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Patent US5155200A successfully refreshed from Google Patents.
US5155200A
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Polyarylamine polymers
Assignee: Xerox Corp
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Filing: 1990-04-20
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Granted: 1992-10-13
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Expires: 2010-04-20
Abstract
Abstract A polyarylamine polymer represented by formula ##STR1## wherein: n is between about 5 and about 5,000, or 0 if p>0, o is between about 0 and about 5,000, or is 0 if p>0 or n=0, p is between about 2 and about 100, or is 0 if n>0, X' and X" are indendently selected from a group having bifunctional linkages, Q is a divalent group derived from certain hydroxy terminated arylamine reactants, Q' is a divalent group derived from a hydroxy terminated polyarylamine containing the group defined for Q and having a weight average molecular weight between about 1000 and about 80,000 and the weight average molecular weight of the polyarylamine polymer is between about 10,000 and about 1,000,000.
Inventors
- 👤 William W. Limburg
- 👤 Dale S. Renfer
- 👤 John F. Yanus
- 👤 Jean M. Frechet
- 👤 Sylvie Gauthier
- 👤 Dasarao K. Murti
- 👤 Giuseppa Baranyi
- 👤 Zoran D. Popovic
- 👤 Rafik O. Loutfy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:27
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/30; C08G18/32; C08G18/3271; C08G18/329; G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/05; G03G5/0528; G03G5/0557; G03G5/0575; G03G5/06; G03G5/07; G03G5/075; G03G5/076; G03G5/0763; G03G5/0764; G03G5/0766; G03G5/14; G03G5/142
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
169 words
A polyarylamine polymer represented by formula: ##STR33## wherein: n is between about 5 and about 5,000, or 0 if p>0, o is between about 0 and about 5,000, or is 0 if p>0 or n=0, p is between about 2 and about 100, or is 0 if n>0, X' and X" are independently selected from a group having bifunctional linkages, Q is a divalent group derived from a hydroxy terminated arylamine reactant containing the group: ##STR34## Q' is a divalent group derived from a hydroxy terminated polyarylamine containing the group defined for Q and having a weight average molecular weight between about 1000 and about 80,000, wherein: Ar is selected from the group consisting of: ##STR35## R is selected from the group consisting of --CH 3 , --C 2 H 5 , --C 3 H 7 , and --C 4 H 9 , Ar' is selected from the group consisting of: ##STR36## and the weight average molecular weight of the polyarylamine polymer is between about 10,000 and about 1,000,000.
Claim 2
Dependent Claim
169 words
A polyarylamine polymer represented by formula: ##STR33## wherein: n is between about 5 and about 5,000, or 0 if p>0, o is between about 0 and about 5,000, or is 0 if p>0 or n=0, p is between about 2 and about 100, or is 0 if n>0, X' and X" are independently selected from a group having bifunctional linkages, Q is a divalent group derived from a hydroxy terminated arylamine reactant containing the group: ##STR34## Q' is a divalent group derived from a hydroxy terminated polyarylamine containing the group defined for Q and having a weight average molecular weight between about 1000 and about 80,000, wherein: Ar is selected from the group consisting of: ##STR35## R is selected from the group consisting of --CH 3 , --C 2 H 5 , --C 3 H 7 , and --C 4 H 9 , Ar' is selected from the group consisting of: ##STR36## and the weight average molecular weight of the polyarylamine polymer is between about 10,000 and about 1,000,000.
Claim 3
Dependent Claim
239 words
A polyarylamine polymer according to claim 1 wherein said polyarylamine polymer is represented by the formula: ##STR37## wherein: m is 0 or 1, n is between about 5 and about 5,000, or is 0 if p>0, o is between about 0 and about 5,000, or is 0 if p>0 or n=0, p if between about 2 and about 100, or is 0 if n>0, Z is selected from the group consisting of: ##STR38## r is 0 or 1, Ar is selected from the group consisting of: ##STR39## R is selected from the group consisting of --CH 3 , --C 2 H 5 , --C 3 H 7 , and --C 4 H 9 , Ar' is selected from the group consisting of: ##STR40## X is selected from the group consisting of: ##STR41## s is 0, 1 or 2, X' and X" are independently selected from a group having bifunctional linkages, and Y and Y' are independently selected from a group represented by the formula: --CH.sub.2).sub.t t is 0, 1, 2, 3, or 4 Q' is represented by the formula: ##STR42## wherein: Ar, Ar', Z, Y, Y', and m, are as defined previously, and B represents a bifunctional linkage, g is between about 2 and about 350 such that the weight average molecular weight of Q' is between about 1000 and about 80,000, and the weight average molecular weight of said polyarylamine polymer is between about 20,000 and about 500,000.
Claim 4
Dependent Claim
43 words
A polyarylamine polymer according to claim 1 wherein said polyarylamine polymer is the reaction product of a dihydroxy arylamine compound and a co-reactant diisocyanate compound represented by the formula: O═C═N--X'--N═C═O wherein X' is a bifunctional linkage containing from 1 to 25 carbon atoms.
Claim 5
Dependent Claim
40 words
A polyarylamine polymer according to claim 3 wherein an additional diisocyanate compound is included in said reaction, said additional diisocyanate compound being represented by the formula: O═C═N--X"--N═C═O wherein X" is a bifunctional linkage containing from 1 to 25 carbon atoms.
Claim 6
Dependent Claim
181 words
A polyarylamine polymer according to claim 1 wherein said polyarylamine polymer is the reaction product of a dihydroxy arylamine compound represented by the formula: ##STR43## wherein: m is 0 or 1, n is between about 5 and about 5,000, or is 0 if p>0, o is between about 0 and about 5,000, or is 0 if p>0 or n=0, p if between about 2 and about 100, or is 0 if n>0, Z is selected from the group consisting of: ##STR44## r is 0 or 1, Ar is selected from the group consisting of: ##STR45## R is selected from the group consisting of --CH 3 , --C 2 H 5 , --C 3 H 7 , and --C 4 H 9 , Ar' is selected from the group consisting of: ##STR46## X is selected from the group consisting of: ##STR47## s is 0, 1 or 2, X' AND X" are independently selected from a group having bifunctional linkages, and Y and Y' are independently selected from a group represented by the formula: --CH.sub.2).sub.t t is 0, 1, 2, 3, or 4.
Claim 7
Dependent Claim
99 words
A polyarylamine polymer according to claim 1 wherein said polyarylamine polymer is the reaction product of a diisocyanate with a low molecular weight hydroxy group terminated arylamine polymer represented by the generic formula: ##STR48## wherein: Q' is a divalent group derived from a dihydroxy terminated polyarylamine material containing the following group: ##STR49## wherein: Ar is selected from the group consisting of: ##STR50## R is selected from the group consisting of --CH 3 , --C 2 H 5 , --C 3 H 7 , and --C 4 H 9 , and Ar' is selected from the group consisting of: ##STR51##
Claim 8
Dependent Claim
29 words
A polyarylamine polymer according to claim 6 wherein said low molecular weight hydroxy group terminated arylamine polymer has a weight average molecular weight between about 1,000 and about 80,000.
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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) | 1995-10-13 | 1996-04-13 | 1996-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-10-13 | 2000-04-13 | 2000-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-10-13 | 2004-04-13 | 2004-10-13 | $7700.00 | Window Closed / Lapsed |