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:
Mar. 03, 1987
Filed:
Oct. 15, 1985
Applicant:
Inventors:
Richard C Hallcher, Maryland Heights, MO (US);
Zane V Zeable, Olivette, MO (US);
Assignee:
Monsanto Company, St. Louis, MO (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C25B / ;
U.S. Cl.
CPC ...
204 / ;
Abstract
Perfluoroalkanoic acids and perfluoroalkanols are prepared by electrolysis of perfluoroalkyl chlorides in the presence of carbon dioxide or an aldehyde, for example, trifluoroacetic acid is obtained from chlorotrifluoromethane and carbon dioxide while trifluoroethanol is obtained from chlorotrifluoromethane and formaldehyde.