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. 23, 1999
Filed:
Mar. 06, 1998
Applicant:
Inventors:
Bernhard Schlarb, Ludwigshafen, DE;
Elmar Schwarzenbach, Romerberg, DE;
Walter Heckmann, Weinheim, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C08J / ; A61F / ; C08F / ;
U.S. Cl.
CPC ...
42721336 ; 4272133 ; 42721331 ; 42721334 ; 264 451 ; 264 453 ;
Abstract
Disclosed are a polymer in the form of particles more than 1 .mu.m in size which contain more than one void, an aqueous dispersion comprising this polymer, processes for the preparation thereof and the use thereof.