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:
Oct. 15, 1991
Filed:
Nov. 21, 1990
Gilles Drivon, Saint-Martin-En-Haut, FR;
Pierre Durual, Vernaison, FR;
Elie Ghenassia, Grenoble, FR;
Societe Atochem, Puteaux, FR;
Abstract
The invention relates to the preparation of perfluoroalkyl bromides or bromoperfluoroalkanes C.sub.n F.sub.2n+1 -Br (n=1 to 20). A perfluoroalkanesulphonyl chloride C.sub.n F.sub.2n+1 -SO.sub.2 Cl is reacted with a compound of formula: ##STR1## in which X represents a nitrogen or phosphorus atom and R.sup.1, R.sup.2, R.sup.3 and R.sup.4, which may be identical or different, each represent an optionally substituted hydrocarbon radical, it also being possible for one of these symbols to be a hydrogen atom.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile