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. 09, 1978
Filed:
Oct. 26, 1976
Applicant:
Inventors:
Ernst Roos, Odenthal-Osenau, DT;
Gunter Langner, Leverkusen, DT;
Theo Kempermann, Cologne, DT;
Wolfgang Redetzky, Leverkusen, DT;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
260 / ; 252407 ; 260 / ; 260800 ; 526295 ;
Abstract
Cyclic acetals which may be obtained by reacting tri- to hexa-ols with tetrahydrobenzaldehydes can be used as non-discoloring stabilizers for natural and/or synthetic rubber against ozone attack.