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Malodor Reduction Of Cosmetic Products

Abstract: A method for reducing malodor in a skin care composition comprising the steps of: (a) formulating the skin care composition with a component with a malodor or an 5 ingredient that can degrade to yield a component with a malodor; and (b) including in the skin care composition an insoluble particle and an adsorbable solvent, the component with a malodor being one suitable to hydrogen bond with the insoluble particle and/or be scavanged by the adsorbable solvent in an adsorbable solvent-insoluble particle complex 10 wherein the insoluble particle has a surface area from 75 to 3500 m2/g and the adsorbable solvent has a solubility parameter distance from the component with a malodor, Ra, of less than 20.

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Notices, Deadlines & Correspondence

Patent Information

Application #
Filing Date
17 August 2009
Publication Number
8/2010
Publication Type
INA
Invention Field
CHEMICAL
Status
Email
Parent Application
Patent Number
Legal Status
Grant Date
2017-01-04
Renewal Date

Applicants

HINDUSTAN UNILEVER LIMITED
HINDUSTAN LEVER HOUSE, 165-166 BACKBAY RECLAMATION, MUMBAI 400 020, INDIA

Inventors

1. YANG LIN
CONOPCO INC.,D/B/A UNILEVER, 40 MERRITT BOULEVARD, TRUMBULL, CONNECTICUT 06611, UNITED STATES OF AMERICA.
2. SHAFER GEORGIA
CONOPCO INC.,D/B/A UNILEVER, 40 MERRITT BOULEVARD, TRUMBULL, CONNECTICUT 06611, UNITED STATES OF AMERICA.
3. LIPS ALEXANDER
UNILEVER R&D PORT SUNLIGHT, QUARRY ROAD EAST, BEBINGTON, WIRRAL, MERSEYSIDE CH63 3JW, UNITED KINGDOM.

Specification

FORM - 2 THE PATENTS ACT, 1970 (39 of 1970) & The Patents Rules, 2003 COMPLETE SPECIFICATION (See Section 10 and Rule 13) MALODAR REDUCTION OF COSMETIC PRODUCTS HINDUSTAN UNILEVER LIMITED, a company incorporated under the Indian Companies Act, 1913 and having its registered office at 165/166, Backbay Reclamation, Mumbai -400 020, Maharashtra, India The following specification particularly describes the invention and the manner in which it is to be performed WO 2008/101852 PCT/EP2008/051778 -1 - MALODOR REDUCTION OF COSMETIC PRODUCTS The present invention is directed to a skin care composition and a method for reducing malodor in skin care compositions. More particularly, the invention is directed to skin 5 care compositions comprising an insoluble particle that is suitable to adsorb compounds that have been proven to yield offensively unpleasant odors in compositions, like lotions, creams and body washes. The insoluble particle is preferably used with the adsorbable solvent suitable to be adsorbed on to the insoluble particles whereby compositions that contain an insoluble particle and the adsorbable solvent surprisingly show a reduction in 10 malodor, and especially, a reduction in malodor originating from compounds suitable to, for example, hydrogen bond to the insoluble particle and/or be scavenged by the adsorbable solvent which is part of an adsorbable solvent-insoluble particle complex. Furthermore the compositions of the present invention, which comprise an adsorbable solvent-insoluble particle complex, unexpectedly show a reduction in malodor that is 15 greater than the sum of malodor reduction for compositions that only contain insoluble particle and only contain adsorbable solvent. A wide variety of skin care compositions tend to generate malodors after coming into contact with air, bacteria, skin or combinations of the same for prolonged periods of time. 20 In fact many skin care compositions comprise actives that, for example, oxidize, thereby generating volatile components that result in malodor. Attempts at reducing malodor in skin care compositions have been made. For example, fragrances have been used in skin care compositions to mask malodors. Use of 25 fragrances, however, is not always desirable since many consumers wish to use skin care compositions that are free of fragrances due to various skin sensitivities and allergies. Also, fragrances within a product tend to have a shorter life than the product itself. Therefore malodor masking may not be achieved during an entire product life. 30 There is increasing interest to develop skin care compositions that are free of malodor, and especially, skin care compositions that are free of malodor and that are suitable to yield the characteristic benefit they are known to produce. This invention is directed to a skin care composition comprising insoluble particles and preferably an adsorbable solvent. The skin care compositions made according to this invention are surprisingly 35 free of malodor originating from compounds that, for example, are suitable to hydrogen WO 2008/101852 PCT/EP2008/051778 -2- bond to the insoluble particle and/or are scavenged by the adsorbable solvent in an adsorbable solvent-insoluble particle complex. Efforts have been disclosed for making cosmetic compositions. In WO 93/18130, 5 malodor personal cleansing bars with zeolite are described. Other efforts have been disclosed for making cosmetic compositions. In US 2006/0135385 A1, toilet bar compositions with pyran odor masking agents are described. 10 Still other efforts have been disclosed for making consumer product compositions with reduced odor. In EP 0 063 899 A2, fabric conditioning compositions with aluminum chlorohydrate are described. 15 Further efforts have been disclosed for making cosmetic compositions. In JP 2004290573 A, deodorants having elasticity and flexibility are described whereby the same uses clay as a swelling agent. None of the additional information above describes a skin care composition that has an 20 insoluble particle and adsorbable solvent whereby the composition is free of malodor originating from compounds suitable to, for example, hydrogen bond to the insoluble product and adsorb to the adsorbable solvent in an adsorbable solvent-insoluble particle complex. 25 SUMMARY OF THE INVENTION In a first aspect, the present invention is directed to a method for reducing malodor in a skin care composition comprising the steps of: (a) formulating the skin care composition with a component with a malodor or an ingredient that can degrade to yield a component with a malodor; and 30 (b) including in the skin care composition an insoluble particle and an adsorbable solvent, the component with a malodor being one suitable to hydrogen bond with the insoluble particle and be scavanged by the adsorbable solvent in an adsorbable solvent-insoluble particle complex WO 2008/101852 PCT/EP2008/051778 -3- wherein the insoluble particle has a surface area from 75 to 3500 m2/g and the adsorbable solvent has a solubility parameter distance from the component with the malodor, Ra, of less than 20. 5 In a second aspect, the present invention is directed to a malodor-free skin care composition made according to the method described in the first aspect of this invention. Additional aspects of the present invention will more readily become apparent from the description and examples which follow. 10 Skin, as used herein, is meant to include all skin on the face and body. Skin care composition is meant to mean a composition that may be applied to skin and/or hair as a leave on and/or rinse off composition. Such a skin care composition is not limited with respect to the form it takes and therefore can be, for example, a bar, liquid, gel, stick, roll- 15 on formulation, cream, aerosol or non-aerosol spray, fabric (e.g. non-woven textile) -applied formulation, mousse, lotion, ointment, cosmetic, cosmetic remover, foundation, conditioner or shampoo. The skin care composition is not limited in use and can, for example, lighten, moisturize, clean, nourish, or reduce wrinkles or oil on skin as well as clean, condition or be used to sculpt hair. 20 Ingredients that can degrade to yield a component with malodor, as used herein, is meant to mean any ingredient that is often used in a topical composition like those that provide a benefit to hair or skin when, for example, being topically applied. Component with a malodor is meant to include, for example, heterocompounds like low molecular weight 25 (

Documents

Orders

Section Controller Decision Date

Application Documents

# Name Date
1 1531-MUMNP-2009-FORM 18(26-10-2010).pdf 2010-10-26
1 1531-MUMNP-2009-RELEVANT DOCUMENTS [14-09-2022(online)].pdf 2022-09-14
2 1531-MUMNP-2009-CORRESPONDENCE(26-10-2010).pdf 2010-10-26
2 1531-MUMNP-2009-RELEVANT DOCUMENTS [09-09-2021(online)].pdf 2021-09-09
3 1531-MUMNP-2009-FORM 3(10-12-2013).pdf 2013-12-10
3 1531-mumnp-2009-assignment.pdf 2018-08-10
4 1531-MUMNP-2009-FORM 3(10-11-2014).pdf 2014-11-10
4 1531-MUMNP-2009-CLAIMS(17-8-2009).pdf 2018-08-10
5 1531-MUMNP-2009-CORRESPONDENCE(14-12-2015).pdf 2015-12-14
5 1531-MUMNP-2009-CLAIMS(27-8-2009).pdf 2018-08-10
6 1531-MUMNP-2009_EXAMREPORT.pdf 2018-08-10
6 1531-MUMNP-2009-CLAIMS(AMENDED)-(16-4-2013).pdf 2018-08-10
7 1531-MUMNP-2009-REPLY TO HEARING(8-7-2014).pdf 2018-08-10
7 1531-MUMNP-2009-CLAIMS(AMENDED)-(25-6-2014).pdf 2018-08-10
8 1531-MUMNP-2009-REPLY TO HEARING(25-6-2014).pdf 2018-08-10
8 1531-MUMNP-2009-CLAIMS(GRANTED)-(4-1-2017).pdf 2018-08-10
9 1531-MUMNP-2009-CLAIMS(MARKED COPY)-(16-4-2013).pdf 2018-08-10
9 1531-MUMNP-2009-REPLY TO EXAMINATION REPORT(16-4-2013).pdf 2018-08-10
10 1531-MUMNP-2009-CLAIMS(MARKED COPY)-(25-6-2014).pdf 2018-08-10
10 1531-mumnp-2009-pct-isa-210.pdf 2018-08-10
11 1531-MUMNP-2009-PCT-IPEA-409(27-8-2009).pdf 2018-08-10
12 1531-mumnp-2009-claims.pdf 2018-08-10
12 1531-mumnp-2009-other document.pdf 2018-08-10
13 1531-MUMNP-2009-CORRESPONDENCE(11-9-2013).pdf 2018-08-10
13 1531-MUMNP-2009-OTHER DOCUMENT(8-7-2014).pdf 2018-08-10
14 1531-MUMNP-2009-CORRESPONDENCE(27-8-2009).pdf 2018-08-10
14 1531-MUMNP-2009-OTHER DOCUMENT(16-4-2013).pdf 2018-08-10
15 1531-MUMNP-2009-CORRESPONDENCE(8-6-2015).pdf 2018-08-10
15 1531-MUMNP-2009-Original Under Rule 6(1 A)Form 3-250117.pdf 2018-08-10
16 1531-MUMNP-2009-CORRESPONDENCE(9-9-2009).pdf 2018-08-10
16 1531-mumnp-2009-international publication report a3.pdf 2018-08-10
17 1531-mumnp-2009-international publication report a2.pdf 2018-08-10
17 1531-MUMNP-2009-CORRESPONDENCE(IPO)-(4-1-2017).pdf 2018-08-10
18 1531-MUMNP-2009-GENERAL POWER OF ATTORNEY(9-9-2009).pdf 2018-08-10
18 1531-MUMNP-2009-CORRESPONDENCE(IPO)-(FER)-(8-11-2012).pdf 2018-08-10
19 1531-MUMNP-2009-CORRESPONDENCE(IPO)-(HEARING NOTICE)-(12-5-2014).pdf 2018-08-10
19 1531-MUMNP-2009-GENERAL POWER OF ATTORNEY(16-4-2013).pdf 2018-08-10
20 1531-MUMNP-2009-Correspondence-010916.pdf 2018-08-10
20 1531-mumnp-2009-form 5.pdf 2018-08-10
21 1531-MUMNP-2009-Correspondence-090216.pdf 2018-08-10
21 1531-mumnp-2009-form 3.pdf 2018-08-10
22 1531-MUMNP-2009-Correspondence-130315.pdf 2018-08-10
22 1531-MUMNP-2009-Form 3-190316.pdf 2018-08-10
23 1531-MUMNP-2009-Correspondence-140815.pdf 2018-08-10
23 1531-MUMNP-2009-Form 3-120816.pdf 2018-08-10
24 1531-MUMNP-2009-Correspondence-191214.pdf 2018-08-10
24 1531-MUMNP-2009-Form 3-081015.pdf 2018-08-10
25 1531-mumnp-2009-correspondence.pdf 2018-08-10
25 1531-MUMNP-2009-FORM 3(8-8-2012).pdf 2018-08-10
26 1531-MUMNP-2009-FORM 3(4-8-2010).pdf 2018-08-10
27 1531-mumnp-2009-description(complete).pdf 2018-08-10
27 1531-MUMNP-2009-FORM 3(25-4-2015).pdf 2018-08-10
28 1531-MUMNP-2009-DESCRIPTION(GRANTED)-(4-1-2017).pdf 2018-08-10
28 1531-MUMNP-2009-FORM 3(24-2-2010).pdf 2018-08-10
29 1531-mumnp-2009-form 1.pdf 2018-08-10
29 1531-MUMNP-2009-FORM 3(23-1-2013).pdf 2018-08-10
30 1531-MUMNP-2009-FORM 13(9-2-2012).pdf 2018-08-10
30 1531-MUMNP-2009-FORM 3(22-6-2013).pdf 2018-08-10
31 1531-MUMNP-2009-FORM 2 (TITLE PAGE)-(GRANTED)-(4-1-2017).pdf 2018-08-10
31 1531-MUMNP-2009-FORM 3(22-5-2014).pdf 2018-08-10
32 1531-MUMNP-2009-FORM 2(GRANTED)-(4-1-2017).pdf 2018-08-10
32 1531-MUMNP-2009-FORM 3(15-2-2012).pdf 2018-08-10
33 1531-mumnp-2009-form 2(title page).pdf 2018-08-10
33 1531-MUMNP-2009-FORM 3(15-2-2011).pdf 2018-08-10
34 1531-MUMNP-2009-FORM 3(12-8-2011).pdf 2018-08-10
35 1531-mumnp-2009-form 2.pdf 2018-08-10
36 1531-MUMNP-2009-FORM 3(12-8-2011).pdf 2018-08-10
37 1531-mumnp-2009-form 2(title page).pdf 2018-08-10
37 1531-MUMNP-2009-FORM 3(15-2-2011).pdf 2018-08-10
38 1531-MUMNP-2009-FORM 2(GRANTED)-(4-1-2017).pdf 2018-08-10
38 1531-MUMNP-2009-FORM 3(15-2-2012).pdf 2018-08-10
39 1531-MUMNP-2009-FORM 3(22-5-2014).pdf 2018-08-10
39 1531-MUMNP-2009-FORM 2 (TITLE PAGE)-(GRANTED)-(4-1-2017).pdf 2018-08-10
40 1531-MUMNP-2009-FORM 13(9-2-2012).pdf 2018-08-10
40 1531-MUMNP-2009-FORM 3(22-6-2013).pdf 2018-08-10
41 1531-mumnp-2009-form 1.pdf 2018-08-10
41 1531-MUMNP-2009-FORM 3(23-1-2013).pdf 2018-08-10
42 1531-MUMNP-2009-DESCRIPTION(GRANTED)-(4-1-2017).pdf 2018-08-10
42 1531-MUMNP-2009-FORM 3(24-2-2010).pdf 2018-08-10
43 1531-mumnp-2009-description(complete).pdf 2018-08-10
43 1531-MUMNP-2009-FORM 3(25-4-2015).pdf 2018-08-10
44 1531-MUMNP-2009-FORM 3(4-8-2010).pdf 2018-08-10
45 1531-mumnp-2009-correspondence.pdf 2018-08-10
45 1531-MUMNP-2009-FORM 3(8-8-2012).pdf 2018-08-10
46 1531-MUMNP-2009-Correspondence-191214.pdf 2018-08-10
46 1531-MUMNP-2009-Form 3-081015.pdf 2018-08-10
47 1531-MUMNP-2009-Correspondence-140815.pdf 2018-08-10
47 1531-MUMNP-2009-Form 3-120816.pdf 2018-08-10
48 1531-MUMNP-2009-Form 3-190316.pdf 2018-08-10
48 1531-MUMNP-2009-Correspondence-130315.pdf 2018-08-10
49 1531-mumnp-2009-form 3.pdf 2018-08-10
49 1531-MUMNP-2009-Correspondence-090216.pdf 2018-08-10
50 1531-MUMNP-2009-Correspondence-010916.pdf 2018-08-10
50 1531-mumnp-2009-form 5.pdf 2018-08-10
51 1531-MUMNP-2009-CORRESPONDENCE(IPO)-(HEARING NOTICE)-(12-5-2014).pdf 2018-08-10
51 1531-MUMNP-2009-GENERAL POWER OF ATTORNEY(16-4-2013).pdf 2018-08-10
52 1531-MUMNP-2009-CORRESPONDENCE(IPO)-(FER)-(8-11-2012).pdf 2018-08-10
52 1531-MUMNP-2009-GENERAL POWER OF ATTORNEY(9-9-2009).pdf 2018-08-10
53 1531-MUMNP-2009-CORRESPONDENCE(IPO)-(4-1-2017).pdf 2018-08-10
53 1531-mumnp-2009-international publication report a2.pdf 2018-08-10
54 1531-MUMNP-2009-CORRESPONDENCE(9-9-2009).pdf 2018-08-10
54 1531-mumnp-2009-international publication report a3.pdf 2018-08-10
55 1531-MUMNP-2009-CORRESPONDENCE(8-6-2015).pdf 2018-08-10
55 1531-MUMNP-2009-Original Under Rule 6(1 A)Form 3-250117.pdf 2018-08-10
56 1531-MUMNP-2009-OTHER DOCUMENT(16-4-2013).pdf 2018-08-10
56 1531-MUMNP-2009-CORRESPONDENCE(27-8-2009).pdf 2018-08-10
57 1531-MUMNP-2009-CORRESPONDENCE(11-9-2013).pdf 2018-08-10
57 1531-MUMNP-2009-OTHER DOCUMENT(8-7-2014).pdf 2018-08-10
58 1531-mumnp-2009-claims.pdf 2018-08-10
58 1531-mumnp-2009-other document.pdf 2018-08-10
59 1531-MUMNP-2009-PCT-IPEA-409(27-8-2009).pdf 2018-08-10
60 1531-MUMNP-2009-CLAIMS(MARKED COPY)-(25-6-2014).pdf 2018-08-10
60 1531-mumnp-2009-pct-isa-210.pdf 2018-08-10
61 1531-MUMNP-2009-CLAIMS(MARKED COPY)-(16-4-2013).pdf 2018-08-10
61 1531-MUMNP-2009-REPLY TO EXAMINATION REPORT(16-4-2013).pdf 2018-08-10
62 1531-MUMNP-2009-CLAIMS(GRANTED)-(4-1-2017).pdf 2018-08-10
62 1531-MUMNP-2009-REPLY TO HEARING(25-6-2014).pdf 2018-08-10
63 1531-MUMNP-2009-CLAIMS(AMENDED)-(25-6-2014).pdf 2018-08-10
63 1531-MUMNP-2009-REPLY TO HEARING(8-7-2014).pdf 2018-08-10
64 1531-MUMNP-2009_EXAMREPORT.pdf 2018-08-10
64 1531-MUMNP-2009-CLAIMS(AMENDED)-(16-4-2013).pdf 2018-08-10
65 1531-MUMNP-2009-CORRESPONDENCE(14-12-2015).pdf 2015-12-14
65 1531-MUMNP-2009-CLAIMS(27-8-2009).pdf 2018-08-10
66 1531-MUMNP-2009-FORM 3(10-11-2014).pdf 2014-11-10
66 1531-MUMNP-2009-CLAIMS(17-8-2009).pdf 2018-08-10
67 1531-mumnp-2009-assignment.pdf 2018-08-10
67 1531-MUMNP-2009-FORM 3(10-12-2013).pdf 2013-12-10
68 1531-MUMNP-2009-CORRESPONDENCE(26-10-2010).pdf 2010-10-26
68 1531-MUMNP-2009-RELEVANT DOCUMENTS [09-09-2021(online)].pdf 2021-09-09
69 1531-MUMNP-2009-FORM 18(26-10-2010).pdf 2010-10-26
69 1531-MUMNP-2009-RELEVANT DOCUMENTS [14-09-2022(online)].pdf 2022-09-14

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