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:
Apr. 29, 1997
Filed:
Dec. 19, 1995
Applicant:
Inventors:
Assignee:
Roehm GmbH Chemishe Fabrik, Darmstadt, DE;
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
5263297 ; 526 89 ; 526319 ; 526326 ; 526328 ; 5263285 ; 526329 ; 5263291 ; 5263292 ; 526909 ; 526911 ;
Abstract
The invention relates to a method for the production of poly(meth) acrylate particles with a particle diameter of 1-15 .mu.m, where the monomers M are polymerized according to the method of batch polymerization, with 20-50 parts by weight of monomer M in a liquid medium LM, consisting of 55-100% by weight of mineral oil, and with the addition of 0.1 to 5 parts by weight of a polymer emulsifier E and 0.05-5 parts by weight of a radical initiator.