Akira Ohta

Person

Chigasaki-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Cement dispersant, method for production thereof, and cement compos...
- Patent number 6,376,581
- Issue date Apr 23, 2002
- MBT Holding AG
- Yoshio Tanaka
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Cement composition using the dispersant of (meth)acrylic esters, (m...
- Patent number 6,187,841
- Issue date Feb 13, 2001
- MBT Holding AG
- Yoshio Tanaka
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Water-reducing admixtures for cementitious compositions
- Patent number 5,880,182
- Issue date Mar 9, 1999
- MBT Holding AG
- Yoshikazu Minomiya
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Flowability additive
- Patent number 5,716,447
- Issue date Feb 10, 1998
- MBT Holding AG
- Shigemi Matsuo
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Cement dispersing agent
- Patent number 5,660,626
- Issue date Aug 26, 1997
- Akira Ohta
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Fluidity control of cementitious compositions
- Patent number 5,661,206
- Issue date Aug 26, 1997
- MBT Holding AG
- Yoshio Tanaka
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Copolymers
- Patent number 5,612,396
- Issue date Mar 18, 1997
- Sandoz Ltd.
- Salvatore Valenti
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Lignosulfonic graft copolymer as a cement dispersant
- Patent number 4,977,227
- Issue date Dec 11, 1990
- Sandoz Ltd.
- Shin'ichi Negami
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

Information Patent Application
PROCESS FOR PREPARING ADDITIVE FOR CEMENTITIOUS MATERIALS, ADDITIVE...
- Publication number 20140216304
- Publication date Aug 7, 2014
- Construction Research & Technology GmbH
- Xiaohui Hou
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Person

Patents Grantslast 30 patents

Cement dispersant, method for production thereof, and cement compos...

Cement composition using the dispersant of (meth)acrylic esters, (m...

Water-reducing admixtures for cementitious compositions

Flowability additive

Cement dispersing agent

Fluidity control of cementitious compositions

Copolymers

Lignosulfonic graft copolymer as a cement dispersant

Patents Applicationslast 30 patents

PROCESS FOR PREPARING ADDITIVE FOR CEMENTITIOUS MATERIALS, ADDITIVE...