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. 29, 1982
Filed:
Feb. 27, 1981
Applicant:
Inventors:
Louis G Anello, Hamburg, NY (US);
Michael Van Der Puy, Cheektowaga, NY (US);
Martin A Robinson, East Amherst, NY (US);
Richard E Eibeck, Orchard Park, NY (US);
Assignee:
Allied Corporation, Morris Township, Morris County, NJ (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568386 ;
Abstract
A process for the preparation of hexafluoroacetone which comprises contacting, in the liquid phase, hexafluorothioacetone dimer in the presence of an aprotic solvent containing a catalytic amount of an alkali metal fluoride with a gaseous oxidant selected from the group consisting of air, O.sub.2, O.sub.3, NO.sub.2 and NO is disclosed. The preferred aprotic solvent is dimethylformamide, and the preferred gaseous oxidant is O.sub.2.