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. 30, 1979
Filed:
Oct. 24, 1975
Applicant:
Inventors:
Gundolf Fuchs, Buchholz, DE;
Dietrich Pirck, Reinbek, DE;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ; C08L / ; C08L / ; C08L / ;
U.S. Cl.
CPC ...
260 / ; 260 / ; 260 / ; 260 / ; 260 / ; 260850 ; 260855 ; 526 54 ; 526 55 ;
Abstract
Synthetic resins suitable for use in the preparation of baking varnishes are prepared by copolymerizing a vinyl aromatic hydrocarbon, an ester of an alpha, beta-unsaturated monocarboxylic such as an acrylate and an alpha, beta-unsaturated, dicarboxylic acid, such as maleic acid, in solution or dispersion, the carboxyl groups of which being esterified with alcohols, etc. to yield a half-ester copolymer and reacted with alkylene oxides to a low residual acid number after which the solution or dispersion is adjusted with regard to acid number through the addition of phosphoric acid.