Toshio Katoh

Person

Kawaguchi-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Production process of polysuccinimide
- Patent number 6,657,041
- Issue date Dec 2, 2003
- Mitsui Chemicals, Inc.
- Katsuhiko Machida
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Production process of cross-linked polysuccinimide resin
- Patent number 6,346,569
- Issue date Feb 12, 2002
- Mitsui Chemicals, Inc.
- Yoshihiro Irizato
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Production process of cross-linked polyaspartic acid resin
- Patent number 6,072,024
- Issue date Jun 6, 2000
- Mitsui Chemicals, Inc.
- Yoshihiro Irizato
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Cross-linked polymer
- Patent number 5,986,042
- Issue date Nov 16, 1999
- Mitsui Chemicals, Inc.
- Yoshihiro Irizato
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymer containing monomer units of chemically modified polyasparti...
- Patent number 5,571,889
- Issue date Nov 5, 1996
- Mitsui Toatsu Chemicals, Inc.
- Toshio Katoh
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Preparation of N-protected .alpha.-L-aspartyl-L-phenylalanine methy...
- Patent number 5,302,743
- Issue date Apr 12, 1994
- Mitsui Toatsu Chemicals, Inc.
- Toshio Katoh
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Separation method of .alpha.-l-aspartyl-l-phenylalanine methyl ester
- Patent number 5,283,357
- Issue date Feb 1, 1994
- Mitsui Toatsu Chemicals, Incorporated
- Toshio Katoh
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for preparing .alpha.-L-aspartyl-L-phenylalanine methyl ester
- Patent number 5,206,413
- Issue date Apr 27, 1993
- Mitsui Toatsu Chemicals, Incorporated
- Masanobu Ajioka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation and isolation of mineral acid salt of an amino acid met...
- Patent number 5,113,009
- Issue date May 12, 1992
- Mitsui Toatsu Chemicals, Incorporated
- Masanobu Ajioka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation process of .alpha.-l-aspartyl-l-phenylalanine methyl es...
- Patent number 4,962,222
- Issue date Oct 9, 1990
- Mitsui Toatsu Chemicals, Incorporated
- Ryuichi Mita
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation process of .alpha.-l-aspartyl-l-phenyl-alanine methyl e...
- Patent number 4,918,216
- Issue date Apr 17, 1990
- Mitsui Toatsu Chemicals, Incorporated
- Ryuichi Mita
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Isolation of alpha-l-aspartyl-l-phenylalanine methyl ester from aqu...
- Patent number 4,897,506
- Issue date Jan 30, 1990
- Mitsui Toatsu Chemicals, Incorporated
- Ryuichi Mita
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation process of .alpha.-L-aspartyl-L-phenylalanine methyl ester
- Patent number 4,801,732
- Issue date Jan 31, 1989
- Mitsui Toatsu Chemicals, Incorporated
- Ryuichi Mita
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation process of .alpha.-L-aspartyl-L-phenylalanine methyl es...
- Patent number 4,780,561
- Issue date Oct 25, 1988
- Mitsui Toatsu Chemicals, Inc.
- Ryuichi Mita
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation process of .alpha.-L-aspartyl-L-phenylalanine methyl es...
- Patent number 4,778,916
- Issue date Oct 18, 1988
- Mitsui Toatsu Chemicals, Inc.
- Ryuichi Mita
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation process of N-formyl-.alpha.-aspartyl phenylalanine
- Patent number 4,745,210
- Issue date May 17, 1988
- Mitsui Toatsu Chemicals, Incorporated
- Ryuichi Mita
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation process of N-acylphenylalanines
- Patent number 4,675,439
- Issue date Jun 23, 1987
- Mitsui Toatsu Chemicals, Incorporated
- Ryuichi Mita
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing N-acylphenylalanines
- Patent number 4,612,388
- Issue date Sep 16, 1986
- Mitsui Toatsu Chemicals, Incorporated
- Ryuichi Mita
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for production of .beta.-phenylserine
- Patent number 4,605,759
- Issue date Aug 12, 1986
- Mitsui Toatsu Chemicals, Inc.
- Ryuichi Mita
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation process of .beta.-chloroalanine
- Patent number 4,484,003
- Issue date Nov 20, 1984
- Mitsui Toatsu Chemicals, Incorporated
- Masaharu Ohoka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production process of DL-cystein
- Patent number 4,453,008
- Issue date Jun 5, 1984
- Mitsui Toatsu Chemicals, Inc.
- Ryuichi Mita
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Crosslinked polymide compound and use thereof
- Publication number 20070117960
- Publication date May 24, 2007
- Mitsui Chemicals Inc.
- Hisashi Kizuka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Toshio Katoh

Person

Patents Grantslast 30 patents

Production process of polysuccinimide

Production process of cross-linked polysuccinimide resin

Production process of cross-linked polyaspartic acid resin

Cross-linked polymer

Polymer containing monomer units of chemically modified polyasparti...

Preparation of N-protected .alpha.-L-aspartyl-L-phenylalanine methy...

Separation method of .alpha.-l-aspartyl-l-phenylalanine methyl ester

Method for preparing .alpha.-L-aspartyl-L-phenylalanine methyl ester

Preparation and isolation of mineral acid salt of an amino acid met...

Preparation process of .alpha.-l-aspartyl-l-phenylalanine methyl es...

Preparation process of .alpha.-l-aspartyl-l-phenyl-alanine methyl e...

Isolation of alpha-l-aspartyl-l-phenylalanine methyl ester from aqu...

Preparation process of .alpha.-L-aspartyl-L-phenylalanine methyl ester

Preparation process of .alpha.-L-aspartyl-L-phenylalanine methyl es...

Preparation process of .alpha.-L-aspartyl-L-phenylalanine methyl es...

Preparation process of N-formyl-.alpha.-aspartyl phenylalanine

Preparation process of N-acylphenylalanines

Process for producing N-acylphenylalanines

Process for production of .beta.-phenylserine

Preparation process of .beta.-chloroalanine

Production process of DL-cystein

Patents Applicationslast 30 patents

Crosslinked polymide compound and use thereof