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. 17, 2020
Filed:
Nov. 30, 2017
Ustav Organicke Chemie a Biochemie Av Cr, V.v.i., Prague, CZ;
CF Plus Chemicals S.r.o., Brno-Bohunice, CZ;
Petr Beier, Prague, CZ;
Vaclav Matousek, Zliv, CZ;
Zsofia E. Blastik, Budapest, HU;
Svatava Voltrova, Velke Prilepy-Uholicky, CZ;
Ustav Organicke Chemie A Biochemie AV CR , v.v.i., Prague, CZ;
CF Plus Chemicals s.r.o., Brno-Bohunice, CZ;
Abstract
Process for the preparation of azidoperfluoroalkanes and azidopolyfluoroalkanes of general formula R—N, where Ris chosen from a group containing CF, CFH, CFXor RCFCF, where n is an integer in the range of 1 to 10, x is an integer in the range of 2 to 20, X is Cl, Br, or I, Ris Calkyl, ArO, ArS, imidazolyl, benzimidazolyl, or pyrazolyl and Ar is phenyl or substituted phenyl, by the reaction of electrophilic azidation reagent of general formula R—N, where Ris n-CFSO, ArSO, Br, I, with synthetic equivalent of polyfluoroalkylated carbanion of general formula [R].