Patent US4879051A successfully refreshed from Google Patents.
US4879051A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of boosting foam in low sudsing detergents with zwitterionic polysiloxane
Assignee: Dow Silicones Corp
•
Filing: 1988-08-08
•
Granted: 1989-11-07
•
Expires: 2008-08-08
Abstract
Abstract A method of boosting foam in a low sudsing detergent system containing high levels of cationic or nonionic fabric softening surfactants in a textile wash liquor wherein there is added to the wash liquor in addition to the detergent a foam boosting effective amount of a short chain non-toxic organosulfobetaine zwitterionic siloxane based silicone surfactant compound, and causing the detergent and the silicone compound to be homogeneously intermixed in the wash liquor along with the textiles.
Inventors
- 👤 Sunny J. Lo
- 👤 Steven A. Snow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:32
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/88; C11D1/92; C11D3/00; C11D3/16; C11D3/37; C11D3/3703; C11D3/373; C11D3/3742; C11D1/94; C11D3/0005; C11D3/0026; C11D3/0094; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/03; Y10S516/05
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
145 words
A method of boosting foam in a low sudsing detergent system which contains cationic or nonionic fabric softening surfactants in a textile wash liquor comprising adding to the wash liquor in addition to the detergent an organosulfobetaine zwitterionic siloxane based compound having the general formula selected from the group consisting of: Me.sub.3 SiO(SiMeR.sup.1 O).sub.y SiMe.sub.3 and Me.sub.3 SiO(SiMe.sub.2 O).sub.x (SiMeR.sup.1 O).sub.y SiMe.sub.3 wherein: Me=methyl; R 1 =--CH 2 CH 2 CH 2 N + (R 2 ) 2 (CH 2 ) z SO 3 - , or --CH 2 CH 2 CH 2 N + (R 2 ) 2 (CH 2 ) z COO - ; R 2 =an alkyl group having from one to six carbon atoms or (CH 2 ) m OH; m=1-6; x=1-10; y=1-3; and z=1-4, and mixing the detergent and the siloxane compound in the wash liquor along with the textiles.
Claim 2
Independent Claim
145 words
A method of boosting foam in a low sudsing detergent system which contains cationic or nonionic fabric softening surfactants in a textile wash liquor comprising adding to the wash liquor in addition to the detergent an organosulfobetaine zwitterionic siloxane based compound having the general formula selected from the group consisting of: Me.sub.3 SiO(SiMeR.sup.1 O).sub.y SiMe.sub.3 and Me.sub.3 SiO(SiMe.sub.2 O).sub.x (SiMeR.sup.1 O).sub.y SiMe.sub.3 wherein: Me=methyl; R 1 =--CH 2 CH 2 CH 2 N + (R 2 ) 2 (CH 2 ) z SO 3 - , or --CH 2 CH 2 CH 2 N + (R 2 ) 2 (CH 2 ) z COO - ; R 2 =an alkyl group having from one to six carbon atoms or (CH 2 ) m OH; m=1-6; x=1-10; y=1-3; and z=1-4, and mixing the detergent and the siloxane compound in the wash liquor along with the textiles.
Claim 3
Dependent Claim
39 words
The method of claim 1 wherein the siloxane compound is present in the wash liquor in an amount of from about one tenth of one percent to about one percent by weight based on the weight of wash liquor.
Claim 4
Dependent Claim
18 words
The method of claim 2 wherein the degree of polymerization of the siloxane is less than about twenty.
Claim 5
Dependent Claim
139 words
A detergent comprising a low sudsing detergent formulation which includes cationic or nonionic fabric softening surfactants for a textile wash liquor and an organosulfobetaine zwitterionic siloxane based compound, the detergent and the siloxane compound being mixed together for use in the wash liquor along with the textiles, the siloxane being a compound having the general formula selected from the group consisting of: Me.sub.3 SiO(SiMeR.sup.1 O).sub.y SiMe.sub.3 and Me.sub.3 SiO(SiMe.sub.2 O).sub.x (SiMeR.sup.1 O).sub.y SiMe.sub.3 wherein: Me=methyl; R 1 =--CH 2 CH 2 CH 2 N + (R 2 ) 2 (CH 2 ) z SO 3 - , or --CH 2 CH 2 CH 2 N + (R 2 ) 2 (CH 2 ) z COO - ; R 2 =alkyl group having from one to six carbon atoms or (CH 2 ) m OH; m=1-6; x=1-10; y=1-3; and z=1-4.
Claim 6
Dependent Claim
139 words
A detergent comprising a low sudsing detergent formulation which includes cationic or nonionic fabric softening surfactants for a textile wash liquor and an organosulfobetaine zwitterionic siloxane based compound, the detergent and the siloxane compound being mixed together for use in the wash liquor along with the textiles, the siloxane being a compound having the general formula selected from the group consisting of: Me.sub.3 SiO(SiMeR.sup.1 O).sub.y SiMe.sub.3 and Me.sub.3 SiO(SiMe.sub.2 O).sub.x (SiMeR.sup.1 O).sub.y SiMe.sub.3 wherein: Me=methyl; R 1 =--CH 2 CH 2 CH 2 N + (R 2 ) 2 (CH 2 ) z SO 3 - , or --CH 2 CH 2 CH 2 N + (R 2 ) 2 (CH 2 ) z COO - ; R 2 =alkyl group having from one to six carbon atoms or (CH 2 ) m OH; m=1-6; x=1-10; y=1-3; and z=1-4.
Claim 7
Dependent Claim
36 words
The detergent of claim 4 wherein the siloxane compound is present in an amount of from about one tenth of one percent to about one percent by weight based on the weight of the wash liquor.
Claim 8
Dependent Claim
18 words
The detergent of claim 5 wherein the degree of polymerization of the siloxane is less than about twenty.
Claim 9
Independent Claim
147 words
A method of reducing the surface tension of a low sudsing detergent system which contains cationic or nonionic fabric softening surfactants in a textile wash liquor comprising adding to the wash liquor in addition to the detergent, an organosulfobetaine zwitterionic siloxane based compound having the general formula selected from the group consisting of: Me.sub.3 SiO(SiMeR.sup.1 O).sub.y SiMe.sub.3 and Me.sub.3 SiO(SiMe.sub.2 O).sub.x (SiMeR.sup.1 O).sub.y SiMe.sub.3 wherein: Me=methyl; R 1 =--CH 2 CH 2 CH 2 N + (R 2 ) 2 (CH 2 ) z SO 3 - , or --CH 2 CH 2 CH 2 N + (R 2 ) 2 (CH 2 ) z COO - ; R 2 =an alkyl group having from one to six carbon atoms or (CH 2 ) m OH; m=1-6; x=1-10; y=1-3; and z=1-4, and mixing the detergent and the siloxane compound in the wash liquor along with the textiles.
Claim 10
Independent Claim
147 words
A method of reducing the surface tension of a low sudsing detergent system which contains cationic or nonionic fabric softening surfactants in a textile wash liquor comprising adding to the wash liquor in addition to the detergent, an organosulfobetaine zwitterionic siloxane based compound having the general formula selected from the group consisting of: Me.sub.3 SiO(SiMeR.sup.1 O).sub.y SiMe.sub.3 and Me.sub.3 SiO(SiMe.sub.2 O).sub.x (SiMeR.sup.1 O).sub.y SiMe.sub.3 wherein: Me=methyl; R 1 =--CH 2 CH 2 CH 2 N + (R 2 ) 2 (CH 2 ) z SO 3 - , or --CH 2 CH 2 CH 2 N + (R 2 ) 2 (CH 2 ) z COO - ; R 2 =an alkyl group having from one to six carbon atoms or (CH 2 ) m OH; m=1-6; x=1-10; y=1-3; and z=1-4, and mixing the detergent and the siloxane compound in the wash liquor along with the textiles.
Claim 11
Dependent Claim
39 words
The method of claim 7 wherein the siloxane compound is present in the wash liquor in an amount of from about one tenth of one percent to about one percent by weight based on the weight of wash liquor.
Claim 12
Dependent Claim
18 words
The method of claim 8 wherein the degree of polymerization of the siloxane is less than about twenty.
Claim 13
Independent Claim
151 words
A method of boosting foam and simultaneously reducing the surface tension in a low sudsing detergent system which contains cationic or nonionic fabric softening surfactants in a textile wash liquor comprising adding to the wash liquor in addition to the detergent an organosulfobetaine zwitterionic siloxane based compound having the general formula selected from the group consisting of: Me.sub.3 SiO(SiMeR.sup.1 O).sub.y SiMe.sub.3 and Me.sub.3 SiO(SiMe.sub.2 O).sub.x (SiMeR.sup.1 O).sub.y SiMe.sub.3 wherein: Me=methyl; R 1 =--CH 2 CH 2 CH 2 N + (R 2 ) 2 (CH 2 ) z SO 3 - , or --CH 2 CH 2 CH 2 N + (R 2 ) 2 (CH 2 ) z COO - ; R 2 =an alkyl group having from one to six carbon atoms or (CH 2 ) m OH; m=1-6; x=1-10; y=1-3; and z=1-4, and mixing the detergent and the siloxane compound in the wash liquor along with the textiles.
Claim 14
Independent Claim
151 words
A method of boosting foam and simultaneously reducing the surface tension in a low sudsing detergent system which contains cationic or nonionic fabric softening surfactants in a textile wash liquor comprising adding to the wash liquor in addition to the detergent an organosulfobetaine zwitterionic siloxane based compound having the general formula selected from the group consisting of: Me.sub.3 SiO(SiMeR.sup.1 O).sub.y SiMe.sub.3 and Me.sub.3 SiO(SiMe.sub.2 O).sub.x (SiMeR.sup.1 O).sub.y SiMe.sub.3 wherein: Me=methyl; R 1 =--CH 2 CH 2 CH 2 N + (R 2 ) 2 (CH 2 ) z SO 3 - , or --CH 2 CH 2 CH 2 N + (R 2 ) 2 (CH 2 ) z COO - ; R 2 =an alkyl group having from one to six carbon atoms or (CH 2 ) m OH; m=1-6; x=1-10; y=1-3; and z=1-4, and mixing the detergent and the siloxane compound in the wash liquor along with the textiles.
Claim 15
Dependent Claim
39 words
The method of claim 10 wherein the siloxane compound is present in the wash liquor in an amount of from about one tenth of one percent to about one percent by weight based on the weight of wash liquor.
Claim 16
Dependent Claim
18 words
The method of claim 11 wherein the degree of polymerization of the siloxane is less than about twenty.
References Cited (Backward Citations)
EP0276114A2
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-11-06 | 1993-05-08 | 1993-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-11-06 | 1997-05-08 | 1997-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-11-06 | 2001-05-08 | 2001-11-07 | $7700.00 | Window Closed / Lapsed |