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:
May. 22, 2007
Filed:
Jul. 28, 2003
Muriel Serradeil Albalat, Pertuis, FR;
Jean-claude Vallejos, Marseilles, FR;
Christian Roussel, Aubagne, FR;
Didier Wilhelm, Issy-les-Moulineaux, FR;
Muriel Serradeil Albalat, Pertuis, FR;
Jean-Claude Vallejos, Marseilles, FR;
Christian Roussel, Aubagne, FR;
Didier Wilhelm, Issy-les-Moulineaux, FR;
Clariant (France), Puteaux, FR;
Abstract
Process for the preparation of primary amines of formula (I): where R3 represents an alkyl, cycloalkyl or aralkyl group, by reaction of a triazolium salt of formula (II): where R1 and R2 represent hydrogen or an alkyl, aralkyl or aryl group, R4 represents an alkyl or aralkyl group or a residue of an organic polymer functionalized by an alkylating group, and Arepresents a halogen, alkylsulphonate, arylsulphonate, alkyl sulphate, hydrogensulphate, hemisulphate, perchlorate or hydroxide, with a hydride, in order to obtain an amine of formula (I), which is isolated, if desired, and intermediates.