US4703096A
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Novel diacetylenic and polydiacetylenic compositions
Assignee: CELANSES Corp
•
Filing: 1986-04-21
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Granted: 1987-10-27
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Expires: 2006-04-21
Abstract
Abstract This invention provides a novel class of diacetylenic monomers and corresponding polydiacetylenic polymers. Illustrative of the invention is a polymer characterized by the repeating unit: ##STR1## In the form of an optically transparent medium with a noncentrosymmetric alignment of molecules, the polymer exhibits exceptional second order nonlinear optical susceptibility effects.
Inventors
- 👤 Eui W. Choe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:08
CPC Classifications
C; C07; C07C; C07C255/00; C08; C08F; C08F38/00; G; G02; G02F; G02F1/00; G02F1/35; G02F1/355; G02F1/361; G02F1/3615; G02F1/3617; G03; G03C; G03C1/00; G03C1/72; G03C1/73; G03C1/733
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
32 words
A polymeric composition which is characterized by the recurring monomeric unit: ##STR18## where X is an electron-donating substituent; Y is an electron-withdrawing substituent; and n is an integer of at least 3.
Claim 2
Dependent Claim
32 words
A polymeric composition which is characterized by the recurring monomeric unit: ##STR18## where X is an electron-donating substituent; Y is an electron-withdrawing substituent; and n is an integer of at least 3.
Claim 3
Dependent Claim
72 words
A polydiacetylenic composition having anisotropic properties which is characterized by the recurring monomeric unit: ##STR19## where R and R 1 are alkyl groups containing between about 1-20 carbon atoms, and R and R 1 taken together with the connecting nitrogen atom form an alicyclic substituent; Y' is a substituent selected from nitro, cyano and trifluoromethyl radicals; and the weight average molecular weight of the polymer is in the range between about 1000-500,000.
Claim 4
Dependent Claim
72 words
A polydiacetylenic composition having anisotropic properties which is characterized by the recurring monomeric unit: ##STR19## where R and R 1 are alkyl groups containing between about 1-20 carbon atoms, and R and R 1 taken together with the connecting nitrogen atom form an alicyclic substituent; Y' is a substituent selected from nitro, cyano and trifluoromethyl radicals; and the weight average molecular weight of the polymer is in the range between about 1000-500,000.
Claim 5
Dependent Claim
31 words
A polydiacetylenic composition having nonlinear optical properties which is characterized by the recurring monomeric unit: ##STR20## where said polymer has a weight average molecular weight in the range between about 2000-100,000.
Claim 6
Dependent Claim
31 words
A polydiacetylenic composition having nonlinear optical properties which is characterized by the recurring monomeric unit: ##STR20## where said polymer has a weight average molecular weight in the range between about 2000-100,000.
Claim 7
Dependent Claim
31 words
A polydiacetylenic composition having nonlinear optical properties which is characterized by the recurring monomeric unit: ##STR21## where said polymer has a weight average molecular weight in the range between about 2000-100,000.
Claim 8
Dependent Claim
31 words
A polydiacetylenic composition having nonlinear optical properties which is characterized by the recurring monomeric unit: ##STR21## where said polymer has a weight average molecular weight in the range between about 2000-100,000.
Claim 9
Dependent Claim
31 words
A polydiacetylenic composition having nonlinear optical properties which is characterized by the recurring monomeric unit: ##STR22## where said polymer has a weight average molecular weight in the range between about 2000-100,000.
Claim 10
Dependent Claim
31 words
A polydiacetylenic composition having nonlinear optical properties which is characterized by the recurring monomeric unit: ##STR22## where said polymer has a weight average molecular weight in the range between about 2000-100,000.
Claim 11
Dependent Claim
38 words
A process for production of a polydiacetylenic composition which comprises polymerizing a diacetylene monomer corresponding to the formula: ##STR23## where X is an electron-donating substituent, Y is an electron-withdrawing substituent, and m is the integer one or two.
Claim 12
Dependent Claim
38 words
A process for production of a polydiacetylenic composition which comprises polymerizing a diacetylene monomer corresponding to the formula: ##STR23## where X is an electron-donating substituent, Y is an electron-withdrawing substituent, and m is the integer one or two.
Claim 13
Dependent Claim
13 words
A process in accordance with claim 6 wherein the X substituent is dimethylamino.
Claim 14
Dependent Claim
13 words
A process in accordance with claim 6 wherein the Y substituent is nitro.
Claim 15
Dependent Claim
13 words
A process in accordance with claim 6 wherein the Y substituent is cyano.
Claim 16
Dependent Claim
13 words
A process in accordance with claim 6 wherein the Y substituent is trifluoromethyl.
Claim 17
Dependent Claim
57 words
A nonlinear optical medium comprising a noncentrosymmetric configuration of aligned molecules of a polymer characterized by the recurring monomeric unit: ##STR24## where X is an electron-donating substituent; Y is an electron-withdrawing substituent; and n is an integer of at least 3; and wherein the nonlinear optical medium exhibits a Miller's delta of at least one square meter/coulomb.
Claim 18
Dependent Claim
57 words
A nonlinear optical medium comprising a noncentrosymmetric configuration of aligned molecules of a polymer characterized by the recurring monomeric unit: ##STR24## where X is an electron-donating substituent; Y is an electron-withdrawing substituent; and n is an integer of at least 3; and wherein the nonlinear optical medium exhibits a Miller's delta of at least one square meter/coulomb.
Claim 19
Dependent Claim
15 words
A nonlinear optical medium in accordance with claim 11 wherein the polymer is polymerized 1-(4-Dimethylaminophenyl)-4-(4-nitrophenyl)-1,3-butadiyne.
Claim 20
Dependent Claim
15 words
A nonlinear optical medium in accordance with claim 11 wherein the polymer is polymerized 1-(4-Dimethylaminophenyl)-4-(4-cyanophenyl)-1,3-butadiyne.
Claim 21
Dependent Claim
15 words
A nonlinear optical medium in accordance with claim 11 wherein the polymer is polymerized 1-(4-Dimethylaminophenyl)-4-(4-trifluoromethylphenyl)-1,3-butadiyne.
Claim 22
Dependent Claim
58 words
A nonlinear optical medium comprising a centrosymmetric configuration of polymeric molecules characterized by the recurring monomeric unit: ##STR25## where X is an electron-donating substituent; Y is an electron-withdrawing substituent; and n is an integer of at least 3; and wherein the nonlinear optical medium exhibits a third order optical susceptibility χ.sup.(3) value greater than about 10×10 -12 .
Claim 23
Dependent Claim
58 words
A nonlinear optical medium comprising a centrosymmetric configuration of polymeric molecules characterized by the recurring monomeric unit: ##STR25## where X is an electron-donating substituent; Y is an electron-withdrawing substituent; and n is an integer of at least 3; and wherein the nonlinear optical medium exhibits a third order optical susceptibility χ.sup.(3) value greater than about 10×10 -12 .
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-10-26 | 1991-04-27 | 1991-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-10-26 | 1995-04-27 | 1995-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-10-26 | 1999-04-27 | 1999-10-27 | $7700.00 | Window Closed / Lapsed |