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:
Mar. 10, 1992
Filed:
Dec. 27, 1989
Applicant:
Inventors:
Richard C Bopp, West Coxsackie, NY (US);
William J Ward, III, Schenectady, NY (US);
Assignee:
General Electric Company, Selkirk, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08J / ; C08L / ;
U.S. Cl.
CPC ...
521 60 ; 521 56 ; 521139 ;
Abstract
A simple process for producing expandable thermoplastic resin particles is provided wherein a desired amount of a blowing agent is added to a particulate thermoplastic resin in a closed vessel and the mixture is allowed to age at ambient conditions for a sufficient period of time to allow the resin to become impregnated with the blowing agent.