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:
Apr. 20, 1982
Filed:
Dec. 15, 1980
Applicant:
Inventors:
Louis G Anello, Hamburg, NY (US);
Michael Van Der Puy, Cheektowaga, NY (US);
Assignee:
Allied Corporation, Morris Township, Morris County, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
549 89 ;
Abstract
An improved process for the reaction of hexafluoropropene with elemental sulfur and alkali metal fluoride such as KF, in an aprotic solvent selected from the group consisting of acetonitrile dimethylacetamide, dimethylformamide, dimethyl sulfoxide and N-methyl pyrrolidone under substantially one atmosphere pressure and at tempertures of between about 25.degree. and 100.degree. C. is disclosed. The preferred alkali metal fluoride is KF and the preferred aprotic solvent is dimethylformamide.