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EP0306893A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Hydrazide-containing thermoplastic polymers exhibiting nonlinear optical response

Assignee: CNA Holdings LLC
•
Filing: 1988-09-06
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Granted: —
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Expires: 2008-09-06
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Abstract

Abstract In one embodiment this invention provides a nonlinear optical medium which is a transparent film of a thermoplastic polymer composed of recurring monomeric units corresponding to the formula:

Inventors

  • 👤 Eui Won Choe

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-06 02:13
CPC Classifications
G; G02; G02F; G02F1/00; G02F1/35; G02F1/355; G02F1/361; G02F1/3615; G02F1/3617; C; C08; C08F; C08F20/00; C08F20/02; C08F20/52; C08F20/54; C08F20/60

Claims Analysis

Total Claims: 27
Claim 1
Independent Claim 36 words
A thermoplastic polymer which is characterized by a recurring monomeric unit corresponding to the formula: where R is a substituent selected from hydrogen and C₁-C₄ alkyl groups; and m is an integer of at least 3.
Claim 2
Dependent Claim 36 words
A thermoplastic polymer which is characterized by a recurring monomeric unit corresponding to the formula: where R is a substituent selected from hydrogen and C₁-C₄ alkyl groups; and m is an integer of at least 3.
Claim 3
Dependent Claim 12 words
A thermoplastic polymer in accordance with claim 1 wherein R is hydrogen.
Claim 4
Dependent Claim 12 words
A thermoplastic polymer in accordance with claim 1 wherein R is methyl.
Claim 5
Dependent Claim 20 words
A thermoplastic polymer in accordance with claim 1 wherein the polymer has a weight average molecular weight between about 500-500,000.
Claim 6
Dependent Claim 25 words
A thermoplastic polymer in accordance with claim 1 wherein the recurring monomeric units comprise at least about 20 weight percent of the total polymer weight.
Claim 7
Dependent Claim 20 words
A thermoplastic polymer in accordance with claim 1 wherein the polymer additionally is characterized by recurring polymerized ethylene monomeric units.
Claim 8
Dependent Claim 21 words
A thermoplastic polmyer in accordance with claim 1 wherein the polymer additionally is characterized by recurring polymerized vinyl halide monomeric units.
Claim 9
Dependent Claim 20 words
A thermoplastic polymer in accordance with claim 1 wherein the polymer additionally is characterized by recurring polymerized arylethylene monomeric units.
Claim 10
Dependent Claim 24 words
A thermoplastic polymer in accordance with claim 1 wherein the polymer additionally is characterized by recurring polymerized acrylamide, methyacrylamide, N,N-dialkylacrylamide or N,N-dialkylmethacrylamide monomeric units.
Claim 11
Dependent Claim 22 words
A thermoplastic polymer in accordance with claim 1 wherein the polymer additionally is characterized by recurring polymerized acrylonitrile or methacrylonitrile monomeric units.
Claim 12
Dependent Claim 42 words
A transparent nonlinear optical medium comprising a thermoplastic polymer which is characterized by a recurring monomeric unit corresponding to the formula: where R is a substituent selected from hydrogen and C₁-C₄ alkyl groups; and m is an integer of at least 3.
Claim 13
Dependent Claim 42 words
A transparent nonlinear optical medium comprising a thermoplastic polymer which is characterized by a recurring monomeric unit corresponding to the formula: where R is a substituent selected from hydrogen and C₁-C₄ alkyl groups; and m is an integer of at least 3.
Claim 14
Dependent Claim 17 words
A nonlinear optical medium in accordance with claim 11 which is in the form of a film.
Claim 15
Dependent Claim 22 words
A nonlinear optical medium in accordance with claim 11 which is in the form of a coating on a transparent optical substrate.
Claim 16
Dependent Claim 18 words
A nonlinear optical medium in accordance with claim 11 wherein the medium has an external field-induced molecular orientation.
Claim 17
Dependent Claim 21 words
A nonlinear optical medium in accordance with claim 11 wherein the medium is noncentrosymmetric and exhibits second order nonlinear optical response.
Claim 18
Dependent Claim 21 words
A nonlinear optical medium in accordance with claim 11 wherein the medium is centrosymmetric and exhibits third order nonlinear optical response.
Claim 19
Dependent Claim 54 words
A light switch or light modulator device with a polymeric nonlinear optical component comprising a transparent solid medium of a polymer which is characterized by a recurring monomeric unit corresponding to the formula: where R is a substituent selected from hydrogen and C₁-C₄ alkyl groups; and m is an integer of at least 3.
Claim 20
Dependent Claim 54 words
A light switch or light modulator device with a polymeric nonlinear optical component comprising a transparent solid medium of a polymer which is characterized by a recurring monomeric unit corresponding to the formula: where R is a substituent selected from hydrogen and C₁-C₄ alkyl groups; and m is an integer of at least 3.
Claim 21
Dependent Claim 26 words
A polymerizable composition corresponding to the formula: where R is a substituent selected from hydrogen and C₁-C₄ alkyl groups, and Z is -NO₂, -CN or -CF₃.
Claim 22
Dependent Claim 26 words
A polymerizable composition corresponding to the formula: where R is a substituent selected from hydrogen and C₁-C₄ alkyl groups, and Z is -NO₂, -CN or -CF₃.
Claim 23
Dependent Claim 11 words
A composition in accordance with claim 18 wherein R is hydrogen.
Claim 24
Dependent Claim 11 words
A composition in accordance with claim 18 wherein R is methyl.
Claim 25
Dependent Claim 11 words
A composition in accordance with claim 18 wherein Z is p-nitro.
Claim 26
Dependent Claim 11 words
A composition in accordance with claim 18 wherein Z is p-cyano.
Claim 27
Dependent Claim 11 words
A composition in accordance with claim 18 wherein Z is p-trifluoromethyl.

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