Invention Grant
- Patent Title: Dry clay powder for asphalt sealer and novel asphalt sealer
- Patent Title (中): 用于沥青封隔器和新型沥青封隔器的干粘土粉
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Application No.: US11593669Application Date: 2006-11-07
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Publication No.: US07641729B1Publication Date: 2010-01-05
- Inventor: Claud E. Westbrook , Russell J. Fish
- Applicant: Claud E. Westbrook , Russell J. Fish
- Applicant Address: US CT New Canaan
- Assignee: Unimin Corporation
- Current Assignee: Unimin Corporation
- Current Assignee Address: US CT New Canaan
- Agency: Fay Sharpe LLP
- Main IPC: C08L95/00
- IPC: C08L95/00 ; C04B14/10

Abstract:
A ball clay powder having a moisture content of less than 5% and at least about 25% of indigenous silica, said powder comprising a blend of at least two natural ball clays, wherein one of the ball clays is naturally silica rich and has at least about 40% indigenous silica.
Information query