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:
Nov. 29, 1988
Filed:
Dec. 28, 1987
Applicant:
Inventors:
Motonobu Kubo, Toyonaka, JP;
Sinji Tamaru, Suita, JP;
Assignee:
Daikin Industries, Ltd., Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
560 65 ;
Abstract
The present invention provides a perfluoroalkenyloxybenzoic acid derivative of the formula ##STR1## wherein X is perfluoroalkenyl group having 6 to 14 carbon atoms, and process for preparing the same. Further, the present invention provides a prepolymer of a perfluoroalkenyloxybenzoic acid derivative comprising a repeating unit of the formula ##STR2## wherein X is same as above, and a repeating unit having one double bond and derived from the cleavage of double bond of a diene compound.