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. 26, 1987
Filed:
Dec. 05, 1985
Applicant:
Inventor:
Kenneth G Phillips, River Forest, IL (US);
Assignee:
Nalco Chemical Company, Oak Brook, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
523205 ; 210728 ; 210734 ; 523333 ; 524110 ; 524375 ; 524916 ; 524922 ; 524555 ;
Abstract
A method of rapidly dissolving finely divided individual particles of water-soluble vinyl addition polymers which comprises adding to water which contains from 0.5 to 10% by weight of a water-soluble surfactant, dry particles of a vinyl addition polymer, which particles have been coated with an oil-soluble emulsifier to provide a discrete organic solvent-free coating about such individual particles, having an HLB value between 4 and 9.