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:
Aug. 09, 1994
Filed:
Sep. 25, 1992
Applicant:
Inventors:
Johannes Eicher, Garbsen, DE;
Karl-Heinz Fazniewscy, Lehrte, DE;
Matthias Rieland, Hanover all of, DE;
Werner Rudolph, Hanover all of, DE;
Assignee:
Solvay Fluor und Derivate GmbH, Hanover, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
570168 ; 570165 ; 570167 ;
Abstract
A method of preparing CH.sub.2 FCF.sub.3 from fluorodichloro-ethylene using a catalytically active niobium, tantalum or molybdenum fluorosulfonate compound or a catalyst mixture which comprises a niobium, tantalum or molybdenum halide and a sulfonic acid derivative.
Eicher, Johannes. (1994). Method of preparing 1,1,1,2-tetrafluoroethane (U.S. Patent No. 5336817). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5336817
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile