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. 15, 1999
Filed:
Apr. 28, 1997
Applicant:
Inventors:
Assignee:
Solvay (Societe Anonyme), Brussels, BE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
570165 ; 570164 ;
Abstract
Process for the preparation of 2H-heptafluoropropane from hexafluoropropene and hydrogen fluoride in an apparatus equipped with bubble columns fitted with flow resistances, in which a liquid hydrofluoride of an organic base circulates.