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:
Jun. 18, 1991
Filed:
Jun. 27, 1990
Applicant:
Inventors:
Silvana Modena, Monza, IT;
Ezio Strepparola, Treviglio, IT;
Assignee:
AUSIMONT S.r.l., Milan, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
562851 ;
Abstract
A process for preparing bromodifluoroacetylfluoride characterized in that a gaseous stream of oxygen-diluted ozone is reacted, at temperatures ranging from -100.degree. C. to +80.degree. C., with 1,4-dibromohexafluorobutene-2 optionally dissolved in a solvent which is inert under the reaction conditions, with consequent obtainment of the corresponding ozonide and, subsequently, the ozonide is subjected to a heat treatment at temperatures ranging from 100.degree. to 300.degree. C., with consequent obtainment of bromodifluoroacetylfluoride.