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. 19, 1994
Filed:
Jun. 18, 1993
Applicant:
Inventors:
Atsuhiro Onishi, Takasago, JP;
Koichi Matsunami, Toyonaka, JP;
Masanao Ebara, Takasago, JP;
Hiroaki Tanaka, Takasago, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J / ;
U.S. Cl.
CPC ...
521 90 ; 521128 ; 548250 ; 548252 ;
Abstract
Blowing agents of tetrazoles and their derivatives which have a melting point over 200.degree. C. and are used to manufacture the high quality foaming thermoplastic synthetic resin moldings, especially engineering or superengineering plastic moldings and said blowing agents generate no harmful gases and do not cause the deterioration of the thermoplastic synthetic resin moldings.