The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 22, 1987
Filed:
Sep. 04, 1984
Applicant:
Inventors:
Kreisler S Lau, Alhambra, CA (US);
William J Kelleghan, Whittier, CA (US);
Assignee:
Hughes Aircraft Company, Los Angeles, CA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568 56 ; 524371 ; 526285 ; 568637 ;
Abstract
Ethynylphenyl derivatives of diphenylhexafluoropropane having the formula: ##STR1## where X is oxygen or sulfur and each of R, R.sub.1, or R.sub.2 is hydrogen or ethynyl. The compounds are useful in forming polymer structures, either homopolymers or copolymers.