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:
Apr. 21, 1981
Filed:
May. 07, 1980
Applicant:
Inventors:
Assignee:
Bayer Aktiengesellschaft, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K / ;
U.S. Cl.
CPC ...
252350 ; 224D / ; 521 89 ; 521 92 ; 521 95 ; 521134 ; 521139 ; 521140 ; 521143 ; 521149 ; 521150 ; 521180 ; 521182 ;
Abstract
A blowing agent combination comprising azodicarbonamide, zinc oxide and a benzenethiol sulphonic acid derivative having the general formula (I) ##STR1## wherein R is a hydrogen atom, a C.sub.1 -C.sub.4 alkyl radical and/or a chlorine atom,