Tadahisa Nakazawa

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Amorphous silica or silica-alumina spherical particles and process...
- Patent number 5,453,260
- Issue date Sep 26, 1995
- Mizusawa Industrial Chemicals, Ltd.
- Tadahisa Nakazawa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Alumina-silica resin additive
- Patent number 5,298,234
- Issue date Mar 29, 1994
- Mizusawa Industrial Chemicals, Ltd.
- Tadahisa Nakazawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Amorphous silica spherical particles
- Patent number 5,236,683
- Issue date Aug 17, 1993
- Mizusawa Industrial Chemicals, Ltd.
- Tadahisa Nakazawa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Preparation of amorphous silica-alumina particles by acid-treating...
- Patent number 5,236,680
- Issue date Aug 17, 1993
- Mizusawa Industrial Chemicals, Ltd.
- Tadahisa Nakazawa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Tetracosahedral siliceous particles and process for preparation the...
- Patent number 5,143,708
- Issue date Sep 1, 1992
- Mizusawa Industrial Chemicals, Ltd.
- Tadahisa Nakazawa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Stabilizer composition for chlorine-containing polymers and process...
- Patent number 5,133,899
- Issue date Jul 28, 1992
- Mizusawa Industrial Chemicals, Ltd.
- Tadahisa Nakazawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Inorganic filler and process for production thereof
- Patent number 4,626,290
- Issue date Dec 2, 1986
- Mizusawa Industrial Chemicals, Ltd.
- Tadahisa Nakazawa
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for preparation of zeolite slurry excellent in static stabi...
- Patent number 4,622,166
- Issue date Nov 11, 1986
- Mizusawa Kagaku Kogyo Kabushiki Kaisha
- Tadahisa Nakazawa
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...

Tadahisa Nakazawa

Person

Patents Grantslast 30 patents

Amorphous silica or silica-alumina spherical particles and process...

Alumina-silica resin additive

Amorphous silica spherical particles

Preparation of amorphous silica-alumina particles by acid-treating...

Tetracosahedral siliceous particles and process for preparation the...

Stabilizer composition for chlorine-containing polymers and process...

Inorganic filler and process for production thereof

Process for preparation of zeolite slurry excellent in static stabi...