Description:FIELD OF THE INVENTION

[0001] The present invention relates to the field of footwear technology, and more particularly, the present invention relates to an antimicrobial insole.
BACKGROUND FOR THE INVENTION:

[0002] The following discussion of the background to the invention is intended to facilitate an understanding of the present invention. However, it should be appreciated that the discussion is not an acknowledgment or admission that any of the material referred to was published, known, or part of the common general knowledge in any jurisdiction as of the priority date of the application. The details provided herein the background if belongs to any publication taken only as a reference for describing the problems, in general terminologies or principles or both of science and technology in the associated prior art.
[0003] In the shoes most important part Insole is used for comfort & safety of feet, Due to hectic lifestyle, people have become prone to using shoes for very longer working hours & after being used again and again becomes soiled due to dirty by sweat, humidity etc. All of these culminate a very ambient environment for germination of several microbes and bacteria such as Staphylococcus aureus (S. aureus), E. coli etc. Most of them are included in the group of those microbes which germinated very easily, when they come in contact with our socks, and feet. Subjective to the purpose for which the insole is being used, end up contaminating

the same. These can be responsible for infections that could be major and minor depending upon the exposure level and immunity which varies, person to person. Dirty or unhygienic insoles can lead to several foot health problems, skin infections including bacterial or fungal infections, skin irritation and unpleasant odors. These can potentially lead to rashes, blisters, or other skin problems.
[0004] Existing technologies only address the issue of foul odor absorption/removal/deodorization etc. by using toxic, health hazardous, harmful, and unsafe for skin & carcinogenic chemicals.
[0005] In light of the foregoing, there is a need for an Antimicrobial insole that overcomes problems prevalent in the prior art. The present invention is a combination of innovative green technology based Herbal Extract formulation and activated carbon Fabric layer/sheet/patches, addresses the above-mentioned issues, majorly focusing on the antimicrobial properties.
OBJECTS OF THE INVENTION:

[0006] Some of the objects of the present disclosure, which at least one embodiment herein satisfies, are as follows.
[0001] The principal object of the present invention is to overcome the disadvantages of the prior art by providing the Antimicrobial insole that offers antibacterial, antifungal properties along with comfortable and odorless shoes.
[0002] Another object of the present invention is to provide an Antimicrobial insole that protects from bacteria, microbes, germ, mold, fungus and Odor to your

feet by not using harmful carcinogens like Silver and Copper.

[0003] Another object of the present invention is to provide the Antimicrobial insole, wherein the construction of the ECP-Shoe insole has multiple layers, such as, EVA or PU, Activated Carbon Fabric (ACF) treated with eco-friendly herbal extracts and breathable fabric.
[0004] Another object of the present invention is to provide an Antimicrobial insole that uses activated carbon fabric treated with an innovative, sustainable herbal extract that does not allow bacteria and fungus to grow and hence also prevents foul odour caused by the degradation of sweat by bacteria and germs.
[0005] Another object of the present invention is to provide an Antimicrobial insole that is based on sustainable Herbal extract Activated Carbon technology.
[0006] Another object of the present invention is to provide an Antimicrobial insole that can be available in the form of a multi-layered sheet that can be attached onto the surface of the insole. The multi-layered insole contains activated carbon fabric treated with an eco-friendly, non-toxic green chemistry based herbal extract (GSE based) antimicrobial formulation in place of unhealthy, Carcinogenic, Silver & Copper based antimicrobial agents & Chemicals. Activated carbon fabric itself is highly surface area & antimicrobial and odor- absorbing in nature and when treated with an antimicrobial formulation it is able to provide a very clear and hygienic environment for feet.
[0007] Other objects and advantages of the present disclosure will be more

apparent from the following description, which is not intended to limit the scope of the present disclosure.
SUMMARY OF THE INVENTION:

[0008] The present invention relates to footwear technology, specifically to enhancing microbe control, antimicrobial, moisture wicking and odor control management properties of insoles. The present invention provides an antimicrobial insole. The principal object of the present invention is to provide an antimicrobial/antibacterial insole which helps the user, getting rid of probable microbial germination and further serious harmful skin infection, fungal infections, and skin irritation that can be caused of the same. Green Technology sustainable, Eco-friendly, Non-toxic, Herbal extract antimicrobial solution treated Activated Carbon Fabric layer of insole construction which has a porous structure & high surface area inexhaustible property to kill bacteria and fungus. Apart from that we also secondarily aim to take care of the foul unbearable odor produced during the process.
[0009] The construction of the antimicrobial insole is harmless. Activated carbon and PU/EVA do not contain any toxic properties and are safe to use on a daily basis. The antimicrobial insole can be washed multiple times as per requirements of the user and is reusable. The antimicrobial insole is meant to provide fresh and hygienic environment in shoes.
[0010] The invention provides the antimicrobial insole having:

- Top Comfort Layer: Made of Cotton Fiber / Fabric moisture-wicking for absorbs sweat & trap moisture.
- Activated Carbon Fabric Layer treated with Herbal Extract: The activated carbon fabric layer treated with eco-friendly, non-toxic, natural antimicrobial and antifungal herbal extracts, offering bioactive protection against foot infections and bacteria growth & also absorbs Odors and capture volatile organic compounds from foot perspiration.
- Breathable Support Layers: Additional foam or cushioning layers made of breathable polyurethane or EVA foam to ensure comfort and airflow.
[0011] This combination of the above layers results in a long-lasting, naturally deodorizing, and antimicrobial insole, which is biodegradable, skin-friendly, and suitable for everyday use.
DETAILED DESCRIPTION OF DRAWINGS:

[0012] While the present invention is described herein by way of example using embodiments and illustrative drawings, those skilled in the art will recognize that the invention is not limited to the embodiments of the drawing or drawings described and are not intended to represent the scale of the various components. Further, some components that may form a part of the invention may not be illustrated in certain figures, for ease of illustration, and such omissions do not limit the embodiments outlined in any way. It should be understood that the drawings and the detailed description thereto are not intended to limit the

invention to the particular form disclosed, but on the contrary, the invention is to cover all modifications, equivalents, and alternatives falling within the scope of the present invention as defined by the appended claim.
[0013] As used throughout this description, the word "may" is used in a permissive sense (i.e. meaning having the potential to), rather than the mandatory sense, (i.e. meaning must). Further, the words "a" or "an" mean "at least one” and the word “plurality” means “one or more” unless otherwise mentioned. Furthermore, the terminology and phraseology used herein are solely used for descriptive purposes and should not be construed as limiting in scope. Language such as "including," "comprising," "having," "containing," or "involving," and variations thereof, is intended to be broad and encompass the subject matter listed thereafter, equivalents, and additional subject matter not recited, and is not intended to exclude other additives, components, integers, or steps. Likewise, the term "comprising" is considered synonymous with the terms "including" or "containing" for applicable legal purposes. Any discussion of documents, acts, materials, devices, articles, and the like are included in the specification solely for the purpose of providing a context for the present invention. It is not suggested or represented that any or all of these matters form part of the prior art base or were common general knowledge in the field relevant to the present invention.
[0014] In this disclosure, whenever a composition or an element or a group of elements is preceded with the transitional phrase “comprising”, it is understood that we also contemplate the same composition, element, or group of elements

with transitional phrases “consisting of”, “consisting”, “selected from the group of consisting of, “including”, or “is” preceding the recitation of the composition, element or group of elements and vice versa.
[0015] The present invention is described hereinafter by various embodiments with reference to the accompanying drawing, wherein reference numerals used in the accompanying drawing correspond to the like elements throughout the description. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiment set forth herein. Rather, the embodiment is provided so that this disclosure will be thorough and complete and will fully convey the scope of the invention to those skilled in the art. In the following detailed description, numeric values and ranges are provided for various aspects of the implementations described. These values and ranges are to be treated as examples only and are not intended to limit the scope of the claims. In addition, several materials are identified as suitable for various facets of the implementations. These materials are to be treated as exemplary and are not intended to limit the scope of the invention.
[0016] The present invention relates to footwear technology, specifically to enhancing microbe control, antimicrobial, moisture wicking and odor control management properties of insoles. The present invention provides an antimicrobial insole. The principal object of the present invention is to provide an antimicrobial/antibacterial insole which helps the user, getting rid of probable microbial germination and further serious harmful skin infection, fungal

infections, and skin irritation that can be caused by the same. Green Technology sustainable, Eco-friendly, Non-toxic, Herbal extract antimicrobial solution treated Activated Carbon Fabric layer of insole construction which have porous structure & high surface area inexhaustible property to kill bacteria and fungus. Apart from that we also secondarily aim to take care of the foul unbearable odor produced during the process.
[0017] The construction of the antimicrobial insole is harmless. Activated carbon and PU/EVA do not contain any toxic properties and are safe to use on a daily basis. The antimicrobial insole can be washed multiple times as per requirement of the user and is reusable. The antimicrobial insole is meant to provide a fresh and hygienic environment in shoes.
[0018] The invention provides an antimicrobial insole having:

- Top Comfort Layer: Made of Cotton Fiber / Fabric, moisture-wicking to absorb sweat & trap moisture.
- Activated Carbon Fabric Layer treated with Herbal Extract: The activated carbon fabric layer treated with eco-friendly, non-toxic, natural antimicrobial and antifungal herbal extracts, offering bioactive protection against foot infections and bacteria growth & also absorbs Odors and capture volatile organic compounds from foot perspiration.
- Breathable Support Layers: Additional foam or cushioning layers made of breathable polyurethane or EVA foam to ensure comfort and airflow.

[0019] This combination of the above layers results in a long-lasting, naturally deodorizing, and antimicrobial insole, which is biodegradable, skin-friendly, and suitable for everyday use.
PROCESS:

[0020] Solution 1:

? Take 170 ml D.I water in a beaker and add 5 gm of PVA into it.

? Mix it well and keep it on stirrer with 500-600 rpm @ 90°c.

? After an hour, add 100 ml of GSE (Grape seed extract) and 25 ml of IPA into it and mix it well till a homogenous mixture is formed.
[0021] Solution 2:

? Take 160 ml of D.I water in a beaker.

? Now add 25 gm of Ascorbic acid and 15 gm of CTAB (Cetyltrimethylammonium bromide) into it and mix it well @ 40°c and 500-600 rpm till it gets completely dissolved.
[0022] Final Solution:

? Now add solution 2 into solution 1 at 40°c and 500-600 rpm for at least half and hour.
? Take desired amount of Activated carbon fabric and immerse in the

prepared soln for 30 min.

? Take it out and exhaust in the air drier oven for 2 hour at 85 °C.

[0023] The primary goal of the present invention is to provide protection from microbial germination by using sustainable herbal extracts in the shoes which may cover various domains such as Everyday Footwear, Regular used Footwear, Athletic Shoes, Orthopedic or diabetic Footwear, Military or industrial work boots & Hospital or nursing Footwear etc. Secondly it also focuses on the foul odor produced inside the Shoe Insole. Hence our product aims to take care of both issues whereas the existing products are only focused on odor absorption.
ADVANTAGES:

- Eco-Friendly: The antimicrobial insole is made from biodegradable, plant-based components with no synthetic biocides or chemicals.
- Extended Efficacy: The antimicrobial insole provides longer-lasting odor control and microbial protection compared to standard deodorizing insoles.
- Non-Irritating: The antimicrobial insole uses skin-safe, natural ingredients without allergens or synthetic chemicals.
- Synergistic Action: The antimicrobial insole combines mechanical odor trapping (activated carbon) with natural biological defense (herbal extracts).

[0024] The disclosure has been described with reference to the accompanying embodiments herein and the various features and advantageous details thereof are explained with reference to the non-limiting embodiments in the following description. Descriptions of well-known components and processing techniques are omitted so as to not unnecessarily obscure the embodiments herein.
[0025] The foregoing description of the specific embodiments so fully revealed the general nature of the embodiments herein that others can, by applying current knowledge, readily modify and/or adapt for various applications such specific embodiments without departing from the generic concept, and, therefore, such adaptations and modifications should and are intended to be comprehended within the meaning and range of equivalents of the disclosed embodiments. It is to be understood that the phraseology or terminology employed herein is for the purpose of description and not of limitation. Therefore, while the embodiments herein have been described in terms of preferred embodiments, those skilled in the art will recognize that the embodiments herein can be practiced with modification within the scope of the embodiments as described herein. , Claims:We Claim:

1) An antimicrobial insole, the antimicrobial insole comprises:

- Top Comfort Layer;

- Activated Carbon Fabric Layer treated with Herbal Extract; and

- Breathable Support Layers.

2) The antimicrobial insole as claimed in claim 1, wherein the Top Comfort Layer is made of Cotton Fiber / Fabric moisture-wicking to absorb sweat & trap moisture.
3) The antimicrobial insole as claimed in claim 1, wherein the Breathable Support Layers include Additional foam or cushioning layers made of breathable polyurethane or EVA foam to ensure comfort and airflow.
4) The antimicrobial insole as claimed in claim 1, wherein the Activated Carbon Fabric Layer treated with Herbal Extract is made using the steps of:
- preparing a first solution by mixing 5 grams of polyvinyl alcohol (PVA) in 170 ml of De-Ionized (D.I.) water, stirring at 500–600 rpm at 90°C, followed by adding 100 ml of grape seed extract (GSE) and 25 ml of isopropyl alcohol (IPA) after 60 minutes to form a homogeneous mixture (the first solution);
- preparing a second solution by adding 25 grams of ascorbic acid and 15 grams of cetyltrimethylammonium bromide (CTAB) and mixing in 160 ml of D.I. water at 40°C by stirring at 500–600 rpm until completely dissolved;

- combining the second solution with the first solution at 40°C under continuous stirring at 500–600 rpm for at least 30 minutes to obtain an antimicrobial formulation;
- immersing an activated carbon fabric in the antimicrobial formulation for approximately 30 minutes;
- drying the soaked activated carbon fabric in a hot air oven at 85°C for about 2 hours to form the Activated Carbon Fabric Layer treated with Herbal Extract.
5) A process for preparing an activated carbon fabric layer treated with herbal extract, the process comprises the steps of:
- preparing a first solution by mixing 5 grams of polyvinyl alcohol (PVA) in 170 ml of De-Ionized (D.I.) water, stirring at 500–600 rpm at 90°C, followed by adding 100 ml of grape seed extract (GSE) and 25 ml of isopropyl alcohol (IPA) after 60 minutes to form a homogeneous mixture (the first solution);
- preparing a second solution by adding 25 grams of ascorbic acid and 15 grams of cetyltrimethylammonium bromide (CTAB) and mixing in 160 ml of D.I. water at 40°C by stirring at 500–600 rpm until completely dissolved;
- combining the second solution with the first solution at 40°C under continuous stirring at 500–600 rpm for at least 30 minutes to obtain an antimicrobial formulation;
- immersing an activated carbon fabric in the antimicrobial formulation for approximately 30 minutes; and
- drying the soaked activated carbon fabric in a hot air oven at 85°C for about 2 hours to form a treated antimicrobial fabric layer.

6) A process for preparing an antimicrobial formulation for an activated carbon fabric layer treated with herbal extract of an antimicrobial insole, the process comprising the steps of:
- preparing a first solution by mixing 5 grams of polyvinyl alcohol (PVA) in 170 ml of De-Ionized (D.I.) water, stirring at 500–600 rpm at 90°C, followed by adding 100 ml of grape seed extract (GSE) and 25 ml of isopropyl alcohol (IPA) after 60 minutes to form a homogeneous mixture (the first solution);
- preparing a second solution by adding 25 grams of ascorbic acid and 15 grams of cetyltrimethylammonium bromide (CTAB) and mixing in 160 ml of D.I. water at 40°C by stirring at 500–600 rpm until completely dissolved; and
- combining the second solution with the first solution at 40°C under continuous stirring at 500–600 rpm for at least 30 minutes to obtain an antimicrobial formulation.