US6136884A
Expired / Lapsed
US
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Hair care compositions
Assignee: Eastman Chemical Co
•
Filing: 1998-01-30
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Granted: 2000-10-24
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Expires: 2018-01-30
Abstract
Abstract A latex composition for hair care containing a hybrid-graft copolymer of a sulfopolyester and an acid-functional polymer segment. The acid-functional polymer segment is formed from at least one acid-functional monomer, at least one ethylenically unsaturated monomer, and at least one amide-containing monomer. Such compositions exhibit superior curl retention even at high humidity.
Inventors
- 👤 Robert Gow-Sheng Chen
- 👤 Phillip Michael Cook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:25
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/72; A61K8/91; A61K8/84; A61K8/85; A61Q; A61Q5/00; A61Q5/06; C; C08; C08G; C08G63/00; C08G63/91; C08G63/914; C08G63/916; C08G63/68; C08G63/688; C08G63/6884; C08G63/6886; Y; Y10; Y10S; Y10S525/00; Y10S525/902
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
192 words
A latex composition for hair care comprising a hybrid-graft copolymer comprising: (A) about 2 to about 90 wt %, based on the total hybrid-graft copolymer weight, of a sulfopolyester comprising a condensation polymerization product of: (1) about 15 to about 26 mol % dimethyl-5-sodiosulfoisophthalate based on 100 mol % dicarboxylic acid; (2) about 60 to about 80 mol % isophthalic acid based on 100 mol % dicarboxylic acid; (3) about 10 to about 30 mol % of 1,4-cyclohexanedimethanol based on 100 mol % of diol; and (4) about 70 to about 90 mol % diethylene glycol based on 100 mol % of diol; and (B) about 10 to about 98 wt %, based on the total hybrid-graft copolymer weight, of an acid-functional polymer segment comprising: (1) about 15 to about 50 wt %, based on the total weight of the acid-functional polymer segment, of an acid-functional monomer; (2) about 10 to about 80 wt %, based on the total weight of the acid-functional polymer segment, of an ethylenically unsaturated monomer; and (3) up to about 40 wt %, based on the total weight of the acid-functional polymer segment, of an amide-functional monomer.
Claim 2
Dependent Claim
192 words
A latex composition for hair care comprising a hybrid-graft copolymer comprising: (A) about 2 to about 90 wt %, based on the total hybrid-graft copolymer weight, of a sulfopolyester comprising a condensation polymerization product of: (1) about 15 to about 26 mol % dimethyl-5-sodiosulfoisophthalate based on 100 mol % dicarboxylic acid; (2) about 60 to about 80 mol % isophthalic acid based on 100 mol % dicarboxylic acid; (3) about 10 to about 30 mol % of 1,4-cyclohexanedimethanol based on 100 mol % of diol; and (4) about 70 to about 90 mol % diethylene glycol based on 100 mol % of diol; and (B) about 10 to about 98 wt %, based on the total hybrid-graft copolymer weight, of an acid-functional polymer segment comprising: (1) about 15 to about 50 wt %, based on the total weight of the acid-functional polymer segment, of an acid-functional monomer; (2) about 10 to about 80 wt %, based on the total weight of the acid-functional polymer segment, of an ethylenically unsaturated monomer; and (3) up to about 40 wt %, based on the total weight of the acid-functional polymer segment, of an amide-functional monomer.
Claim 3
Dependent Claim
84 words
A latex composition of claim 1, wherein said sulfopolyester (A) comprises a condensation polymerization product of: (1) about 15 to about 26 mol % dimethyl-5-sodiosulfoisophthalate based on 100 mol % dicarboxylic acid; (2) about 60 to about 80 mol % isophthalic acid based on 100 mol % dicarboxylic acid; (3) about 10 to about 30 mol % of 1,4-cyclohexanedimethanol based on 100 mol % of diol; and (4) about 70 to about 90 mol % diethylene glycol based on 100 mol % of diol.
Claim 4
Dependent Claim
43 words
A latex composition of claim 1, wherein said sulfopolyester (A) is present in an amount of from about 10 to about 80 wt % and said acid-functional polymer segment is present in an amount of from about 20 to about 90 wt %.
Claim 5
Dependent Claim
43 words
A latex composition of claim 1, wherein said sulfopolyester (A) is present in an amount of from about 20 to about 70 wt % and said acid-functional polymer segment is present in an amount of from about 30 to about 80 wt %.
Claim 6
Dependent Claim
63 words
A latex composition of claim 1, wherein said acid-functional monomer (1) is present in an amount of from about 20 to about 50 wt %, said ethylenically unsaturated monomer (2) is present in an amount of from about 20 to about 60 wt %, and said amide-functional monomer (3) is present in an amount of from about 4 to about 25 wt %.
Claim 7
Dependent Claim
25 words
A latex composition of claim 5, wherein said acid-functional monomer (1) is present in an amount of from about 25 to about 40 wt %.
Claim 8
Dependent Claim
72 words
A latex composition of claim 1, wherein said acid-functional monomer (1) is selected from the group consisting of methacrylic acid, itaconic acid, acrylic acid and mixtures thereof; said ethylenically unsaturated monomer (2) is selected from the group consisting of methyl (meth)acrylate, ethyl (meth)acrylate, butyl (meth)acrylate, 2-ethylhexyl (meth)acrylate, 2-hydroxyethyl (meth)acrylate, styrene and mixtures thereof; and said amide-functional monomer (3) is selected from the group consisting of N-t-butyl acrylamide, N-octyl acrylamide, and mixtures thereof.
Claim 9
Dependent Claim
36 words
A latex composition of claim 1, wherein said sulfopolyester has a weight average molecular weight (Mw) of from about 4,000 to about 20,000 and a glass transition temperature (Tg) of about 15 to about 60° C.
Claim 10
Dependent Claim
38 words
A latex composition of claim 1, wherein said hybrid-graft copolymer has a weight average molecular weight (Mw) of from about 15,000 to about 250,000 and a glass transition temperature (Tg) of from about 15 to about 130° C.
Claim 11
Dependent Claim
38 words
A latex composition of claim 9, wherein said hybrid-graft copolymer has a weight average molecular weight (Mw) of from about 20,000 to about 200,000 and a glass transition temperature (Tg) of from about 25 to about 55° C.
Claim 12
Dependent Claim
23 words
A latex composition of claim 1, wherein said latex composition is neutralized and has a pH ranging from about 6.0 to about 9.5.
Claim 13
Dependent Claim
226 words
A latex composition for hair care comprising a hybrid-graft copolymer comprising: (A) about 5 to about 80 wt %, based on the total hybrid-graft copolymer weight, of a sulfopolyester, (B) about 15 to about 55 wt %, based on the total hybrid-graft copolymer weight, of a first acid-functional polymer segment, comprising: (1) about 15 to about 50 wt %, based on the total amount of the first acid-functional polymer segment, of an acid-functional monomer, (2) about 10 to about 80 wt %, based on the total amount of the first acid-functional polymer segment, of an ethylenically unsaturated monomer; and (3) up to about 40 wt %, based on the total amount of the first acid-functional polymer segment, of an amide-functional monomer; (C) about 5 to about 40 wt %, based on the total hybrid-graft copolymer weight of a second acid-functional polymer segment comprising: (1) about 15 to about 50 wt %, based on the total amount of the second acid-functional polymer segment, of an acid-functional monomer, (2) about 10 to about 80 wt %, based on the total amount of the second acid-functional polymer segment, of an ethylenically unsaturated monomer; and (3) up to about 40 wt %, based on the total of the second acid-functional polymer segment, of an amide-functional monomer; and wherein said first and second acid-functional polymer segments have different glass transition temperatures.
Claim 14
Dependent Claim
226 words
A latex composition for hair care comprising a hybrid-graft copolymer comprising: (A) about 5 to about 80 wt %, based on the total hybrid-graft copolymer weight, of a sulfopolyester, (B) about 15 to about 55 wt %, based on the total hybrid-graft copolymer weight, of a first acid-functional polymer segment, comprising: (1) about 15 to about 50 wt %, based on the total amount of the first acid-functional polymer segment, of an acid-functional monomer, (2) about 10 to about 80 wt %, based on the total amount of the first acid-functional polymer segment, of an ethylenically unsaturated monomer; and (3) up to about 40 wt %, based on the total amount of the first acid-functional polymer segment, of an amide-functional monomer; (C) about 5 to about 40 wt %, based on the total hybrid-graft copolymer weight of a second acid-functional polymer segment comprising: (1) about 15 to about 50 wt %, based on the total amount of the second acid-functional polymer segment, of an acid-functional monomer, (2) about 10 to about 80 wt %, based on the total amount of the second acid-functional polymer segment, of an ethylenically unsaturated monomer; and (3) up to about 40 wt %, based on the total of the second acid-functional polymer segment, of an amide-functional monomer; and wherein said first and second acid-functional polymer segments have different glass transition temperatures.
Claim 15
Dependent Claim
84 words
A latex composition of claim 12, wherein said sulfopolyester (A) comprises a condensation polymerization product of: (1) about 15 to about 26 mol % dimethyl-5-sodiosulfoisophthalate based on 100 mol % dicarboxylic acid; (2) about 60 to about 80 mol % isophthalic acid based on 100 mol % dicarboxylic acid; (3) about 10 to about 30 mol % of 1,4-cyclohexanedimethanol based on 100 mol % of diol; and (4) about 70 to about 90 mol % diethylene glycol based on 100 mol % of diol.
Claim 16
Dependent Claim
22 words
A latex composition of claim 12, wherein said first acid-functional polymer segment has a higher Tg than said second acid-functional polymer segment.
Claim 17
Dependent Claim
46 words
A latex composition of claim 12, wherein said first acid-functional polymer segment has a glass transition temperature (Tg) of from about 40 to about 80° C., and said second acid-functional polymer segment has a glass transition temperature (Tg) of from about 20 to about 50° C.
Claim 18
Dependent Claim
23 words
A latex composition of claim 12, wherein said latex composition is neutralized and has a pH ranging from about 6.0 to about 9.5.
Claim 19
Independent Claim
306 words
A method for the preparation of a hybrid-graft copolymer composition, comprising the steps of: (A) forming an aqueous dispersion of a sulfopolyester; (B) polymerizing in the presence of said aqueous dispersion a first monomer mixture to form a first acid-functional polymer segment, said first monomer mixture comprising: (1) about 15 to about 50 wt %, based on the total amount of the first acid-functional polymer segment, of an acid-functional monomer, (2) about 10 to about 80 wt %, based on the total amount of the first acid-functional polymer segment, of an ethylenically unsaturated monomer; and (3) up to about 40 wt %, based on the total of the first acid-functional polymer segment, of an amide-functional monomer; and (C) polymerizing sequentially a second monomer mixture to form a second acid-functional polymer segment, said second monomer mixture comprising; (1) about 15 to about 50 wt %, based on the total amount of the second acid-functional polymer segment, of an acid-functional monomer, (2) about 10 to about 80 wt % based on the total amount of the second acid-functional polymer segment, of an ethylenically unsaturated monomer; and (3) up to about 40 wt %, based on the total of the second acid-functional polymer segment, of an amide-functional monomer; and (D) optionally, isolating said hybrid graft copolymer composition; wherein the amount of said sulfopolyester is from about 5 to about 80 wt %, based on the total amount of said hybrid-graft copolymer; the amount of said first acid-functional polymer is from about 15 to about 55 wt %, based on the total amount of said hybrid-graft copolymer; and wherein the amount of said second acid-functional polymer is from about 5 to about 40 wt %, based on the total amount of said hybrid-graft copolymer; and wherein said first and said second acid-functional polymer segments have different glass transition temperatures (Tg).
Claim 20
Independent Claim
306 words
A method for the preparation of a hybrid-graft copolymer composition, comprising the steps of: (A) forming an aqueous dispersion of a sulfopolyester; (B) polymerizing in the presence of said aqueous dispersion a first monomer mixture to form a first acid-functional polymer segment, said first monomer mixture comprising: (1) about 15 to about 50 wt %, based on the total amount of the first acid-functional polymer segment, of an acid-functional monomer, (2) about 10 to about 80 wt %, based on the total amount of the first acid-functional polymer segment, of an ethylenically unsaturated monomer; and (3) up to about 40 wt %, based on the total of the first acid-functional polymer segment, of an amide-functional monomer; and (C) polymerizing sequentially a second monomer mixture to form a second acid-functional polymer segment, said second monomer mixture comprising; (1) about 15 to about 50 wt %, based on the total amount of the second acid-functional polymer segment, of an acid-functional monomer, (2) about 10 to about 80 wt % based on the total amount of the second acid-functional polymer segment, of an ethylenically unsaturated monomer; and (3) up to about 40 wt %, based on the total of the second acid-functional polymer segment, of an amide-functional monomer; and (D) optionally, isolating said hybrid graft copolymer composition; wherein the amount of said sulfopolyester is from about 5 to about 80 wt %, based on the total amount of said hybrid-graft copolymer; the amount of said first acid-functional polymer is from about 15 to about 55 wt %, based on the total amount of said hybrid-graft copolymer; and wherein the amount of said second acid-functional polymer is from about 5 to about 40 wt %, based on the total amount of said hybrid-graft copolymer; and wherein said first and said second acid-functional polymer segments have different glass transition temperatures (Tg).
Claim 21
Dependent Claim
83 words
A method of claim 17, wherein said sulfopolyester (A) comprises a condensation polymerization product of: (1) about 15 to about 26 mol % dimethyl-5-sodiosulfoisophthalate based on 100 mol % dicarboxylic acid; (2) about 60 to about 80 mol % isophthalic acid based on 100 mol % dicarboxylic acid; (3) about 10 to about 30 mol % of 1,4-cyclohexanedimethanol based on 100 mol % of diol; and (4) about 70 to about 90 mol % diethylene glycol based on 100 mol % of diol.
Claim 22
Dependent Claim
45 words
A method of claim 17, wherein said first acid-functional polymer segment has a glass transition temperature (Tg) of from about 40 to about 80° C., and said second acid-functional polymers segment has a glass transition temperature (Tg) of from about 20 to about 50° C.
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| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 2003-10-24 | 2004-04-24 | 2004-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2007-10-24 | 2008-04-24 | 2008-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2011-10-24 | 2012-04-24 | 2012-10-24 | $7700.00 | Window Closed / Lapsed |