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US4722985A
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Derivatives of diphenylhexafluoropropane and polymers thereof
Assignee: Raytheon Co
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Filing: 1986-12-01
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Granted: 1988-02-02
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Expires: 2006-12-01
Abstract
Abstract Derivatives of diphenylhexafluoropropane having the formula: ##STR1## where R is an unsubstituted or substituted alkylene, an epoxy, a silyl or alkoxysilyl group; and where X and Y are hydrogen or halogen. The derivatives are useful in formulating polymer structures.
Inventors
- 👤 Kreisler S. Y. Lau
- 👤 William J. Kelleghan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:34
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/09; C08K5/095; C07; C07C; C07C22/00; C07C22/02; C07C22/04; C07C22/08; C07C25/00; C07C25/18; C07C45/00; C07C47/00; C07C47/52; C07C47/55; C07C49/00; C07C49/76; C07C49/80; C07C49/813; C07C51/00; C07C51/15; C07D; C07D303/00; C07D303/02; C07D303/08; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0803; C07F7/081; C08G; C08G59/00; C08G59/18; C08G59/20; C08G59/22; C08G59/30; C08G59/32; C08G59/38; C08G85/00; C08K5/02; C08K5/03; C08K5/07
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
37 words
A polymer formed by polymerization of a compound having the formula: ##STR7## where R is an unsubstituted or substituted alkylene, an epoxy, a silyl or alkoxysilyl group, and where X and Y are hydrogen or a halogen.
Claim 2
Dependent Claim
37 words
A polymer formed by polymerization of a compound having the formula: ##STR7## where R is an unsubstituted or substituted alkylene, an epoxy, a silyl or alkoxysilyl group, and where X and Y are hydrogen or a halogen.
Claim 3
Dependent Claim
15 words
A polymer according to claim 1 where X is a halogen and Y is hydrogen.
Claim 4
Dependent Claim
18 words
A polymer according to claim 1 where R is vinyl, β-chlorovinyl, β-methylvinyl, (β-acetoxy)vinyl, β-phenylvinyl), β,β-dimethylvinyl, α-chlorovinyl, or (β-methoxycarbonyl-β-methyl)vinyl.
Claim 5
Dependent Claim
19 words
A polymer according to claim 1 where R is an alkylene group having from 1 to 4 carbon atoms.
Claim 6
Dependent Claim
10 words
A polymer according to claim 1 where R is trimethylsilyl.
Claim 7
Dependent Claim
18 words
A polymer according to claim 1 where R is an epoxy having from 1 to 4 carbon atoms.
References Cited (Backward Citations)
US4503254A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1991-02-01 | 1991-08-03 | 1992-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-02-01 | 1995-08-03 | 1996-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-02-01 | 1999-08-03 | 2000-02-02 | $7700.00 | Window Closed / Lapsed |