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:
Sep. 19, 2006
Filed:
May. 03, 2002
Zofia Agnieszka Wilczewska, Bialystok, PL;
Mathias Destarac, Paris, FR;
Samir Zard, Gif-sur-Yvette, FR;
Chakib Kalai, Paris, FR;
Gérard Mignani, Lyons, FR;
Hervé Adam, Princeton, NJ (US);
Zofia Agnieszka Wilczewska, Bialystok, PL;
Mathias Destarac, Paris, FR;
Samir Zard, Gif-sur-Yvette, FR;
Chakib Kalai, Paris, FR;
Gérard Mignani, Lyons, FR;
Hervé Adam, Princeton, NJ (US);
Rhodia Chimie, Boulogne-Billancourt Cedex, FR;
Abstract
The invention concerns a method for preparing a polymer, comprising a step which consists in contacting: (A) at least a living organic polymer having at its chain end a dithiocarbonylated or dithiophosphorylated function capable of being reactivated; (B) at least a source of free radicals; and (C) at least an organic compound bearing a labile hydrogen atom, whereby the dithiocarbonylated or dithiophosphorylated function present on said living organic polymer is substituted by a hydrogen atom.