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:
Feb. 27, 1990
Filed:
Feb. 28, 1989
Applicant:
Inventor:
Richard B Allen, Pittsfield, MA (US);
Assignee:
General Electric Company, Pittsfield, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J / ;
U.S. Cl.
CPC ...
521 88 ; 521 79 ; 521 81 ; 521 95 ; 521 97 ; 521 98 ; 521139 ; 521180 ; 521182 ;
Abstract
A foamable composition comprises in admixture (a) a high molecular weight thermoplastic resin in particulate form and an effective amount of (b) a foaming agent therefor comprising a pumpable liquid dispersion comprising (i) a solid blowing agent, (ii) a liquid carrier, and, optionally, (iii) a thickener. The liquid dispersion can be pumped directly into the hopper of a foam molding machine eliminating the need to pre-mix pelletized concentrates of the solid blowing agent.