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:
Nov. 09, 1999
Filed:
May. 20, 1997
Applicant:
Inventors:
Assignee:
Ausimont S.p.A., Milan, IT;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
570166 ; 570169 ; 502228 ;
Abstract
Fluorination process of halogenated organic compounds with gaseous anhydrous HF characterized in that a catalyst comprising a supported Cr(III) amorphous compound is used, wherein the support consists in an aluminum trifluoride (AlF.sub.3) having an high surface area and an high pore volume obtainable by fluorination with gaseous HF of alumina having surface area of at least 150 m.sup.2 /g and pore volume not lower than 0.3 cc/g and wherein said alumina comprises from 0.5 up to 15% by weight of silicon oxide, the chromium amount being comprised between 1 and 20% by weight.