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. 20, 1976
Filed:
Oct. 09, 1973
Applicant:
Inventors:
Dieter Kuhlmann, Cologne, DT;
Herbert Bartl, Odenthal-Hahnenberg, DT;
Assignee:
Bayer Aktiengesellschaft, , DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
260 / ; 260 / ; 260 / ; 260 / ; 428523 ;
Abstract
Polymer dispersions having solids contents of from 45 to 65% by weight are continuously produced by copolymerizing a vinyl ester, ethylene and (meth)acrylamidoalkyl sulphonic acid or (meth)acryloyloxyalkyl sulphonic acid or ammonium or alkali salt thereof under an ethylene pressure of from 5 to 120 atms, at a temperature of from 0.degree. to 60.degree.C in the presence of an anionic emulsifier and with the aid of a free radical forming agent. The polymer dispersions are suitable as pigment binders.