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:
Feb. 03, 1998
Filed:
Mar. 18, 1996
Applicant:
Inventors:
Vincent Wilmet, Wavre, BE;
Francine Janssens, Vilvoorde, BE;
Assignee:
Solvay, Brussels, BE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
570166 ; 570168 ;
Abstract
Difluoromethane is produced by reaction, in the liquid phase, between dichloromethane and hydrogen fluoride, in the presence of a titanium or tin halide.