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:
Mar. 07, 1995
Filed:
Jul. 29, 1993
Applicant:
Inventors:
Michael Van Der Puy, Cheektowage, NY (US);
G V Madhavan, Amherst, NY (US);
Timothy R Demmin, Grand Island, NY (US);
Assignee:
AlliedSignal Inc., Morristownship, Morris County, NJ (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
570167 ; 570166 ; 570168 ; 570172 ;
Abstract
The invention relates to a process for preparing hydrofluorocarbons of the formulas CF.sub.3 (CH.sub.2 CF.sub.2).sub.n F comprising reacting at least one reactant selected from CCl.sub.3 (CH.sub.2 CCl.sub.2).sub.n Cl, CCl.sub.3 (CH.sub.2 CF.sub.2).sub.n Cl or CCl.sub.2 [(CH.sub.2 CF.sub.2)Cl].sub.2, where n=1 to 3, with hydrogen fluoride at a temperature of from about 25.degree. to about 200.degree. C.