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US4511727A Expired / Lapsed US ⏱️ 0.0 years remaining

Quaternary ammonium-functional silicon compounds

Assignee: Wacker Chemical Corp
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Filing: 1982-12-07
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Granted: 1985-04-16
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Expires: 2002-12-07
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Abstract

Abstract Quaternary ammonium-functional silicon compounds are prepared by reacting carboxylic acid-functional quaternary ammonium compounds with carbinol-functional silicon compounds. These quaternary ammonium-functional silicon compounds may be applied to textile materials to impart antistatic properties thereto.

Inventors

  • 👤 Eugene R. Martin

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 19:14
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/04; C08G77/38; C08G77/382; C08G77/388; C08G77/42; D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/643; D06M15/6436

Claims Analysis

Total Claims: 9
Claim 1
Independent Claim 188 words
A quaternary ammonium functional silicon compound which is obtained from the reaction of a carboxylic acid-functional quaternary ammonium compound and a carbinol-functional silicon compound having at least one unit of the formula ##STR16## said carboxylic acid-functional quaternary ammonium compound is obtained from the reaction of a carbinol-functional quaternary ammonium compound selected from the group consisting of ##STR17## with a dicarboxylic acid or anhydride thereof, in which R is a monovalent hydrocarbon radical having from 1 to 22 carbon atoms, R 1 is a hydrocarbonoxy radical represented by the formula (--C n H 2n O) r , R 3 is a divalent hydrocarbon radical having from 2 to 10 carbon atoms, R 4 is a radical selected from the group consisting of saturated divalent hydrocarbon radicals and divalent hydrocarbonoxy radicals in which the oxygen is in the form of an ether linkage, X is an anion, a is a number of from 1 to 4, b is a number of from 0 to 3, c is a number of from 1 to 3, n is 2, 3 or 4, and r is a number of from 1 to 50.
Claim 2
Dependent Claim 188 words
A quaternary ammonium functional silicon compound which is obtained from the reaction of a carboxylic acid-functional quaternary ammonium compound and a carbinol-functional silicon compound having at least one unit of the formula ##STR16## said carboxylic acid-functional quaternary ammonium compound is obtained from the reaction of a carbinol-functional quaternary ammonium compound selected from the group consisting of ##STR17## with a dicarboxylic acid or anhydride thereof, in which R is a monovalent hydrocarbon radical having from 1 to 22 carbon atoms, R 1 is a hydrocarbonoxy radical represented by the formula (--C n H 2n O) r , R 3 is a divalent hydrocarbon radical having from 2 to 10 carbon atoms, R 4 is a radical selected from the group consisting of saturated divalent hydrocarbon radicals and divalent hydrocarbonoxy radicals in which the oxygen is in the form of an ether linkage, X is an anion, a is a number of from 1 to 4, b is a number of from 0 to 3, c is a number of from 1 to 3, n is 2, 3 or 4, and r is a number of from 1 to 50.
Claim 3
Dependent Claim 29 words
The quaternary ammonium compound of claim 1, wherein the carboxylic acid-functional quaternary ammonium compound is obtained from the reaction of a carbinol-functional quaternary ammonium compound and a dicarboxylic acid.
Claim 4
Dependent Claim 29 words
The quaternary ammonium compound of claim 1, wherein the carboxylic acid-functional quaternary ammonium compound is obtained from the reaction of a carbinol-functional quaternary ammonium compound and a cyclic anhydride.
Claim 5
Dependent Claim 246 words
The quaternary ammonium compound of claim 1, wherein the carboxylic acid-functional quaternary ammonium compound is selected from the group consisting of compounds having the formulas ##STR18## in which R is a monovalent hydrocarbon radical having from 1 to 22 carbon atoms, R 1 is a hydrocarbonoxy radical having the formula --(C n H 2n O) r , R 2 is a divalent hydrocarbon radical selected from the group consisting of (CH 2 ) y , CH═CH and a cyclic divalent hydrocarbon radical selected from the group consisting of C 2 H 4 , C 4 H 6 , C 5 H 8 , C 6 H 4 , C 6 H 8 , C 6 H 10 , C 10 H 6 , and a bicyclic radical selected from the group consisting of C 7 H 8 , C 7 H 10 , C 8 H 10 and C 8 H 13 , R 3 is a divalent hydrocarbon radical having from 2 to 10 carbon atoms, X is an anionic radical, a is a number of from 1 to 4, b is 0, 1, 2 or 3, c is 1, 2 or 3, d is a number of from 0 to 2, in which the sum of a+ b cannot exceed 4, and the sum of c+d cannot exceed 3, n is 2, 3 or 4, r is a number of from 1 to 50 and y is a number of from 0 to 10.
Claim 6
Dependent Claim 43 words
The quaternary ammonium compound of claim 1, wherein the carbinol-functional silicon compound contains at least one unit of the formula ##EQU2## where R is a monovalent hydrocarbon radical having from 1 to 22 carbon atoms and b is 0, 1, 2 or 3.
Claim 7
Dependent Claim 56 words
The quaternary ammonium compound of claim 1, wherein the mole ratio of the carboxylic acid groups of the carboxylic acid-functional quaternary ammonium compound to carbinol groups or the carbinol-functional silicon compound is in the range of from 4:1 to 1:30 with the proviso that at least one carboxylic acid group is reacted with one carbinol group.
Claim 8
Dependent Claim 18 words
The quaternary ammonium compound of claim 1, wherein the carbinol-functional silicon compound is represented by the formula ##STR19##
Claim 9
Dependent Claim 18 words
The quaternary ammonium compound of claim 1, wherein the carbinol-functional silicon compound is represented by the formula ##STR20##

References Cited (Backward Citations)

US2415017A Cited
US2637623A Cited
US2838423A Cited
US3734763A Cited
US3819675A Cited
US3700844A Cited
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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) 1988-04-15 1988-10-15 1989-04-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1992-04-15 1992-10-15 1993-04-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1996-04-15 1996-10-15 1997-04-16 $7700.00 Window Closed / Lapsed

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