Patent EP0230898A2 successfully refreshed from Google Patents.
EP0230898A2
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Polyvinyl polymers exhibiting nonlinear optical response
Assignee: Celanese Corp
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Filing: 1987-01-13
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Granted: —
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Expires: 2007-01-13
Abstract
Abstract This invention provides novel polyvinyl polymers which exhibit nonlinear optical response, and which have utility as a transparent optical component in electrooptic light modulator devices.An invention side chain liquid crystalline polyvinyl polymer is illustrated by poly[6-(4-nitrobiphenyloxy)hexyl methacrylatel:
Inventors
- 👤 Ronald N. De Martino
- 👤 Hyun-Nam Yoon
- 👤 James B. Stamatoff
- 👤 Alan Buckley
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-05 14:37
CPC Classifications
G; G02; G02F; G02F1/00; G02F1/35; G02F1/355; G02F1/361; G02F1/3615; G02F1/3617; C; C08; C08F; C08F246/00; C09; C09K; C09K19/00; C09K19/04; C09K19/38; C09K19/3833; C09K19/3842; C09K19/3852
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
77 words
A polymer which is characterized by a recurring monomeric unit corresponding to the formula: where P ' is a main chain polyvinyl polymer; m is an integer of at least 3; S` is a flexible spacer group having a linear chain length of between about 1-25 atoms; X is -NR- or -S-; R is hydrogen or a C l - C 4 alkyl group; Y is or and Z is an electron-donating group or an electron-withdrawing group.
Claim 2
Dependent Claim
77 words
A polymer which is characterized by a recurring monomeric unit corresponding to the formula: where P ' is a main chain polyvinyl polymer; m is an integer of at least 3; S` is a flexible spacer group having a linear chain length of between about 1-25 atoms; X is -NR- or -S-; R is hydrogen or a C l - C 4 alkyl group; Y is or and Z is an electron-donating group or an electron-withdrawing group.
Claim 3
Dependent Claim
17 words
A polymer in accordance with claim 1 wherein the polyvinyl polymer contains a recurring acrylate monomeric unit.
Claim 4
Dependent Claim
18 words
A polymer in accordance with claim 1 wherein the polyvinyl polymer contains a recurring vinyl halide monomeric unit.
Claim 5
Dependent Claim
18 words
A polymer in accordance with claim 1 wherein the polyvinyl polymer contains a recurring vinyl carboxylate monomeric unit.
Claim 6
Dependent Claim
17 words
A polymer in accordance with claim 1 wherein the polyvinyl polymer contains a recurring alkene monomeric unit.
Claim 7
Dependent Claim
17 words
A polymer in accordance with claim 1 wherein the polyvinyl polymer contains a recurring arylvinyl monomeric unit.
Claim 8
Dependent Claim
11 words
A polymer in accordance with claim 1 wherein X is -NR-.
Claim 9
Dependent Claim
11 words
A polymer in accordance with claim 1 wherein X is -S-.
Claim 10
Dependent Claim
13 words
A polymer in accordance with claim 1 wherein Z is an electron-donating group.
Claim 11
Dependent Claim
13 words
A polymer in accordance with claim 1 wherein Z is an electron-withdrawing group.
Claim 12
Dependent Claim
56 words
A polymer which is characterized by a recurring monomeric unit corresponding to the formula: where m 1 is an integer of at least 5; n is an integer between about 4-20; X is -NR 1 - or -S- ; R is hydrogen or methyl; and Z 1 is -NO 2 , -CN or -CF 3 .
Claim 13
Dependent Claim
56 words
A polymer which is characterized by a recurring monomeric unit corresponding to the formula: where m 1 is an integer of at least 5; n is an integer between about 4-20; X is -NR 1 - or -S- ; R is hydrogen or methyl; and Z 1 is -NO 2 , -CN or -CF 3 .
Claim 14
Dependent Claim
14 words
A polymer in accordance with claim 11 wherein x 1 is -NR 1 -.
Claim 15
Dependent Claim
12 words
A polymer in accordance with claim 11 wherein x 1 is -S-.
Claim 16
Dependent Claim
15 words
A polymer in accordance with claim 11 wherein the polymer exhibits a liquid crystalline phase.
Claim 17
Dependent Claim
51 words
A thermotropic liquid crystalline polymer which is characterized by a recurring monomeric unit corresponding to the formula: where m 1 is an integer of at least 5; n 1 is an integer between about 4-20; X 2 is -NR 1- , -0- or -S-; and R 1 is hydrogen or methyl.
Claim 18
Dependent Claim
51 words
A thermotropic liquid crystalline polymer which is characterized by a recurring monomeric unit corresponding to the formula: where m 1 is an integer of at least 5; n 1 is an integer between about 4-20; X 2 is -NR 1- , -0- or -S-; and R 1 is hydrogen or methyl.
Claim 19
Dependent Claim
14 words
A liquid crystalline polymer in accordance with claim 15 wherein X 2 is -NH-.
References Cited (Backward Citations)
No citation records indexed.
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