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:
Jul. 14, 1981
Filed:
Aug. 14, 1980
Siegfried Wolff, Bornheim-Merten, DE;
Ewe-Hong Tan, Bruhl, DE;
Degussa Aktiengesellschaft, Frankfurt, DE;
Abstract
There is prepared a vulcanizable rubber mixture of a vulcanizable halogen free rubber or a mixture of a halogen free rubber with a maximum of 80% based on the weight of the total rubber of a halogen containing rubber, additionally a silicate filler in an amount of 1 to 250 parts by weight, an oxide of the metal zinc, magnesium or lead in an amount of 0 to 15 parts by weight, a monobasic fatty acid having 12 to 24 carbon atoms in the alkyl chain, benzoic acid or salicylic acid in an amount of 0 to 10 parts by weight, optionally sulphur and/or sulphur donor in an amount of 0.1 to 15 parts by weight, a vulcanization accelerator in an amount of 0.1 to 10 parts by weight, a plasticizer in an amount of 0 to 100 parts by weight, a stabilizer from the group of antiagers, fatigue inhibitors, antioxidants, light protective agents and ozone protective agents in an amount of 0 to 10 parts by weight of each, carbon black in an amount of 0 to 150 parts by weight, optionally additional customary rubber assistants in customary amounts and at least one organosilane in an amount of 0.1 to 20 parts by weight, the silane corresponding to the formula