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:
Jul. 06, 1976
Filed:
Jun. 10, 1974
Applicant:
Inventors:
Inder Mani, Midland, MI (US);
Alexander Shand, Midland, MI (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21H / ; C08F / ;
U.S. Cl.
CPC ...
428511 ; 260 / ; 260 4221 ; 428514 ; 428537 ; 526304 ; 526346 ; 526 34 ;
Abstract
Paper coatings exhibiting improved pick resistance at lower binder levels are provided by incorporating into a conventional binder a pigment comprising a copolymer of an ethylenically unsaturated hard monomer such as styrene and an ethylenically unsaturated amide such as acrylamide in the form of non-film forming discrete particles having an average particle diameter in the range from about 0.25 to about 1 micrometer.