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Patent applications and USPTO patent grants for Sobottka; Richard.The latest application filed is for "anti-blocking agent and process for its manufacture".
Patent | Date |
---|---|
Anti-blocking agent and process for its manufacture Grant 6,066,691 - Sobottka , et al. May 23, 2 | 2000-05-23 |
Polyol-treated antiblocking aid Grant 5,609,679 - L uers , et al. March 11, 1 | 1997-03-11 |
Anti-blocking agent containing modified amorphous silica Grant 5,366,645 - Sobottka November 22, 1 | 1994-11-22 |
Combined antiblocking and lubricant concentrate Grant 4,675,122 - Luers , et al. June 23, 1 | 1987-06-23 |
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