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:
Nov. 11, 2003
Filed:
Dec. 11, 2001
Applicant:
Inventors:
Marc Lemaire, Villeurbanne, FR;
Rob Ter Halle, Collonges Au Mont d'Or, FR;
Emmanuelle Schulz, Sainte-Foy-les-Lyon, FR;
Benoît Colasson, Sainte-Luce-sur-Loire, FR;
Michel Spagnol, Meyzieu, FR;
Christine Saluzzo, Lyons, FR;
Thierry Lamouille, Lyons, FR;
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
C08G 7/902 ;
U.S. Cl.
CPC ...
C08G 7/902 ;
Abstract
The invention concerns optically active polymers, obtainable by polymerizing chiral diphosphine having a C2 axis of symmetry, excluding all other symmetry element, with one or several polymerizable monomers, said chiral diphosphine consisting of a chiral body bearing two identical functional groups capable of reacting with said polymerizable monomers.