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:
Apr. 02, 2002
Filed:
Oct. 16, 2000
Applicant:
Inventors:
John Jennings, Bronx, NY (US);
Ted Deisenroth, Mobile, AL (US);
Marlon Haniff, West Orange, NJ (US);
Assignee:
Ciba Specialty Chemicals Corporation, Tarrytown, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 2/024 ; C08F 1/608 ; C07C 1/702 ; C07C 1/7278 ; C07C 1/907 ; C07C 1/908 ;
U.S. Cl.
CPC ...
C08F 2/024 ; C08F 1/608 ; C07C 1/702 ; C07C 1/7278 ; C07C 1/907 ; C07C 1/908 ;
Abstract
The invention concerns a process for the reaction of a perfluoroalkyl iodide of the formula CF (CF ) —I, where h is an integer from 4 to 18, with a compound having a terminal olefinic group, which comprises conducting said reaction in an aqueous medium containing 5 to 40% by weight of a water-soluble solvent and in the presence of from 0.02 to 0.5 equivalents of dithionite ion, based on the perfluoroalkyl iodide, at a temperature of from 0 to 40° C. and at a pH greater than 7.0.