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US4649207A Expired / Lapsed US ⏱️ 0.0 years remaining

Derivatives of diphenylhexafluoropropane

Assignee: Raytheon Co
•
Filing: 1986-05-13
•
Granted: 1987-03-10
•
Expires: 2006-05-13
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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 2026-11-04 20:33
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/09; C08K5/095; C07; C07C; 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 32 words
A diphenylhexafluoropropane 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 32 words
A diphenylhexafluoropropane 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 16 words
A diphenylhexafluoropropane compound according to claim 1 where X is a halogen and Y is hydrogen.
Claim 4
Dependent Claim 19 words
A diphenylhexafluoropropane compound 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 20 words
A diphenylhexafluoropropane compound according to claim 1 where R is an alkylene group having from 1 to 4 carbon atoms.
Claim 6
Dependent Claim 11 words
A diphenylhexafluoropropane compound according to claim 1 where R is trimethylsilyl.
Claim 7
Dependent Claim 20 words
A diphenylhexafluoropropane compound according to claim 1 where R is an epoxy group having from 1 to 4 carbon atoms.

References Cited (Backward Citations)

US3310573A Cited
GB1228007A Cited
US4374291A Cited
US4503254A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1990-03-09 1990-09-08 1991-03-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1994-03-09 1994-09-08 1995-03-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1998-03-09 1998-09-08 1999-03-10 $7700.00 Window Closed / Lapsed

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