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:
Jan. 02, 1990
Filed:
Mar. 23, 1988
Applicant:
Inventor:
Willi Schossler, Cologne, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C23G / ;
U.S. Cl.
CPC ...
252364 ;
Abstract
N-Alkyl-benzenesulphonamides, the alkyl group of which is open-chain C.sub.1 -C.sub.12 -alkyl or C.sub.5 -C.sub.7 -cycloalkyl and the benzene nucleus of which can be substituted by C.sub.1 -C.sub.4 -alkyl, can be heat-stablized by 10-1,000 ppm of one or more 2-mercapto-benzimidazole compounds of the formula ##STR1## wherein R.sup.1 denotes hydrogen of a C.sub.1 -C.sub.4 -alkyl group and