US4748273A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amphiphilic diacetylene compound containing benzene ring and film prepared therefrom
Assignee: Kanegafuchi Chemical Industry Co Ltd
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Filing: 1985-12-02
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Granted: 1988-05-31
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Expires: 2005-12-02
Abstract
Abstract Amphiphilic diacetylene compound having benzene ring. The compound can readily form a single crystal and is photopolymerizable. A stable monomolecular film or built-up film can be prepared from the diacetylene compound. The film is useful as various electronic materials and optoelectronic materials.
Inventors
- 👤 Kiyoshige Fukuda
- 👤 Yasunori Yoshioka
- 👤 Masakazu Uekita
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:28
CPC Classifications
C; C07; C07C; C07C57/00; C07C57/30; C07C57/42; B; B05; B05D; B05D1/00; B05D1/18; B05D1/20; B05D1/202; B82; B82Y; B82Y30/00; B82Y40/00; H; H10; H10K; H10K85/00; H10K85/10; H10K85/141; H10K85/143
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
18 words
An amphiphilic diacetylene compound having benzene ring of the formula (I): ##STR6## wherein "1", "m" and "n"≧0, 8≦l+m+n≦25;
Claim 2
Dependent Claim
18 words
An amphiphilic diacetylene compound having benzene ring of the formula (I): ##STR6## wherein "1", "m" and "n"≧0, 8≦l+m+n≦25;
Claim 3
Dependent Claim
13 words
The compound of claim 1, wherein "m" is 0 or "n" is 0.
References Cited (Backward Citations)
US3501297A
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US3999946A
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US4189399A
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EP0001695A1
Cited
JPS57143308A
Cited
US4562141A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-05-31 | 1991-11-30 | 1992-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-05-31 | 1995-11-30 | 1996-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-05-31 | 1999-11-30 | 2000-05-31 | $7700.00 | Window Closed / Lapsed |