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. 14, 1981
Filed:
Oct. 01, 1980
Applicant:
Inventor:
John P Spicuzza, Jr, Mt. Lebanon, PA (US);
Assignee:
ARCO Polymers, Inc., Philadelphia, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J / ;
U.S. Cl.
CPC ...
428407 ; 521 57 ; 521 88 ; 521 97 ;
Abstract
Expandable styrene polymer particles are surface-coated with decaglyceroloctaoleate to prevent the particles from lumping together during expansion. The coating is applied by adding 0.02-0.05 part of decaglyceroloctaoleate to an aqueous suspension containing 100 parts of polymer particles subsequent to impregnating the mixture with a blowing agent, or by dry blending polymer particles with the octaoleate.