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US4758646A Expired / Lapsed US ⏱️ 0.0 years remaining

Curable hydrophilic silicone polyether polymer

Assignee: General Electric Co
•
Filing: 1987-03-10
•
Granted: 1988-07-19
•
Expires: 2007-03-10
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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 13:15
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: 12
Claim 1
Independent Claim 129 words
A composition comprising a bis(alkoxysilyl)polyether copolymer having the 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 1 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 129 words
A composition comprising a bis(alkoxysilyl)polyether copolymer having the 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 1 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 17 words
The composition of claim 1 wherein x has a value of from about 3 to about 30.
Claim 4
Dependent Claim 17 words
The composition of claim 1 wherein total molecular weight ranges from about 200 to about 10,000 g/g-m.
Claim 5
Dependent Claim 143 words
A composition comprising (a) from about 0.5% to about 25% by weight bis(alkoxysilyl)polyether copolymer 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 1 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, and (b) a solvent therefor.
Claim 6
Dependent Claim 143 words
A composition comprising (a) from about 0.5% to about 25% by weight bis(alkoxysilyl)polyether copolymer 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 1 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, and (b) a solvent therefor.
Claim 7
Dependent Claim 18 words
The composition of claim 4 wherein the solvent is selected from the group of water or organic solvent.
Claim 8
Dependent Claim 18 words
The composition of claim 4 which further contains an effective amount of tin soap to cure the composition.
Claim 9
Dependent Claim 17 words
The composition of claim 1 wherein total molecular weight ranges from about 200 to about 10,000 g/g-m.
Claim 10
Independent Claim 51 words
A method for producing bis(alkoxysilyl)polyether comprising the steps of (a) esterifying an alpha-beta unsaturated polyether produced by polymerizing alkylene oxide in the presence of allyl alcohol with alpha-beta unsaturated carboxylic acid, and (b) adding an alkoxysilane to the resultant terminal unsaturation by SiH addition in the presence of a platinum catalyst.
Claim 11
Independent Claim 51 words
A method for producing bis(alkoxysilyl)polyether comprising the steps of (a) esterifying an alpha-beta unsaturated polyether produced by polymerizing alkylene oxide in the presence of allyl alcohol with alpha-beta unsaturated carboxylic acid, and (b) adding an alkoxysilane to the resultant terminal unsaturation by SiH addition in the presence of a platinum catalyst.
Claim 12
Dependent Claim 12 words
The composition of claim 5 wherein said organic solvent is a halohydrocarbon.

References Cited (Backward Citations)

US4323488A Cited
US4467105A Cited
US4463115A Cited
US4618656A Cited
US4618646A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1991-07-19 1992-01-18 1992-07-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1995-07-19 1996-01-18 1996-07-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1999-07-19 2000-01-18 2000-07-19 $7700.00 Window Closed / Lapsed

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