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:
Jun. 11, 2002
Filed:
May. 28, 1999
Applicant:
Inventor:
Masao Yoshino, Toyota, JP;
Assignee:
Neo-Ex Lab, Inc., Toyota, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J 9/10 ;
U.S. Cl.
CPC ...
C08J 9/10 ;
Abstract
Foam precursor materials are taught comprising an epoxy resin having an epoxy equivalents value of about 300-4000, a curing agent and a foaming agent. The foam precursor materials may be expanded and cured by heat to form foam materials that exhibit excellent rigidity. The resulting foam materials may have a compression strength of about 200-2000 Kgf and a density of about 0.20 to 0.40 grams per cubic centimeter.