Shibahara; Yasuo
Patent Applications and Registrations
Patent applications and USPTO patent grants for Shibahara; Yasuo.The latest application filed is for "process for production of a water-in-oil polymer emulsion having an excellent fluidity using an acrylic monomer containing quarternary ammonium salt".
- Shibahara; Yasuo - Kyoto JP
| Patent | Date |
|---|---|
| Process for production of a water-in-oil polymer emulsion having an excellent fluidity using an acrylic monomer containing quarternary ammonium salt Grant 4,152,307 - Shibahara , et al. May 1, 1 | 1979-05-01 |
| Surface sizing compositions for paper Grant 4,115,331 - Tominaga , et al. * September 19, 1 | 1978-09-19 |
| Surface sizing of paper with an acrylic copolymer where scum formation is minimized Grant 4,030,970 - Tominaga , et al. * June 21, 1 | 1977-06-21 |
| Surface sizing compositions Grant 3,925,328 - Shibahara , et al. December 9, 1 | 1975-12-09 |
| Emulsifiable Oxidized Polyolefins Grant 3,692,877 - Shibahara , et al. September 19, 1 | 1972-09-19 |
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