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:
Jun. 02, 1998
Filed:
Feb. 02, 1996
Applicant:
Inventors:
Marie-Helene Charles, Condrieu, FR;
Thierry Delair, Lyons, FR;
Monique Jaubert, Craponne, FR;
Bernard F Mandrand, Villeurbanne, FR;
Assignee:
Bio Merieux, Marcy L'Etoile, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
5253278 ; 5253276 ; 525380 ;
Abstract
Water-soluble compound derived from a homopolymer or copolymer of maleic anhydride having available anhydride functional groups and hydrolyzed anhydride functional groups, wherein the hydrolyzed anhydride functional groups consist of carboxyl functional groups and functional groups derived from carboxyl functional groups carrying a residue of a compound corresponding to the formula I: