Patent US4168061A successfully refreshed from Google Patents.
US4659802A
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Cationic compounds having clay soil removal/anti-redeposition properties useful in detergent compositions
Assignee: Procter and Gamble Co
•
Filing: 1983-11-22
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Granted: 1987-04-21
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Expires: 2003-11-22
Abstract
Abstract Water-soluble cationic compounds having clay soil removal/anti-redeposition properties. The cationic compounds are selected from ethoxylated cationic diamines, ethoxylated cationic polyamines, ethoxylated cationic polymers and mixtures thereof. These cationic compounds are useful in detergent compositions.
Inventors
- 👤 Donn N. Rubingh
- 👤 Eugene P. Gosselink
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:50
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/37; C11D3/3703; C11D3/3723; C08; C08G; C08G65/00; C08G65/02; C08G65/26; C08G65/2618; C08G65/2621; C08G65/2624; C11D1/00; C11D1/38; C11D1/40; C11D1/62
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
354 words
A water-soluble cationic compound having clay soil removal/anti-redeposition properties selected from the group consisting of: (1) ethoxylated cationic diamines having formulas A, C, or D: ##STR24## (2) ethoxylated cationic polyamines having the formula: ##STR25## and (3) mixtures thereof, wherein A 1 is ##STR26## or --O--; R is H or C 1 -C 4 alkyl or hydroxyalkyl; R 1 is C 2 -C 12 alkylene, hydroxyalkylene, alkenylene, arylene, or alkarylene; each R 2 is C 1 -C 8 alkyl or hydroxyalkyl, benzyl, or the moiety --L--X; each R 3 is C 1 -C 4 alkyl or hydroxyalkyl, the moiety --L--X, or two R 3 or one R 2 and R 3 together form the moiety --(CH 2 ) r --A 2 (CH 2 ) s --, wherein A 2 is --O-- or --CH 2 --, r is 1 or 2, s is 1 or 2 and r+s is 3 or 4; R 4 is a substituted C 3 -C 12 alkyl, hydroxyalkyl, alkenyl, aryl or alkaryl group having p substitution sites; R 5 is C 1 -C 12 alkylene, hydroxyalkylene, alkenylene, arylene or alkarylene, or a C 2 -C 3 oxyalkylene moiety having from 2 to about 20 oxyalkylene units provided that no O--O or O--N bonds are formed; M 1 is an N + or N group; each M 2 is an N + or N group and at least one M 2 is an N + group; X is a nonionic group selected from the group consisting of H, C 1 -C 4 alkyl or hydroxyalkyl ester or ether groups, and mixtures thereof; L is a hydrophilic chain which consists entirely of the moiety --(CH 2 CH 2 O) n --; d is 1 when M 1 or M 2 is an N + group and is 0 when M 1 or M 2 is an N group; for said cationic diamines, n is at least about 6; for said cationic polyamines, n is at least about 3; p is from 3 to 8; q is 1 or 0, t is 1 or 0, provided that t is 1 when q is 1.
Claim 2
Dependent Claim
354 words
A water-soluble cationic compound having clay soil removal/anti-redeposition properties selected from the group consisting of: (1) ethoxylated cationic diamines having formulas A, C, or D: ##STR24## (2) ethoxylated cationic polyamines having the formula: ##STR25## and (3) mixtures thereof, wherein A 1 is ##STR26## or --O--; R is H or C 1 -C 4 alkyl or hydroxyalkyl; R 1 is C 2 -C 12 alkylene, hydroxyalkylene, alkenylene, arylene, or alkarylene; each R 2 is C 1 -C 8 alkyl or hydroxyalkyl, benzyl, or the moiety --L--X; each R 3 is C 1 -C 4 alkyl or hydroxyalkyl, the moiety --L--X, or two R 3 or one R 2 and R 3 together form the moiety --(CH 2 ) r --A 2 (CH 2 ) s --, wherein A 2 is --O-- or --CH 2 --, r is 1 or 2, s is 1 or 2 and r+s is 3 or 4; R 4 is a substituted C 3 -C 12 alkyl, hydroxyalkyl, alkenyl, aryl or alkaryl group having p substitution sites; R 5 is C 1 -C 12 alkylene, hydroxyalkylene, alkenylene, arylene or alkarylene, or a C 2 -C 3 oxyalkylene moiety having from 2 to about 20 oxyalkylene units provided that no O--O or O--N bonds are formed; M 1 is an N + or N group; each M 2 is an N + or N group and at least one M 2 is an N + group; X is a nonionic group selected from the group consisting of H, C 1 -C 4 alkyl or hydroxyalkyl ester or ether groups, and mixtures thereof; L is a hydrophilic chain which consists entirely of the moiety --(CH 2 CH 2 O) n --; d is 1 when M 1 or M 2 is an N + group and is 0 when M 1 or M 2 is an N group; for said cationic diamines, n is at least about 6; for said cationic polyamines, n is at least about 3; p is from 3 to 8; q is 1 or 0, t is 1 or 0, provided that t is 1 when q is 1.
Claim 3
Dependent Claim
15 words
A compound according to claim 1 wherein R 1 is C 2 -C 6 alkylene.
Claim 4
Dependent Claim
11 words
A compound according to claim 2 wherein R 1 is hexamethylene.
Claim 5
Dependent Claim
28 words
A compound according to claim 2 wherein each R 2 is C 1 -C 4 alkyl or hydroxyalkyl and each R 3 is methyl or the moiety --L--X.
Claim 6
Dependent Claim
10 words
A compound according to claim 4 wherein X is H.
Claim 7
Dependent Claim
18 words
A compound according to claim 5 which is an ethoxylated cationic diamine and wherein R 2 is methyl.
Claim 8
Dependent Claim
18 words
A compound according to claim 6 wherein M 1 and each M 2 are an N + group.
Claim 9
Dependent Claim
13 words
A compound according to claim 7 wherein n is at least about 12.
Claim 10
Dependent Claim
12 words
A compound according to claim 1 which is an ethoxylated cationic polyamine.
Claim 11
Dependent Claim
31 words
A compound according to claim 9 wherein R 4 is a substituted C 3 -C 6 alkyl, hydroxyalkyl or aryl group; A 1 is ##STR27## p is from 3 to 6.
Claim 12
Dependent Claim
15 words
A compound according to claim 10 wherein each M 2 is an N + group.
Claim 13
Dependent Claim
13 words
A compound according to claim 11 wherein n is at least about 12.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-04-20 | 1990-10-20 | 1991-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-04-20 | 1994-10-20 | 1995-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-04-20 | 1998-10-20 | 1999-04-21 | $7700.00 | Window Closed / Lapsed |