Hiroshi Nakaoka

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Process for producing MEK-modified resorcin/formalin resin parallel...
- Patent number 8,519,083
- Issue date Aug 27, 2013
- Hodogaya Chemical Co., Ltd.
- Nobuo Kaifu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for producing polyether-polyol having narrow molecular weigh...
- Patent number 8,053,607
- Issue date Nov 8, 2011
- Hodogaya Chemical Co., Ltd.
- Kazuaki Okabe
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Ketone-modified resorcinol-formalin resin
- Patent number 7,834,124
- Issue date Nov 16, 2010
- Hodogaya Chemical Co., Ltd.
- Nobuo Kaifu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing resorcinol-formalin resin
- Patent number 7,718,752
- Issue date May 18, 2010
- Hodogaya Chemical Co., Ltd.
- Nobuo Kaifu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for purifying tetrahydrofurans used as starting material fo...
- Patent number 6,201,137
- Issue date Mar 13, 2001
- Hodogaya Chemical Co., Ltd.
- Hiroshi Nakaoka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing polyether, and process for recycling and reus...
- Patent number 5,756,604
- Issue date May 26, 1998
- Hodogaya Chemical Co., Ltd.
- Hiroshi Nakaoka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
PROCESS FOR PRODUCING MEK-MODIFIED RESORCIN/FORMALIN RESIN PARALLEL...
- Publication number 20100016541
- Publication date Jan 21, 2010
- Hodogaya Chemical Co., Ltd.
- Nobuo Kaifu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
KETONE-MODIFIED RESORCINOL-FORMALIN RESIN
- Publication number 20090018304
- Publication date Jan 15, 2009
- Hodogaya Chemical Co., Ltd.
- Nobuo Kaifu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Process for Producing Resorcinol-Formalin Resin
- Publication number 20070225462
- Publication date Sep 27, 2007
- Hodogaya Chemical Co., Ltd.
- Nobuo Kaifu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Method for producing polyether-polyol having narrow molecular weigh...
- Publication number 20040132962
- Publication date Jul 8, 2004
- Hodogaya Chemical Co., Ltd.
- Kazuaki Okabe
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Hiroshi Nakaoka

Person

Patents Grantslast 30 patents

Process for producing MEK-modified resorcin/formalin resin parallel...

Method for producing polyether-polyol having narrow molecular weigh...

Ketone-modified resorcinol-formalin resin

Process for producing resorcinol-formalin resin

Process for purifying tetrahydrofurans used as starting material fo...

Process for producing polyether, and process for recycling and reus...

Patents Applicationslast 30 patents

PROCESS FOR PRODUCING MEK-MODIFIED RESORCIN/FORMALIN RESIN PARALLEL...

KETONE-MODIFIED RESORCINOL-FORMALIN RESIN

Process for Producing Resorcinol-Formalin Resin

Method for producing polyether-polyol having narrow molecular weigh...