Masatoshi Ueoka

Person

Himeji, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for purification of acrylic acid
- Patent number 7,048,834
- Issue date May 23, 2006
- Nippon Shokubai Co., Ltd.
- Yoshitake Ishii
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Apparatus and process for producing (meth)acrylic acid
- Patent number 6,966,973
- Issue date Nov 22, 2005
- Nippon Shokubai Co., Ltd.
- Sei Nakahara
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for distilling (meth) acrylic acid solution
- Patent number 6,787,001
- Issue date Sep 7, 2004
- Nippon Shokubai Co Ltd
- Kazuhiko Sakamoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Stabilized hydroxyalkyl (meth)acrylate
- Patent number 6,706,208
- Issue date Mar 16, 2004
- Nippon Shokubai Co., Ltd.
- Tokumasa Ishida
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for production of (meth) acrylic acid and/or (meth)acrylic e...
- Patent number 6,695,928
- Issue date Feb 24, 2004
- Nippon Shokubai Co., Ltd.
- Sei Nakahara
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for inhibiting polymerization of a vinyl compound
- Patent number 6,664,418
- Issue date Dec 16, 2003
- Nippon Shokubai Co., Ltd.
- Kazuhiko Sakamoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing (meth)acrylic ester
- Patent number 6,660,881
- Issue date Dec 9, 2003
- Nippon Shokubai Co., Ltd.
- Hajime Matsumoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for preparing (meth) acrylic acid ester
- Patent number 6,649,787
- Issue date Nov 18, 2003
- Nippon Shokubai Co., Ltd.
- Sei Nakahara
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Column treating process and apparatus thereof
- Patent number 6,649,028
- Issue date Nov 18, 2003
- Nippon Shokubai Co., Ltd.
- Kazuhiko Sakamoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for refining (meth)acrylic acid
- Patent number 6,540,881
- Issue date Apr 1, 2003
- Nippon Shokubai Co., Ltd.
- Kazuhiko Sakamoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing acrylic acid
- Patent number 6,482,981
- Issue date Nov 19, 2002
- Nippon Shokubai Co., Ltd.
- Kouji Ueno
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for disposal of solid catalyst
- Patent number 6,469,202
- Issue date Oct 22, 2002
- Nippon Shokubai Co., Ltd.
- Sei Nakahara
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production process for hydroxyalkyl(meth)acrylate
- Patent number 6,458,988
- Issue date Oct 1, 2002
- Nippon Shokubai Co., Ltd.
- Hajime Matsumoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production process for hydroxyalkyl (meth)acrylate
- Patent number 6,452,040
- Issue date Sep 17, 2002
- Nippon Shokubai Co., Ltd.
- Yasuhiro Shingai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Apparatus and process for producing (meth)acrylic acid
- Patent number 6,441,228
- Issue date Aug 27, 2002
- Nippon Shokubai Co., Ltd.
- Sei Nakahara
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production process for hydroxyalkyl ester
- Patent number 6,414,182
- Issue date Jul 2, 2002
- Nippon Shokubai Co., Ltd.
- Yasuhiro Shingai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for handling waste oil
- Patent number 6,414,183
- Issue date Jul 2, 2002
- Nippon Shokubai Co., Ltd.
- Kazuhiko Sakamoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing hydroxyalkyl (METH) acrylates
- Patent number 6,384,267
- Issue date May 7, 2002
- Nippon Shokubai Co., Ltd.
- Yasuhiro Shingai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Purification process for hydroxyalkyl (meth)acrylate
- Patent number 6,380,424
- Issue date Apr 30, 2002
- Nippon Shokubai Co., Ltd.
- Yukihiro Yoneda
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the purification of (meth) acrylic acid and/or its ester
- Patent number 6,348,135
- Issue date Feb 19, 2002
- Nippon Shokubai Co., Ltd.
- Sei Nakahara
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of stabilizing N-oxyl compounds in vinyl compounds
- Patent number 6,300,513
- Issue date Oct 9, 2001
- Nippon Shokubai Co., Ltd.
- Kazuhiko Sakamoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Methods for recovering acrylic acid
- Patent number 6,252,110
- Issue date Jun 26, 2001
- Nippon Shokubai Co Ltd
- Masahiro Uemura
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for recovering acrylic acid
- Patent number 6,084,127
- Issue date Jul 4, 2000
- Nippon Shokubai Co Ltd
- Kazuhiko Sakamoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of acrylic acid
- Patent number 5,785,821
- Issue date Jul 28, 1998
- Nippon Shokubai Co., Ltd.
- Kazuhiko Sakamoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for inhibiting polymerization of (meth) acrylic acid and est...
- Patent number 5,504,243
- Issue date Apr 2, 1996
- Nippon Shokubai Co., Ltd.
- Kazuhiko Sakamoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polymerization inhibitor and inhibiting method for vinyl compound
- Patent number 5,371,280
- Issue date Dec 6, 1994
- Nippon Shokubai Co., Ltd.
- Hidefumi Haramaki
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for inhibiting polymerization of (meth) acrylic acid and est...
- Patent number 5,322,960
- Issue date Jun 21, 1994
- Nippon Shokubai Co., Ltd.
- Kazuhiko Sakamoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for purification of acrylic acid
- Patent number 5,315,037
- Issue date May 24, 1994
- Nippon Shokubai Co., Ltd.
- Kazuhiko Sakamoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for recovering methacrolein
- Patent number 5,248,819
- Issue date Sep 28, 1993
- Nippon Shokubai Kagaku Ogyo Co., Ltd.
- Syoichi Matsumoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing methacrylic ester
- Patent number 4,956,493
- Issue date Sep 11, 1990
- Nippon Shokubai Kagaku Kogyo Co., Ltd.
- Masatoshi Ueoka
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Column treating process and apparatus therefor
- Publication number 20020189927
- Publication date Dec 19, 2002
- NIPPON SHOKUBAI CO., LTD.
- Kazuhiko Sakamoto
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Apparatus and process for producing (meth)acrylic acid
- Publication number 20020165407
- Publication date Nov 7, 2002
- Sei Nakahara
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Method for distilling (meth) acrylic acid solution
- Publication number 20020134660
- Publication date Sep 26, 2002
- Kazuhiko Sakamoto
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for producing (meth)acrylic ester
- Publication number 20020022739
- Publication date Feb 21, 2002
- NIPPON SHOKUBAI CO., LTD.
- Hajime Matsumoto
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Production process for hydroxyalkyl (meth)acrylate
- Publication number 20010025120
- Publication date Sep 27, 2001
- NIPPON SHOKUBAI CO., LTD.
- Yasuhiro Shingai
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Method for producing acrylic acid
- Publication number 20010020111
- Publication date Sep 6, 2001
- Kouji Ueno
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Method for disposal of solid catalyst
- Publication number 20010006930
- Publication date Jul 5, 2001
- Sei Nakahara
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Stabilized hydroxyalkyl (meth)acrylate
- Publication number 20010006226
- Publication date Jul 5, 2001
- NIPPON SHOKUBAI CO., LTD.
- Tokumasa Ishida
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Apparatus and process for producing (meth)acrylic acid
- Publication number 20010005763
- Publication date Jun 28, 2001
- NIPPON SHOKUBAI CO., LTD.
- Sei Nakahara
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Method for purification of acrylic acid
- Publication number 20010004960
- Publication date Jun 28, 2001
- NIPPON SHOKUBAI CO., LTD.
- Yoshitake Ishii
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Method of stabilizing N-oxyl compounds in vinyl compounds
- Publication number 20010005755
- Publication date Jun 28, 2001
- Kazuhiko Sakamoto
- C07 - ORGANIC CHEMISTRY

Masatoshi Ueoka

Person

Patents Grantslast 30 patents

Method for purification of acrylic acid

Apparatus and process for producing (meth)acrylic acid

Method for distilling (meth) acrylic acid solution

Stabilized hydroxyalkyl (meth)acrylate

Method for production of (meth) acrylic acid and/or (meth)acrylic e...

Method for inhibiting polymerization of a vinyl compound

Process for producing (meth)acrylic ester

Method for preparing (meth) acrylic acid ester

Column treating process and apparatus thereof

Method for refining (meth)acrylic acid

Method for producing acrylic acid

Method for disposal of solid catalyst

Production process for hydroxyalkyl(meth)acrylate

Production process for hydroxyalkyl (meth)acrylate

Apparatus and process for producing (meth)acrylic acid

Production process for hydroxyalkyl ester

Method for handling waste oil

Process for producing hydroxyalkyl (METH) acrylates

Purification process for hydroxyalkyl (meth)acrylate

Process for the purification of (meth) acrylic acid and/or its ester

Method of stabilizing N-oxyl compounds in vinyl compounds

Methods for recovering acrylic acid

Method for recovering acrylic acid

Process for the production of acrylic acid

Method for inhibiting polymerization of (meth) acrylic acid and est...

Polymerization inhibitor and inhibiting method for vinyl compound

Method for inhibiting polymerization of (meth) acrylic acid and est...

Process for purification of acrylic acid

Process for recovering methacrolein

Process for producing methacrylic ester

Patents Applicationslast 30 patents

Column treating process and apparatus therefor

Apparatus and process for producing (meth)acrylic acid

Method for distilling (meth) acrylic acid solution

Process for producing (meth)acrylic ester

Production process for hydroxyalkyl (meth)acrylate

Method for producing acrylic acid

Method for disposal of solid catalyst

Stabilized hydroxyalkyl (meth)acrylate

Apparatus and process for producing (meth)acrylic acid

Method for purification of acrylic acid

Method of stabilizing N-oxyl compounds in vinyl compounds