Yoshitomi Fine Chemicals, Ltd.

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Patents Grantslast 30 patents

Information Patent Grant
Stabilizer for organic polymer material and organic polymer materia...
- Patent number 6,465,548
- Issue date Oct 15, 2002
- Yoshitomi Fine Chemicals, Ltd.
- Takeshi Inoue
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation of phosphonite compounds
- Patent number 6,437,164
- Issue date Aug 20, 2002
- Yoshitomi Fine Chemicals, Ltd.
- Masataka Yamamoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Phenol compound and use thereof
- Patent number 5,883,286
- Issue date Mar 16, 1999
- Yoshitomi Fine Chemicals, Ltd.
- Takeshi Inoue
- C07 - ORGANIC CHEMISTRY