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. 07, 1980
Filed:
Mar. 28, 1979
Applicant:
Inventors:
James R Erickson, Brunswick, OH (US);
Robert J Seidewand, Olmsted Falls, OH (US);
Assignee:
SCM Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ; C08L / ; C08L / ; C08F / ; C08F / ;
U.S. Cl.
CPC ...
260 / ; 260 / ; 260 / ; 260 / ; 525301 ; 525302 ; 525308 ; 525309 ; 525311 ;
Abstract
An improved two-step process for producing large size emulsion polymer particles includes the steps of providing uniform size polymer particles in the first stage followed by a controlled second stage monomer polymerization which overcomes stability problems in large size composite emulsion polymer particle systems, and is particularly useful in coatings, adhesives, and plastics.