Yasuyuki Hatakeyama

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of preventing scale adhesion to the surfaces of a polymeriza...
- Patent number 6,291,600
- Issue date Sep 18, 2001
- Mitsui Chemicals, Inc.
- Seiichi Masuko
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of preventing scale adhesion to the surfaces of a polymeriza...
- Patent number 5,728,780
- Issue date Mar 17, 1998
- Mitsui Toatsu Chemicals, Inc.
- Seiichi Masuko
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of preventing scale adhesion to surfaces of polymerization t...
- Patent number 5,674,953
- Issue date Oct 7, 1997
- Mitsui Toatsu Chemicals, Inc.
- Seiichi Masuko
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of preventing scale adhesion to the surfaces of a polymeriza...
- Patent number 5,674,954
- Issue date Oct 7, 1997
- Mitsui Toatsu Chemicals, Inc.
- Seiichi Masuko
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for polymerizing vinyl chloride while inhibiting adhesion to...
- Patent number 5,147,948
- Issue date Sep 15, 1992
- Mitsui Toatsu Chemicals, Inc.
- Seiichi Masuko
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...