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:
Nov. 03, 1998
Filed:
Jan. 14, 1997
Hans-Joachim Graf, Stratford, CA;
Volker Schafer, Altrip, DE;
Hartmut Schulz, Heidelberg, DE;
Erich Schmidt, Burstadt, DE;
Hans-Martin Issel, Shinmachi, JP;
Hans-Dieter Voss, Bruhl, DE;
Harald Kleinknecht, Alzey, DE;
Manfred Schweiger, Burstadt, DE;
Rhein Chemie Rheinau GmbH, Mannheim, DE;
Abstract
A vulcanization accelerator combination based on di-(C.sub.6 -C.sub.12 alkyl)dithiophosphates for vulcanizing non-polar rubbers, comprising the following components: (a) a di-(C.sub.6 -C.sub.12 alkyl)dithiophosphate; (b) one or more compounds selected from the group consisting of sulphenamides, thiazoles and carbamates; (c) sulfur and/or a sulfur donor; and (d) at least one additional accelerator compound having a specific chemical structure that is different from the chemical structure of component (a) and any of the compounds used as component (b) in said accelerator combination.