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US4937277A Expired / Lapsed US ⏱️ 0.0 years remaining

Alkoxylated silicon polymers

Assignee: Rhone Poulenc Surfactants and Specialties LP
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Filing: 1988-05-16
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Granted: 1990-06-26
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Expires: 2008-05-16
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Abstract

Abstract The present invention relates to novel silicone containing block polyesters useful as soil release and antistatic agents prepared by the reaction of a silicone compound having the following structure ##STR1## as defined herein, a polyalkylene glycol and a benzene polycarboxylic acid ester or anhydride thereof.

Inventors

  • 👤 Anthony J. O'Lenick, Jr.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 22:09
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/42; C08G77/46; C08G63/00; C08G63/68; C08G63/695; C08G63/6954; C08G77/445; C08K; C08K5/00; C08K5/54; C08K5/5406; D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/643; D06M15/647

Claims Analysis

Total Claims: 16
Claim 1
Independent Claim 112 words
A silicone polyester polyol containing (a) a C 2 to C 3 alkyleneoxy unit (b) a benzene carbonyloxy unit and (c) a siloxane unit having the formula ##STR10## wherein Z and Z' are each --CH 3 , --C 2 H 5 or mixtures therefore; R 3 is Z or --C 3 H 6 O(EO) j (PO) k (EO) e EO is --CH 2 CH 2 O-- PO is ##STR11## g has a value of from 1 to 150 h and i each have a value of from 0 to 100 j and e each have a value of from 0 to 100 and k has a value of from 0 to 50.
Claim 2
Dependent Claim 112 words
A silicone polyester polyol containing (a) a C 2 to C 3 alkyleneoxy unit (b) a benzene carbonyloxy unit and (c) a siloxane unit having the formula ##STR10## wherein Z and Z' are each --CH 3 , --C 2 H 5 or mixtures therefore; R 3 is Z or --C 3 H 6 O(EO) j (PO) k (EO) e EO is --CH 2 CH 2 O-- PO is ##STR11## g has a value of from 1 to 150 h and i each have a value of from 0 to 100 j and e each have a value of from 0 to 100 and k has a value of from 0 to 50.
Claim 3
Dependent Claim 46 words
The polyol of claim 1 wherein g has a value of from 5 to 100; i has a value of from 0 to 10; j and e each have a value of from 1 to 50 and k has a value of from 0 to 25.
Claim 4
Dependent Claim 34 words
The polyol of claim 1 wherein the compound contains from 3 to 425 units of component a; from 1 to 40 units of component b and from 1 to 12 units of component c.
Claim 5
Dependent Claim 34 words
The polyol of claim 3 wherein the compound contains from 3 to 400 units of component a; from 3 to 25 units of component b and from 1 to 10 units of component c.
Claim 6
Dependent Claim 12 words
The polyol of claim 1 wherein Z and Z' are both methyl.
Claim 7
Dependent Claim 87 words
The polyol of claim 1 having the formula ##STR12## wherein R 2 is said siloxane unit; Q is H, SO 3 M, COOH or COOM where M is Na, K or NH 4 X is H, CH 3 or mixtures thereof m and s each have a value of from 1 to 200 n and p each have a value of from 1 to 5 a and r each have a value of from 0 to 10 and t has a value of from 1 to 50.
Claim 8
Dependent Claim 89 words
The polyol of claim 2 having the formula ##STR13## wherein X is --H, --CH 3 or a mixture thereof; Q is --H, --SO 3 M, COOH or COOM where M is Na, K or NH 4 ; R 2 is said siloxane unit; a and r each have a value of from 0 to 10; m and s each have a value of from 1 to 200; n and p each have a value of from 1 to 5 and t has a value of from 1 to 50.
Claim 9
Dependent Claim 9 words
The polyol of claim 6 having the formula ##STR14##
Claim 10
Dependent Claim 9 words
The polyol of claim 7 having the formula ##STR15##
Claim 11
Dependent Claim 122 words
The process for synthesizing the polyol of claim 1 which comprises reacting, under anhydrous conditions, a polyalkylene glycol having the formula, ##STR16## wherein v has a value of 3 to 200 and X is H, --CH 3 or a mixture thereof, a benzene polycarboxylic acid, or an ester or anhydride thereof having the formula, ##STR17## wherein (a) has a value of from 0 to 10 and (d) has a value of from 0 to 1, and a siloxane having the formula, ##STR18## at a temperature between about 135° and about 230° C., under a pressure from about atmospheric to about 50 psia for a period of from about 3 to about 15 hours optiona11y in the presence of an inert organic diluent.
Claim 12
Dependent Claim 24 words
The process of claim 10 wherein the concentration of said reactants in the reaction mixture is between about 30% and about 100% by weight.
Claim 13
Dependent Claim 35 words
The process of claim 10 wherein said process is effected at a temperature of between about 160° and about 220° C. under atmospheric pressure for a period of from about 5 to about 8 hours.
Claim 14
Dependent Claim 39 words
The process of claim 10 wherein the mole ratio of reactant A to reactant B is between about 0.5:1 and about 1.5:1 and the mole ratio of reactant B to reactant C is between about 0.5:1 and about 1.5:1.
Claim 15
Dependent Claim 37 words
The process of claim 10 wherein said product is reduced to particulate form and is intimately mixed in an inert liquid carrier to form a uniform liquid mixture containing between about 15% and about 50% by weight.
Claim 16
Dependent Claim 24 words
The process of claim 14 where said product is homogenized with said carrier under a pressure of from about 1000 to about 4000 psi.

References Cited (Backward Citations)

US4681922A Cited
US4699967A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1993-06-25 1993-12-25 1994-06-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1997-06-25 1997-12-25 1998-06-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2001-06-25 2001-12-25 2002-06-26 $7700.00 Window Closed / Lapsed

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