Nishihira; Keigo
Patent Applications and Registrations
Patent applications and USPTO patent grants for Nishihira; Keigo.The latest application filed is for "process for producing alkyl nitrite".
- Nishihira; Keigo - Ube JP
- Nishihira; Keigo - Yamaguchi JP
| Patent | Date |
|---|---|
| Process for producing alkyl nitrite Grant 6,191,302 - Nishihira , et al. February 20, 2 | 2001-02-20 |
| Catalyst for decarbonylation reaction Grant 5,892,091 - Harada , et al. April 6, 1 | 1999-04-06 |
| Process for the preparation of a 2-alkyl-4-amino-5-aminomethylpyrimidine Grant 4,539,403 - Fujii , et al. September 3, 1 | 1985-09-03 |
| Process for preparing 4-amino-5-dialkoxy-methylpyrimidine derivatives Grant 4,492,792 - Fujii , et al. January 8, 1 | 1985-01-08 |
| Process for continuous preparation of diester of oxalic acid Grant 4,467,109 - Tahara , et al. August 21, 1 | 1984-08-21 |
| Process for preparing diesters of dicarboxylic acids Grant 4,260,810 - Umemura , et al. April 7, 1 | 1981-04-07 |
| Process for preparing diesters of malonic acid Grant 4,256,908 - Nishimura , et al. March 17, 1 | 1981-03-17 |
| Process for preparing a diester of oxalic acid in the gaseous phase Grant 4,229,591 - Nishimura , et al. October 21, 1 | 1980-10-21 |
| Process for preparing a diester of oxalic acid Grant 4,229,589 - Nishimura , et al. October 21, 1 | 1980-10-21 |
| Process for the preparation of dialkyl oxalates Grant 4,138,587 - Yamasaki , et al. February 6, 1 | 1979-02-06 |
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