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Personal Cleansing Composition Comprising Mild Surfactant And Soap

Abstract: ABSTRACT Personal cleansing composition comprising mild surfactant and soap The present invention relates to cleansing compositions that that are mild and gentle to the skin. In particular, the invention relates to liquid soaps, bodywash liquids and soap bars with pH from 6 to 8. Disclosed is a personal cleansing composition comprising 10 to 80 wt% total surfactant content comprising lauroyl isethionate and soap, where ratio of lauroyl isethionate to soap is 1:0.1 to 1:1 parts by weight, and where the soap consists of water-soluble soap and waterinsoluble soap, wherein, ratio of water-soluble soap to the water-insoluble soap is 1:0.4 to 1:1.4 parts by weight. A balance between the total non-soap surfactant and total soap in the composition, as well as between the soluble and the insoluble soap in the total soap, makes the compositions milder (with pH 6 to 8) and with an appreciable foam, even with hard water

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Notices, Deadlines & Correspondence

Patent Information

Application #
Filing Date
30 March 2024
Publication Number
40/2025
Publication Type
INA
Invention Field
CHEMICAL
Status
Email
Parent Application

Applicants

Reliance Consumer Products Limited
Floor-4, Plot-298/302, Court House Lokmanya Tilak Marg, Kalbadevi, Mumbai 400002, Maharashtra

Inventors

1. KADAPURATH Vadakkeveetil Sarina
220, 1st A Main, KHB Colony SFS 407 Yelahanka New Town, Bengaluru, Karnataka 560064, India
2. KOTTUKAPALLY Jiji Paul
B202, Golden Star Apartment, Hoodi, Bengaluru 560048, Karnataka, India
3. MANDWE Santosh Komaldas
Plot No. 42, Rameshwari Ring Road, Anand Bouddha Vihar Mage, Dhadiwal Layout, Parvati Nagar, Nagpur, Maharashtra 440027, India
4. SAHA Aditya
A 305, HB Town, VTC Panihatti (M), Sodepur, North 24 Parganas, West Bengal 700110, India

Specification

I/WE CLAIM
1) A personal cleansing composition comprising 10 to 80 wt% total surfactant content
comprising lauroyl isethionate and soap, where ratio of lauroyl isethionate to soap is
1:0.1 to 1:1 parts by weight, and where the soap consists of water-soluble soap and
water-insoluble soap,
wherein,
ratio of water-soluble soap to the water-insoluble soap is 1:0.4 to 1:1.4 parts by weight.
2) A personal cleansing composition as claimed in claim 1, wherein said composition
comprises 20 to 80 wt% total surfactant content comprising said lauroyl isethionate and
soap.
3) A personal cleansing composition as claimed in claim 1 or 2, wherein said ratio of watersoluble soap to the water-insoluble soap is 1:0.6 to 1:1.4 parts by weight.
4) A personal cleansing composition as claimed in any of claims 1 to 3, wherein said
composition comprises sodium cococyl isethionate.
5) A personal cleansing composition as claimed in any of claims 1 to 4, wherein solubility
of said water-soluble soap is equal to or greater than that of 82/18 tallow/coconut soap,
whose solubility is 1.1 g/litre at 40°C.
6) A personal cleansing composition as claimed in claim 5, wherein said water-soluble
soap is an alkali metal salt of C8 to C24 fatty acids.
7) A personal cleansing composition as claimed in any of claims 1 to 6, wherein solubility
of said water-insoluble soap is less than 1.1 g/litre at 40°C.
8) A personal cleansing composition as claimed in claim 7, wherein said water-insoluble
soap is an alkaline earth metal salt of C8 to C24 fatty acids.
9) A personal cleansing composition as claimed in any of claims 1 to 8, wherein said
composition is aqueous and the total surfactant content is 10 to 25 wt%.
10) A personal cleansing composition as claimed in any of claims 1 to 8, wherein said
composition is non-aqueous and the total surfactant content is 20 to 80 wt%.
13
11) A personal cleansing composition as claimed in claim 10, wherein said composition is in
the form of a bar a

Documents

Application Documents

# Name Date
1 202421026690-STATEMENT OF UNDERTAKING (FORM 3) [30-03-2024(online)].pdf 2024-03-30
2 202421026690-PROVISIONAL SPECIFICATION [30-03-2024(online)].pdf 2024-03-30
3 202421026690-POWER OF AUTHORITY [30-03-2024(online)].pdf 2024-03-30
4 202421026690-FORM 1 [30-03-2024(online)].pdf 2024-03-30
5 202421026690-DECLARATION OF INVENTORSHIP (FORM 5) [30-03-2024(online)].pdf 2024-03-30
6 202421026690-Proof of Right [28-05-2024(online)].pdf 2024-05-28
7 202421026690-Power of Attorney [27-03-2025(online)].pdf 2025-03-27
8 202421026690-FORM 18 [27-03-2025(online)].pdf 2025-03-27
9 202421026690-Form 1 (Submitted on date of filing) [27-03-2025(online)].pdf 2025-03-27
10 202421026690-Covering Letter [27-03-2025(online)].pdf 2025-03-27
11 202421026690-CORRESPONDENCE-OTHERS [27-03-2025(online)].pdf 2025-03-27
12 202421026690-COMPLETE SPECIFICATION [27-03-2025(online)].pdf 2025-03-27
13 202421026690-FORM-26 [25-06-2025(online)].pdf 2025-06-25