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:
May. 04, 2004
Filed:
Jun. 08, 1998
Applicant:
Inventors:
Vincent Wilmet, Wavre, BE;
Francine Janssens, Vilvoorde, BE;
Jean-Paul Schoebrechts, Grez-Doiceau, BE;
Assignee:
Solvay (Societe Anonyme), , BE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 1/700 ; C07C 1/708 ; C07C 1/908 ; C07C 1/7266 ; C07C 2/118 ;
U.S. Cl.
CPC ...
C07C 1/700 ; C07C 1/708 ; C07C 1/908 ; C07C 1/7266 ; C07C 2/118 ;
Abstract
1,1,1,3,3-Pentafluoropropane is produced by reaction between 1,1,1,3,3-pentachloropropane and hydrogen fluoride in the presence of a hydrofluorination catalyst. The 1,1,1,3,3-pentachloropropane may advantageously be obtained by reaction between vinyl chloride and tetrachloromethane in the presence of a telomerization catalyst and of a nitrile.