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:
Oct. 10, 1995
Filed:
Apr. 11, 1994
Applicant:
Inventor:
Harald Kleinknecht, Alzey, DE;
Assignee:
Rhein Chemie Rheinau GmbH, Mannheim, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
549408 ; 524110 ;
Abstract
An .alpha.-tocopherol preparation is disclosed which contains 40 to 80% by weight tocopherol, 10 to 40% by weight EPM rubber and 10 to 50% by weight neutral silicate filler or acrylate polymer. The composition is added during vulcanization of rubber to inhibit nitrosamine formation.