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. 06, 1988
Filed:
Nov. 16, 1987
Applicant:
Inventors:
Jun Okabe, Kitaibaraki, JP;
Haruyoshi Tatsu, Hitachi, JP;
Assignee:
Nippon Mektron Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07L / ;
U.S. Cl.
CPC ...
2605 / ;
Abstract
A useful carbonyl compound as an intermediate for producing perfluoro(lower alkyl vinyl ether) can be obtained by thermally decomposing a polyether compounds represented by the following general formulas at a temperature of about 180.degree. C.-about 400.degree. C. in the presence of an activated carbon catalyst: