US4283519A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organosilicone terpolymers
Assignee: OSI Specialties Inc
•
Filing: 1979-12-20
•
Granted: 1981-08-11
•
Expires: 1999-12-20
Abstract
Abstract Organosilicone terpolymer containing a plurality of pendant polyoxyalkylene groups and a plurality of pendant hydroylzable silyl groups is employed as a hydrophilic finish agent for natural and synthetic textile fabrics.
Inventors
- 👤 Arthur N. Pines
- 👤 Gordon C. Johnson
- 👤 Fannie L. Campbell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:07
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/48; C08G77/50; C08G77/42; C08G77/46; D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/643; D06M15/647; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2352
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
282 words
An organosilicone terpolymer of the formula MD.sub.x D.sub.y 'D.sub.z "M wherein M, each occurrence, is a end-capping unit of the formula A 3 SiO 1/2 in which A is a monovalent organic radical free of olefinic unsaturation or is hydroxyl bonded directly to the silicon atoms, or M is alkoxy of 1 to 13 carbon atoms, D is a unit of the formula R 2 SiO wherein R is a monovalent hydrocarbon radical free of acetylenic unsaturation, D' is a unit of the formula RR'SiO wherein R is a monovalent hydrocarbon radical free of acetylenic unsaturation and R' is a polyoxyalkylene unit of the formula --C n H 2n (OC 2 H 4 ) a (OC 3 H 6 ) b OR" in which R" is a hydrogen, acyl of 1 to 8 carbon atoms, or a monovalent hydrocarbon radical of 1 to 13 carbon atoms, n is an integer having an average value from 3 to 8, and a and b are such that the sum of a+b is from 5 to 200 and the quantity a÷(a+b) is from 0 to 1.0, D" is a unit of the formula RR"'SiO wherein R is a monovalent hydrocarbon radical free of acetylenic unsaturation and R"' is a radical of the formula --L--SiR m ""X 3-m wherein L is a non-hydrolyzable aliphatic hydrocarbon linkage which separates the silicon atoms by at least two carbon atoms, R"" is alkyl of up to 8 carbon atoms, X is hydroxyl or a hydrolyzable group, and m is 2, 1, or 0, and x is an integer from 25 to 500, y is an integer from 1 to 2x, and z is an integer from 1 to 2x.
Claim 2
Dependent Claim
282 words
An organosilicone terpolymer of the formula MD.sub.x D.sub.y 'D.sub.z "M wherein M, each occurrence, is a end-capping unit of the formula A 3 SiO 1/2 in which A is a monovalent organic radical free of olefinic unsaturation or is hydroxyl bonded directly to the silicon atoms, or M is alkoxy of 1 to 13 carbon atoms, D is a unit of the formula R 2 SiO wherein R is a monovalent hydrocarbon radical free of acetylenic unsaturation, D' is a unit of the formula RR'SiO wherein R is a monovalent hydrocarbon radical free of acetylenic unsaturation and R' is a polyoxyalkylene unit of the formula --C n H 2n (OC 2 H 4 ) a (OC 3 H 6 ) b OR" in which R" is a hydrogen, acyl of 1 to 8 carbon atoms, or a monovalent hydrocarbon radical of 1 to 13 carbon atoms, n is an integer having an average value from 3 to 8, and a and b are such that the sum of a+b is from 5 to 200 and the quantity a÷(a+b) is from 0 to 1.0, D" is a unit of the formula RR"'SiO wherein R is a monovalent hydrocarbon radical free of acetylenic unsaturation and R"' is a radical of the formula --L--SiR m ""X 3-m wherein L is a non-hydrolyzable aliphatic hydrocarbon linkage which separates the silicon atoms by at least two carbon atoms, R"" is alkyl of up to 8 carbon atoms, X is hydroxyl or a hydrolyzable group, and m is 2, 1, or 0, and x is an integer from 25 to 500, y is an integer from 1 to 2x, and z is an integer from 1 to 2x.
Claim 3
Dependent Claim
33 words
An organosilicone terpolymer as in claim 1 wherein x is an integer from 50 to 300, y is an integer from 1 to 0.1x, and z is an integer from 1 to 0.1x.
Claim 4
Dependent Claim
104 words
An organosilicone terpolymer as in claim 2 wherein M is (CH 3 ) 3 SiO 1/2 D is (CH 3 ) 2 SiO, D' is CH 3 R'SiO where in R' is a polyoxyalkylene unit of the formula --C 3 H 6 (OC 2 H 4 ) a (OC 3 H 6 ) b OCH 3 in which the sum of a+b is at least 20 and the quantity a÷(a+b) is from 0.3 to 0.75, and D" is CH 3 R"'SiO wherein R"' is a radical of the formula --L--SiX 3 in which L is 1,2-ethylene or 1,3-propylene and X is methoxy or ethoxy.
Claim 5
Dependent Claim
62 words
An organosilicone terpolymer as in claim 3 wherein R' is a polyoxyalkylene unit of the formula --C 3 H 6 (OC 2 H 4 ) 23 (OC 3 H 6 ) 26 .1 OCH 3 , R"' is a radical of the formula --CH 2 CH 2 Si(OCH 3 ) 3 , x is 100, y is 6, and z is 2.5
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-08-10 | 1985-02-09 | 1985-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-08-10 | 1989-02-09 | 1989-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-08-10 | 1993-02-09 | 1993-08-11 | $7700.00 | Window Closed / Lapsed |