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Patent applications and USPTO patent grants for Crawford; Roger A..The latest application filed is for "high solids aqueous silica slurry".
Patent | Date |
---|---|
High solids aqueous silica slurry Grant 5,030,286 - Crawford , et al. July 9, 1 | 1991-07-09 |
Halophor composition Grant 4,894,241 - Chakrabarti , et al. January 16, 1 | 1990-01-16 |
Process for producing calcium hypochlorite Grant 4,328,200 - Welch , et al. May 4, 1 | 1982-05-04 |
Method of decomposing hypochlorite ion in a basic solution Grant 4,297,333 - Crawford , et al. October 27, 1 | 1981-10-27 |
Soft-settling silica flatting agent Grant 4,263,051 - Crawford , et al. April 21, 1 | 1981-04-21 |
Soft-settling fluosilicate-treated silica flatting agent Grant 4,095,994 - Crawford , et al. June 20, 1 | 1978-06-20 |
Dispersible silica pigment Grant 3,902,915 - Crawford , et al. September 2, 1 | 1975-09-02 |
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