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:
Jan. 07, 2003
Filed:
Sep. 06, 2001
Applicant:
Inventors:
Jean-Marc Ricca, Paris, FR;
Etienne Fleury, Irigny, FR;
Assignee:
Rhodia Chimie, Boulogne Billancourt Cedex, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J 2/32 ; C08G 6/302 ;
U.S. Cl.
CPC ...
C08J 2/32 ; C08G 6/302 ;
Abstract
Process of gelification of aqueous medium with a copolyester oligomer comprising essentially oxyalkylenated or ocycycloalkylenated or polyoxyalkylenated dicarboxylate units at least 35 mole % of said units being similar units of which the correspondent homolymer is crystalline, at least 7 mole % of said units being bearing units of hydrophobic(s) sulfonated functions, the molecular mass in weight of said copolyesters oligomer being less than 20,000. For example: the terephtalic polyoxyethylenated sulfonated oligomers of high content of polyethyleneterephtalate.