Patent applications and USPTO patent grants for Kabushiki Kaisha Osaka Packing Seizosho.The latest application filed is for "shaped body of calcium silicate and process for producing same".
Patent | Date |
---|---|
Shaped body of calcium silicate and process for producing same Grant 4,647,499 - Takahashi , et al. March 3, 1 | 1987-03-03 |
Novel amorphous silica Grant 4,330,519 - Takahashi , et al. * May 18, 1 | 1982-05-18 |
Calcium silicate and process for producing same Grant 4,298,386 - Kubo , et al. November 3, 1 | 1981-11-03 |
Novel amorphous silica, and products thereof Grant 4,230,765 - Takahashi , et al. October 28, 1 | 1980-10-28 |
Shaped bodies of calcium silicate and process for producing same Grant 4,162,924 - Kubo , et al. July 31, 1 | 1979-07-31 |
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