US4707305A
Expired / Lapsed
US
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Naphthoquinodimethane compositions
Assignee: CNA Holdings LLC
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Filing: 1986-05-19
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Granted: 1987-11-17
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Expires: 2006-05-19
Abstract
Abstract This invention provides a novel class of naphthoquinodimethane compositions. Illustrative of the invention is 11,11-di(n-hexyldecylamino)-12,12-dicyano-2,6-naphthoquinodimethane: ##STR1## An invention naphthoquinodimethane compound has utility as a nonlinear optical component in an electrooptic light modulator device.
Inventors
- 👤 Eui W. Choe
- 👤 Alan Buckley
- 👤 Anthony F. Garito
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:49
CPC Classifications
C; C07; C07C; C07C255/00; C08; C08K; C08K5/00; C08K5/16; C08K5/315; C07C2603/00; C07C2603/02; C07C2603/40; C07C2603/42; C07C2603/50
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
61 words
A naphthoquinodimethane composition corresponding to the formula: ##STR12## where R and R 1 are substituents selected from hydrogen and aliphatic, alicyclic and aromatic groups containing between about 1-20 carbon atoms, and at least one of the R substituents is an electron-donating group, or the group ##STR13## is ##STR14## and at least one of the R 1 substituents is a cyano group.
Claim 2
Dependent Claim
61 words
A naphthoquinodimethane composition corresponding to the formula: ##STR12## where R and R 1 are substituents selected from hydrogen and aliphatic, alicyclic and aromatic groups containing between about 1-20 carbon atoms, and at least one of the R substituents is an electron-donating group, or the group ##STR13## is ##STR14## and at least one of the R 1 substituents is a cyano group.
Claim 3
Dependent Claim
18 words
A naphthoquinodimethane composition in accordance with claim 1 wherein at least one R substituent is an amino group.
Claim 4
Dependent Claim
17 words
A naphthoquinodimethane composition in accordance with claim 1 wherein the other R 1 is a nitro group.
Claim 5
Dependent Claim
17 words
A naphthoquinodimethane composition in accordance with claim 1 wherein the other R 1 is a trifluoromethyl group.
Claim 6
Dependent Claim
16 words
A naphthoquinodimethane composition in accordance with claim 1 wherein each R substituent is an amino group.
Claim 7
Dependent Claim
16 words
A naphthoquinodimethane composition in accordance with claim 1 wherein each R 1 is a cyano group.
Claim 8
Dependent Claim
19 words
A naphthoquinodimethane composition in accordance with claim 1 wherein at least one R 1 substituent is a chiral group.
Claim 9
Dependent Claim
25 words
A naphthoquinodimethane composition corresponding to the formula: ##STR15## where R is a substituent selected from hydrogen and alkyl groups containing between about 1-20 carbon atoms.
Claim 10
Dependent Claim
25 words
A naphthoquinodimethane composition corresponding to the formula: ##STR15## where R is a substituent selected from hydrogen and alkyl groups containing between about 1-20 carbon atoms.
Claim 11
Dependent Claim
1 words
11,11-diamino-12,12-dicyano-2,6-naphthoquinodimethane.
Claim 12
Dependent Claim
1 words
11,11-diamino-12,12-dicyano-2,6-naphthoquinodimethane.
Claim 13
Dependent Claim
1 words
11,11-di(n-butylamino)-12,12-dicyano-2,6-naphthoquinodimethane.
Claim 14
Dependent Claim
1 words
11,11-di(n-butylamino)-12,12-dicyano-2,6-naphthoquinodimethane.
Claim 15
Dependent Claim
1 words
11,11-ki(n-hexadecylamino)-12,12-dicyano-2,6-naphthoquinodimethane.
Claim 16
Dependent Claim
1 words
11,11-ki(n-hexadecylamino)-12,12-dicyano-2,6-naphthoquinodimethane.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-11-16 | 1991-05-18 | 1991-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-11-16 | 1995-05-18 | 1995-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-11-16 | 1999-05-18 | 1999-11-17 | $7700.00 | Window Closed / Lapsed |