Toshio Nakayama

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of purifying propylene oxide
- Patent number 8,093,412
- Issue date Jan 10, 2012
- Sumitomo Chemical Company, Limited
- Toshio Nakayama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for purifying propylene oxide
- Patent number 7,705,167
- Issue date Apr 27, 2010
- Sumitomo Chemical Company, Limited
- Koji Shinohara
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing cumene and process for propylene oxide produc...
- Patent number 7,442,843
- Issue date Oct 28, 2008
- Sumitomo Chemical Company, Limited
- Tetsuo Suzuki
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of purifying propylene oxide
- Patent number 7,285,187
- Issue date Oct 23, 2007
- Sumitomo Chemical Company, Limited
- Noriaki Oku
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing phenol and methyl ethyl ketone
- Patent number 5,298,667
- Issue date Mar 29, 1994
- Sumitomo Chemical Company, Limited
- Kiyoshi Iwanaga
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Method for Producing a Compound with a Double Bond
- Publication number 20120165587
- Publication date Jun 28, 2012
- SUMITOMO CHEMICAL COMPANY, LIMITED
- Masayuki Yoshii
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Method Of Purifying Propylene Oxide
- Publication number 20080035468
- Publication date Feb 14, 2008
- SUMITOMO CHEMICAL CO., LTD.
- Toshio Nakayama
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Method for purifying propylene oxide
- Publication number 20070032671
- Publication date Feb 8, 2007
- Sumitomo Chemical Company, Limited
- Koji Shinohara
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for producing cumene and process for propylene oxide produc...
- Publication number 20060217566
- Publication date Sep 28, 2006
- Tetsuo Suzuki
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Method of purifying propylene oxide
- Publication number 20050092593
- Publication date May 5, 2005
- Noriaki Oku
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for purification propylene oxide
- Publication number 20050082159
- Publication date Apr 21, 2005
- Noriaki Oku
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for producing chlorine
- Publication number 20020172640
- Publication date Nov 21, 2002
- Sumitomo Chemical Company, Limited
- Takuo Hibi
- C01 - INORGANIC CHEMISTRY