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:
Dec. 14, 2004
Filed:
Mar. 01, 2002
Applicant:
Inventors:
Isabelle Betremieux, Coye la Foret, FR;
Christophe Dumousseaux, Villejuif, FR;
Bruno Feret, Saint Gratien, FR;
Jean-Jacques Flat, Serquigny, FR;
Assignee:
Atofina, Puteaux, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21H 2/116 ; D21H 1/745 ; C08F 2/28 ;
U.S. Cl.
CPC ...
D21H 2/116 ; D21H 1/745 ; C08F 2/28 ;
Abstract
The invention concerns a method for obtaining an aqueous dispersion of hydrophobic polymers dispersed in the form of particles with mean diameter less than 100 nm stablized soley with a macromolecular surfactant based on low molecular weight styrene/maleic anhydride imide copolymer. The invention also concerns the use of said dispersion for treating and sizing paper.