US4935479A
Expired / Lapsed
US
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Substituted silyl-terminated compounds and polymers thereof
Assignee: United States Department of the Navy
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Filing: 1987-07-14
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Granted: 1990-06-19
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Expires: 2007-07-14
Abstract
Abstract Polymer-ceramic networks in which the polymer chain is anchored in a ceramic network are formed from compounds of the formula <IMAGE> where X is R', OR', OH, H, Cl, or Br, X is R', OR', Cl, or Br, R' is an alkyl group having 1 to 8 carbon atoms, and R is selected from the group consisting of phenyl and a phenyl-substituted benzoxazole group, or oligomers thereof. Methods of forming the monomer, oligomer, and polymer are disclosed. Related phthalocyanine polymers are also disclosed.
Inventors
- 👤 Kreusler S. Y. Lau
- 👤 Abraham L. Landis
- 👤 Thomas K. Dougherty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:42
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/48; C08G77/50; C08G77/52; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0834; C07F7/0836; C07F7/0838; C07F7/0896; C07F7/18; C07F7/1804; C08G77/60
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
88 words
A compound having the formula ##STR22## where R is a benzoxazole group substituted with a phenylene group on the oxazole moiety, such that the fused benzene ring of the benzoxazole group is attached to the C 3 F 6 group and the phenylene group on the oxazole moiety is attached to the --SiXX' 2 group, X is OR', H, Cl, or Br, X' is OR', Cl, or Br, R' is alkyl group having 1 to 8 carbon atoms, and n is an integer from 1 to about 10.
Claim 2
Dependent Claim
88 words
A compound having the formula ##STR22## where R is a benzoxazole group substituted with a phenylene group on the oxazole moiety, such that the fused benzene ring of the benzoxazole group is attached to the C 3 F 6 group and the phenylene group on the oxazole moiety is attached to the --SiXX' 2 group, X is OR', H, Cl, or Br, X' is OR', Cl, or Br, R' is alkyl group having 1 to 8 carbon atoms, and n is an integer from 1 to about 10.
Claim 3
Dependent Claim
15 words
The compound of claim 1 wherein each --SiXX' 2 comprises (CH 3 O) 2 SiH.
Claim 4
Dependent Claim
15 words
The compound of claim 1 wherein each --SiXX' 2 comprises (CH 3 O) 2 SiOH.
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) | 1993-06-18 | 1993-12-18 | 1994-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-06-18 | 1997-12-18 | 1998-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-06-18 | 2001-12-18 | 2002-06-19 | $7700.00 | Window Closed / Lapsed |