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, 1993
Filed:
Jun. 28, 1991
Applicant:
Inventor:
Yen-Jer Shih, Somerset, NJ (US);
Assignee:
National Starch and Chemical Investment Holding Corporation, Wilmington, DE (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L / ; C08L / ;
U.S. Cl.
CPC ...
524832 ; 524813 ;
Abstract
An improved process for the production of paper coating binders wherein ethylene, vinyl ester and optional comonomers are polymerized using batch emulsion polymerization techniques and wherein the improvement comprises subjecting the emulsion to microfluidization to produce a particle size of less than about 0.5 microns prior to the emulsion polymerization step.