US4929696A
Expired / Lapsed
US
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Bisacrylate monomers and polymers exhibiting nonlinear optical response
Assignee: CNA Holdings LLC
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Filing: 1989-11-13
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Granted: 1990-05-29
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Expires: 2009-11-13
Abstract
Abstract This invention provides novel bisacrylate monomers and thermoset polymers which exhibit nonlinear optical response. The polymers have utility as a transparent nonlinear optical component in optical light switch and light modulator devices. An invention bisacrylate monomer is illustrated by the following structure: ##STR1##
Inventors
- 👤 Ronald N. DeMartino
- 👤 Anthony J. East
- 👤 Gordon W. Calundann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:36
CPC Classifications
G; G02; G02F; G02F1/00; G02F1/35; G02F1/355; G02F1/361; G02F1/3611; C; C07; C07C; C07C219/00; C07C219/02; C07C219/04; C07C219/08; C07C255/00; C07C255/49; C07C255/58; C08; C08F; C08F20/00; C08F20/02; C08F20/10; C08F20/34
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
50 words
A process for producing a thermoset polymer product which comprises polymerizing a monomer corresponding to the formula: ##STR7## where R is a C 1 -C 4 alkyl substituent, R 1 is a divalent C 2 -C 12 alkylene radical, and X is --NO 2 , --CN or --CF 3 .
Claim 2
Dependent Claim
50 words
A process for producing a thermoset polymer product which comprises polymerizing a monomer corresponding to the formula: ##STR7## where R is a C 1 -C 4 alkyl substituent, R 1 is a divalent C 2 -C 12 alkylene radical, and X is --NO 2 , --CN or --CF 3 .
Claim 3
Dependent Claim
15 words
A process in accordance with claim 1 wherein the polymerization reaction is promoted by heating.
Claim 4
Dependent Claim
15 words
A process in accordance with claim 1 wherein the polymerization reaction is promoted with irradiation.
Claim 5
Dependent Claim
16 words
A process in accordance with claim 1 wherein the polymerization reaction is promoted with a catalyst.
Claim 6
Dependent Claim
19 words
A process in accordance with claim 1 wherein the thermoset polymer product is in the form of a film.
Claim 7
Dependent Claim
22 words
A process in accordance with claim 1 wherein the thermoset polymer product is in the form of a coating on a substrate.
Claim 8
Dependent Claim
20 words
A process in accordance with claim 1 wherein the thermoset polymer product is in the form of a molded structure.
Claim 9
Dependent Claim
15 words
A process in accordance with claim 1 wherein the thermoset polymer product is optically transparent.
Claim 10
Dependent Claim
23 words
A process in accordance with claim 1 wherein the thermoset polymer product is optically transparent and exhibits second order nonlinear optical susceptibility χ.sup.(2).
Claim 11
Dependent Claim
23 words
A process in accordance with claim 1 wherein the thermoset polymer product is optically transparent and exhibits third order nonlinear optical susceptibility χ.sup.(3).
Claim 12
Dependent Claim
12 words
A thermoset polymer produced in accordance with the process of claim 1.
References Cited (Backward Citations)
US4119610A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-05-28 | 1993-11-27 | 1994-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-05-28 | 1997-11-27 | 1998-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-05-28 | 2001-11-27 | 2002-05-29 | $7700.00 | Window Closed / Lapsed |