US4859529A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fibers, fabrics and flexible porous substrates sized with a curable hydrophilic silicone polyether polymer
Assignee: General Electric Co
•
Filing: 1988-06-20
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Granted: 1989-08-22
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Expires: 2008-06-20
Abstract
Abstract A bis (alkoxysilyl) polyether is produced and utilized as a fabric sizing agent.
Inventors
- 👤 William J. Raleigh
- 👤 James E. Doin
- 👤 Frank J. Traver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:09
CPC Classifications
C; C08; C08G; C08G65/00; C08G65/02; C08G65/32; D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/643; D06M15/647; C08G65/329; C08G65/331; C08G65/332; C08G65/3322; C08G65/336; C08G77/00; C08G77/42; C08G77/46; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2962; Y10T428/31504; Y10T428/31652; Y10T428/31663; Y10T442/00; Y10T442/20; Y10T442/2279; Y10T442/2352; Y10T442/2484
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
135 words
A fiber, fabric or flexible porous substrate sized with a curable bis(alkoxysilyl)polyether of the general formula: (R.sup.2 O).sub.b --SiR.sub.a.sup.3 --R.sup.1 O--(--RO--)--.sub.x R.sup.1 --R.sub.a.sup.3 Si(OR.sup.2).sub.b wherein R is a divalent substituted or unsubstituted hydrocarbon radical of from 2 to about 10 carbon atoms, R 1 is a divalent substituted or unsubstituted hydrocarbon radical of from 2 to about 20 carbon atoms, at least one R' is a substituted alkylene group which is a derivative of 10-hendecenoic acid and forms an ester linkage to the polyether moiety R 2 is a monovalent substituted or unsubstituted hydrocarbon radical of from 1 to about 6 carbon atoms, R 3 is selected from the group consisting of hydrogen and R 2 , b is 2 or 3, the sum of a+b is 3, and x is from 1 to 100.
Claim 2
Dependent Claim
135 words
A fiber, fabric or flexible porous substrate sized with a curable bis(alkoxysilyl)polyether of the general formula: (R.sup.2 O).sub.b --SiR.sub.a.sup.3 --R.sup.1 O--(--RO--)--.sub.x R.sup.1 --R.sub.a.sup.3 Si(OR.sup.2).sub.b wherein R is a divalent substituted or unsubstituted hydrocarbon radical of from 2 to about 10 carbon atoms, R 1 is a divalent substituted or unsubstituted hydrocarbon radical of from 2 to about 20 carbon atoms, at least one R' is a substituted alkylene group which is a derivative of 10-hendecenoic acid and forms an ester linkage to the polyether moiety R 2 is a monovalent substituted or unsubstituted hydrocarbon radical of from 1 to about 6 carbon atoms, R 3 is selected from the group consisting of hydrogen and R 2 , b is 2 or 3, the sum of a+b is 3, and x is from 1 to 100.
Claim 3
Dependent Claim
22 words
The fiber, fabric or flexible porous substrate of claim 1 wherein said curable polyether contains sufficient tin soap catalyst to promote cure.
Claim 4
Dependent Claim
23 words
The fiber, fabric or flexible porous substrate of claim 1 sized with from 0.1% to about 10% of its weight with said polyether.
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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) | 1992-08-21 | 1993-02-20 | 1993-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-08-21 | 1997-02-20 | 1997-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-08-21 | 2001-02-20 | 2001-08-22 | $7700.00 | Window Closed / Lapsed |