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:
May. 08, 1990
Filed:
Jun. 09, 1988
Applicant:
Inventor:
James F Freeland, Newport Beach, CA (US);
Assignee:
Dolco Packaging Corporation, Pico Rivera, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
C08J / ; B29C / ;
U.S. Cl.
CPC ...
264 53 ; 264D / ; 521 60 ; 521139 ;
Abstract
A volatile foaming agent for thermoplastic foam is a blend of about 65 to 75 weight percent chlorodifluoro-methane and from about 25 to 35 weight percent pentane.