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. 13, 1990
Filed:
Mar. 13, 1989
Applicant:
Inventors:
Lutz Hoppe, Walsrode, DE;
Wolfgang Koch, Bomlitz, DE;
Erhard Luhmann, Bomlitz, DE;
Michael Piepho, Fallingbostel, DE;
Assignee:
Wolff Walsrode Aktiengesellschaft, Walsrode, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ; C08L / ; C08L / ; C08L / ;
U.S. Cl.
CPC ...
524 31 ; 524 32 ; 524 37 ; 524 38 ; 524 39 ; 524 40 ; 524 41 ;
Abstract
Improved cellulose ester dispersions in the aqueous phase contain dispersed particles which contain cellulose esters, a polymerized monomer A having a polymerizable double bond and a polymerized monomer B having at least two polymerizable double bonds.