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. 06, 2001
Filed:
Sep. 21, 1999
Applicant:
Inventors:
Gennadii G. Belen'Kill, Moscow, RU;
Viacheslav A. Petrov, Hockessin, DE (US);
Paul R. Resnick, Cary, NC (US);
Assignee:
DISA, Geneva, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 2/118 ;
U.S. Cl.
CPC ...
C07C 2/118 ;
Abstract
A process is disclosed for forming adducts of the formula: RR,R,CCR,R,F or (FR,R,CCRR,CH,),where R is CH,, CH,F, or F(CF,),CH,CH,(where n is an integer from 1 to 10) each R,is H, Cl, F or CF,and each R,is H, F or CF,. The process in reacting a saturated compound of the formula RF with an olefin of the formula R,R,C═CR,R,in the liquid phase in the presence of antimony pentafluoride catalyst (provided that when (FR,R,CCR,R,CH,),is formed, the saturated compound is CH,CHF,or CH,FCH,F and anhydrous HF is present).