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:
Jun. 15, 1999
Filed:
Oct. 28, 1997
Applicant:
Inventors:
John Robert Stockwell, North Yorkshire, GB;
John Mark Plonka, West Yorkshire, GB;
Assignee:
Allied Colloids Limited, West Yorkshire, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
524306 ; 524317 ; 524376 ; 524378 ; 524812 ; 524818 ; 524819 ; 524820 ; 524821 ; 524822 ; 524823 ; 524824 ;
Abstract
The invention provides an aqueous polymer dispersion in which the copolymer is formed from 70 to 90% by weight alkyl methacrylate provided by 0 to 30% by weight C.sub.1-3 alkyl methacrylate and 50 to 90% by weight C.sub.4-12 alkyl methacrylate; 5 to 20% by weight styrene or alkyl styrene; 2 to 10% by weight water soluble ethylenically unsaturated monomer; 0.5 to 4% polyethylenically unsaturated monomer; and 0 to 4% carbonyl containing ethylenically unsaturated monomer. The dispersion of the invention is particularly suitable for incorporation into compositions for coating on wood.