Tosio Isida

Person

Ichihara, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Aromatic polyimide composite separating membrane
- Patent number 4,528,004
- Issue date Jul 9, 1985
- Ube Industries, Ltd.
- Hiroshi Makino
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Porous aromatic imide polymer membrane and a process for its manufa...
- Patent number 4,512,893
- Issue date Apr 23, 1985
- Ube Industries, Ltd.
- Hiroshi Makino
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for modifying porous polymeric membrane
- Patent number 4,486,376
- Issue date Dec 4, 1984
- Ube Industries, Ltd.
- Hiroshi Makino
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Production of aromatic polyimide separating membranes
- Patent number 4,485,056
- Issue date Nov 27, 1984
- Ube Industries, Ltd.
- Hiroshi Makino
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing porous aromatic polyimide membranes
- Patent number 4,474,662
- Issue date Oct 2, 1984
- UBE Industries, Ltd.
- Hiroshi Makino
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aromatic polyimide gas-separating membrane
- Patent number 4,474,858
- Issue date Oct 2, 1984
- Ube Industries, Ltd.
- Hiroshi Makino
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing aromatic polyimide composite separating membrane
- Patent number 4,440,643
- Issue date Apr 3, 1984
- Ube Industries, Ltd.
- Hiroshi Makino
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Tosio Isida

Person

Patents Grantslast 30 patents

Aromatic polyimide composite separating membrane

Porous aromatic imide polymer membrane and a process for its manufa...

Process for modifying porous polymeric membrane

Production of aromatic polyimide separating membranes

Process for producing porous aromatic polyimide membranes

Aromatic polyimide gas-separating membrane

Process for producing aromatic polyimide composite separating membrane