| Patent Number |
Title Of Patent |
Date Issued |
| 7205348 |
Rubber composition and method of making same |
April 17, 2007 |
| 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 s |
| 7053137 |
Azodicarbonamide treatment for carbon black and rubber compounds |
May 30, 2006 |
| A process for producing cured rubber is disclosed wherein the process comprises: A) mixing rubber, carbon black, and azodicarbonamide without other curative ingredients; B) adding the remaining curative ingredients in one or more subsequent mixing steps; and then C) curing the rubber; |
| 6753374 |
Rubber compositions and method for increasing the Mooney Scorch value |
June 22, 2004 |
| A rubber composition is disclosed wherein the rubber composition contains at least (a) a rubber component; (b) a silica filler; and, (c) at least one thiuram disulfide accelerator, it being provided that diphenyl guanidine is substantially absent in the rubber composition. The compos |
| 6635700 |
Mineral-filled elastomer compositions |
October 21, 2003 |
| A composition of matter is disclosed wherein the composition comprises: A) at least one latent mercaptosilane coupling agent; and B) at least one additional mercaptan.Preferably, the composition comprises: A) at least one sulfur vulcanizable rubber; B) at least one latent mercaptosilane |
| 6620875 |
Rubber compositions and method for increasing the mooney scorch value |
September 16, 2003 |
| A rubber composition is disclosed wherein the rubber composition contains at least (a) a rubber component; (b) a silica filler; (c) a coupling agent; (d) a cure-enhancing amount of at least one polyalkylene oxide; and (e) at least one high molecular weight thiuram disulfide. The composit |