Invention Grant
- Patent Title: Large sized carbon black particles to reduce needed mixing energy of high hardness, stiff tire compositions
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Application No.: US10068411Application Date: 2002-02-06
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Publication No.: US07019065B2Publication Date: 2006-03-28
- Inventor: Jamie J. McNutt , Nicole L. Squire , William J. O'Briskie
- Applicant: Jamie J. McNutt , Nicole L. Squire , William J. O'Briskie
- Applicant Address: US TN Nashville
- Assignee: Bridgestone/Firestone North American Tire, LLC
- Current Assignee: Bridgestone/Firestone North American Tire, LLC
- Current Assignee Address: US TN Nashville
- Agent Daniel J. Hudak; Meredith E. Palmer
- Main IPC: C08K3/34
- IPC: C08K3/34
Abstract:
A reinforced high viscosity rubber composition having improved processability such as reduced mixing cycles contains large sized particles of carbon black. The carbon black has low structure and a low DBP absorption number as well as a low iodine number. The rubber composition is useful in various tire rubber compositions such as those requiring a high viscosity, for example an apex rubber.
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