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:
Apr. 17, 2007
Filed:
Apr. 07, 2004
Joseph F. Stieber, Prospect, CT (US);
Martin J. Hannon, Bethany, CT (US);
L. P. Felipe Chibante, Houston, TX (US);
James R. Korte, Katy, TX (US);
Frank E. Welsh, Sugarland, TX (US);
Joseph F. Stieber, Prospect, CT (US);
Martin J. Hannon, Bethany, CT (US);
L. P. Felipe Chibante, Houston, TX (US);
James R. Korte, Katy, TX (US);
Frank E. Welsh, Sugarland, TX (US);
Uniroyal Chemical Company, Inc., Middlebury, CT (US);
Abstract
Process of producing unvulcanized rubber useful for producing vulcanized rubber with improved hysteresis, which comprises mixing a composition comprising unvulcanized rubber, carbon black and xanthogen polysulfide at an elevated temperature in a non-productive stage and composition suitable for producing unvulcanized rubber useful for producing vulcanized rubber with improved hysteresis, which comprises unvulcanized rubber, a filler comprising carbon black and xanthogen polysulfide.