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:
Oct. 03, 2000
Filed:
Apr. 14, 1997
Applicant:
Inventors:
Michael J Dohard, Boardman, OH (US);
John W Guyer, Akron, OH (US);
Vincent M Rasicci, Uniontown, OH (US);
Assignee:
OMNOVA Solutions Inc., Fairlawn, OH (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ; C08L / ; C08L / ;
U.S. Cl.
CPC ...
523201 ; 523200 ; 523205 ; 524504 ; 524822 ; 524832 ; 524834 ;
Abstract
A process of forming a seed polymer for use in an emulsion polymerization reaction. The process includes the steps of providing an aqueous mixture of styrene, emulsifying agent, initiator and at least one polymerizable di- or tri-carboxylic acid and then polymerizing the aqueous mixture in the presence of a nonpolymerizable di- or tri-carboxylic acid to form the seed polymer.