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:
May. 19, 1987
Filed:
Jun. 06, 1985
Applicant:
Inventors:
William H Keskey, Midland, MI (US);
Richard A Willency, Midland, MI (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ; C08L / ; C08L / ;
U.S. Cl.
CPC ...
524547 ; 524521 ; 524522 ; 524555 ; 524556 ; 524558 ; 524813 ; 524814 ; 524817 ; 524819 ; 524820 ; 524833 ; 5253285 ; 5253288 ; 5253302 ; 526286 ; 526301 ; 5263076 ; 526313 ;
Abstract
An oxidation resistant thickening composition of matter comprising a liquid emulsion copolymer comprising about 0.10 to 50 parts by weight of at least one antioxidant monomer and at least 20 parts by weight of at least one unsaturated carboxylic acid monomer is prepared and used.