Hiroaki Ishibashi

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Minamatashi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing porous spherical cellulose particles
- Patent number 4,461,892
- Issue date Jul 24, 1984
- Chisso Corporation
- Masahiko Nishikawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for preparing porous spherical cellulose particles
- Patent number 4,390,691
- Issue date Jun 28, 1983
- Chisso Corporation
- Masahiko Nishikawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for preparing porous cellulose spherical particles
- Patent number 4,312,980
- Issue date Jan 26, 1982
- Chisso Corporation
- Yoshiaki Motozato
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for producing pure phosphoric acid
- Patent number 4,207,303
- Issue date Jun 10, 1980
- Chisso Corporation
- Hiroaki Ishibashi
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for producing organic fertilizers
- Patent number 4,180,392
- Issue date Dec 25, 1979
- Chisso Corporation
- Hiroaki Ishibashi
- C05 - FERTILISERS MANUFACTURE THEREOF