Seiichi Kobayashi

Person

Kamakura, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Polymerizable composition for optical material, optical material an...
- Patent number 9,505,872
- Issue date Nov 29, 2016
- Mitsui Chemicals, Inc.
- Akinori Ryu
- G02 - OPTICS
Information Patent Grant
Polymerizable composition for polythiourethane optical material
- Patent number 9,290,656
- Issue date Mar 22, 2016
- Mitsui Chemicals, Inc.
- Hidetoshi Hayashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Plastic polarized lens, method for producing the same, and polarize...
- Patent number 9,086,531
- Issue date Jul 21, 2015
- Mitsui Chemicals, Inc.
- Akinori Ryu
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Polymerizable composition for optical material, optical material, a...
- Patent number 9,000,119
- Issue date Apr 7, 2015
- Mitsui Chemicals, Inc.
- Akinori Ryu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyurethanes polymerizable composition and method for producing op...
- Patent number 8,772,441
- Issue date Jul 8, 2014
- Mitsui Chemicals, Inc.
- Shigetoshi Kuma
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Metal compound, polymerizable composition containing the same, resi...
- Patent number 8,697,889
- Issue date Apr 15, 2014
- Mitsui Chemicals, Inc.
- Masakazu Murakami
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing bis(thietanylthio)dithiastannolane
- Patent number 8,680,295
- Issue date Mar 25, 2014
- Mitsui Chemicals, Inc.
- Masakazu Murakami
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymerizable composition, and resin and optical part using the same
- Patent number 8,637,633
- Issue date Jan 28, 2014
- Mitsui Chemicals, Inc.
- Mitsuo Nakamura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymerization catalyst for polythiourethane optical material, poly...
- Patent number 8,586,695
- Issue date Nov 19, 2013
- Mitsui Chemicals, Inc.
- Nobuo Kawato
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymerization catalyst for polythiourethane-based optical material...
- Patent number 8,586,694
- Issue date Nov 19, 2013
- Mitsui Chemicals, Inc.
- Masanori Iwazumi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymerizable composition for optical material, optical material, a...
- Patent number 8,434,866
- Issue date May 7, 2013
- Mitsui Chemicals, Inc.
- Hidetoshi Hayashi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Metal thietane compound, polymerizable composition containing the c...
- Patent number 8,426,551
- Issue date Apr 23, 2013
- Mitsui Chemicals, Inc.
- Masakazu Murakami
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Composition, polymerizable composition, resin, optical component, a...
- Patent number 8,420,718
- Issue date Apr 16, 2013
- Mitsui Chemicals, Inc.
- Tomoyuki Ando
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Additive for polymerizable composition, polymerizable composition c...
- Patent number 8,394,891
- Issue date Mar 12, 2013
- Mitsui Chemicals, Inc.
- Tomoyuki Ando
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Thietane compound, polymerizable composition containing the same, r...
- Patent number 8,362,280
- Issue date Jan 29, 2013
- Mitsui Chemicals, Inc.
- Hironori Kuboi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Compound, polymerizable composition, resin, and use of the composit...
- Patent number 8,349,996
- Issue date Jan 8, 2013
- Mitsui Chemicals, Inc.
- Masakazu Murakami
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Metal thietane compound, polymerizable composition containing the c...
- Patent number 8,293,864
- Issue date Oct 23, 2012
- Mitsui Chemicals, Inc.
- Masakazu Murakami
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Plastic polarized lens and method of producing the same
- Patent number 8,187,712
- Issue date May 29, 2012
- Mitsui Chemicals, Inc.
- Akinori Ryu
- G02 - OPTICS
Information Patent Grant
Process for production of isocyanate, isocyanate produced by the pr...
- Patent number 8,183,407
- Issue date May 22, 2012
- Mitsui Chemicals, Inc.
- Chitoshi Shimakawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing dicyanonorbornane and zerovalent nickel compl...
- Patent number 8,183,404
- Issue date May 22, 2012
- Mitsui Chemicals, Inc.
- Norihiko Fukatsu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing resin for optical material
- Patent number 8,044,165
- Issue date Oct 25, 2011
- Mitsui Chemicals, Inc.
- Masaru Kawaguchi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Internal mold release agent for production of polythiourethane opti...
- Patent number 8,022,163
- Issue date Sep 20, 2011
- Mitsui Chemicals, Inc.
- Masanori Iwazumi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Thiourethane-based optical material
- Patent number 7,396,900
- Issue date Jul 8, 2008
- Mitsui Chemicals, Inc.
- Mamoru Tanaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Thioepoxy based polymerizable composition and method for production...
- Patent number 7,354,989
- Issue date Apr 8, 2008
- Mitsui Chemicals, Inc.
- Hiroyuki Morijiri
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Thiourethane-based optical material
- Patent number 7,244,808
- Issue date Jul 17, 2007
- Mitsui Chemicals, Inc.
- Mamoru Tanaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyisocyanate compound, method for producing the same, and uses th...
- Patent number 7,132,495
- Issue date Nov 7, 2006
- Mitsui Chemicals, Inc.
- Ryuji Haseyama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymerizable composition containing novel cyclic sulfur compound a...
- Patent number 7,132,501
- Issue date Nov 7, 2006
- Mitsui Chemicals, Inc.
- Seiichi Kobayashi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Composite writing instrument
- Patent number 7,128,491
- Issue date Oct 31, 2006
- Mitsubishi Pencil Co., Ltd.
- Seiichi Kobayashi
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Writing implement
- Patent number 7,083,349
- Issue date Aug 1, 2006
- Mitsubishi Pencil Kabushikikaisha
- Hisashi Iida
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Writing implement
- Patent number 7,070,352
- Issue date Jul 4, 2006
- Mitsubishi Pencil Kabushikikaisha
- Hisashi Iida
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

Information Patent Application
POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL, OPTICAL MATERIAL AN...
- Publication number 20170044299
- Publication date Feb 16, 2017
- Mitsui Chemicals, Inc.
- Akinori RYU
- G02 - OPTICS
Information Patent Application
PLASTIC POLARIZED LENS, METHOD FOR PRODUCING THE SAME, AND POLARIZE...
- Publication number 20130155507
- Publication date Jun 20, 2013
- Mitsui Chemicals, Inc.
- Akinori Ryu
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Metal Thietane Compound, Polymerizable Composition Containing the C...
- Publication number 20130018169
- Publication date Jan 17, 2013
- MITSUI CHEMICALS, INC.
- Masakazu Murakami
- G02 - OPTICS
Information Patent Application
Polymerizable Composition, and Resin and Optical Part Using the Same
- Publication number 20130005934
- Publication date Jan 3, 2013
- MITSUI CHEMICALS, INC.
- Mitsuo Nakamura
- G02 - OPTICS
Information Patent Application
PROCESS FOR PRODUCING BIS(THIETANYLTHIO)DITHIASTANNOLANE
- Publication number 20120203011
- Publication date Aug 9, 2012
- MITSUI CHEMICALS, INC.
- Masakazu MURAKAMI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL, OPTICAL MATERIAL, A...
- Publication number 20110269914
- Publication date Nov 3, 2011
- MITSUI CHEMICALS, INC.
- Akinori RYU
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PROCESS FOR PRODUCING PENTAERYTHRITOL MERCAPTOCARBOXYLIC ESTERS AND...
- Publication number 20110245530
- Publication date Oct 6, 2011
- MITSUI CHEMICALS, INC.
- Michiharu Sakata
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PROCESS FOR PRODUCING PENTAERYTHRITOL MERCAPTOCARBOXYLIC ACID ESTER...
- Publication number 20110245531
- Publication date Oct 6, 2011
- MITSUI CHEMICALS, INC.
- Shigetoshi KUMA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIALS, OPTICAL MATERIAL A...
- Publication number 20110224371
- Publication date Sep 15, 2011
- Mitsui Chemicals, Inc.
- Akinori Ryu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Process for Producing Polythiol Compound for Optical Materials, and...
- Publication number 20110176220
- Publication date Jul 21, 2011
- MITSUI CHEMICALS, INC.
- Shigetoshi KUMA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PROCESS FOR PRODUCING (POLY)THIOL COMPOUND FOR USE AS OPTICAL MATER...
- Publication number 20110178264
- Publication date Jul 21, 2011
- MITSUI CHEMICALS, INC.
- Shigetoshi Kuma
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METAL COMPOUND, POLYMERIZABLE COMPOSITION CONTAINING THE SAME, RESI...
- Publication number 20110136977
- Publication date Jun 9, 2011
- MITSUI CHEMICALS, INC.
- Masakazu Murakami
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
COMPOUND, POLYMERIZABLE COMPOSITION, RESIN, AND USE OF THE COMPOSIT...
- Publication number 20110130516
- Publication date Jun 2, 2011
- MITSUI CHEMICALS, INC.
- Masakazu Murakami
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
COMPOSITION, POLYMERIZABLE COMPOSITION, RESIN, OPTICAL COMPONENT, A...
- Publication number 20110124836
- Publication date May 26, 2011
- MITSUI CHEMCIAL, INC.
- Tomoyuki Ando
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
THIETANE COMPOUND, POLYMERIZABLE COMPOSITION CONTAINING THE SAME, R...
- Publication number 20110118412
- Publication date May 19, 2011
- MITSUI CHEMICALS, INC.
- Hironori Kuboi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PROCESS FOR PRODUCING PENTAERYTHRITOL MERCAPTOCARBOXYLIC ACID ESTER...
- Publication number 20110065887
- Publication date Mar 17, 2011
- Mitsui Chemicals, Inc.
- Shigetoshi KUMA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYMERIZATION CATALYST FOR POLYTHIOURETHANE OPTICAL MATERIAL, POLY...
- Publication number 20110065884
- Publication date Mar 17, 2011
- MITSUI CHEMICALS, INC.
- Nobuo Kawato
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL, OPTICAL MATERIAL, A...
- Publication number 20110034660
- Publication date Feb 10, 2011
- Mitsui Chemicals, Inc.
- Akinori RYU
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYMERIZABLE COMPOSITION, AND RESIN AND OPTICAL PART USING THE SAME
- Publication number 20100298519
- Publication date Nov 25, 2010
- MITSUI CHEMICALS, INC.
- Mitsuo Nakamura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PROCESS FOR PRODUCING (POLY)THIOL COMPOUND FOR USE AS OPTICAL MATER...
- Publication number 20100298521
- Publication date Nov 25, 2010
- MITSUI CHEMICALS, INC.
- Shigetoshi Kuma
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL, OPTICAL MATERIAL AN...
- Publication number 20100292430
- Publication date Nov 18, 2010
- MITSUI CHEMICALS, INC.
- Akinori Ryu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PROCESS FOR PRODUCING PENTAERYTHRITOL MERCAPTOCARBOXYLIC ESTERS AND...
- Publication number 20100292431
- Publication date Nov 18, 2010
- MITSUI CHEMICALS, INC.
- Michiharu Sakata
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
ADDITIVE FOR POLYMERIZABLE COMPOSITION, POLYMERIZABLE COMPOSITION C...
- Publication number 20100286334
- Publication date Nov 11, 2010
- Mitsui Chemicals, Inc.
- Tomoyuki Ando
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
THIETANE COMPOUND, POLYMERIZABLE COMPOSITION COMPRISING THE COMPOUN...
- Publication number 20100280208
- Publication date Nov 4, 2010
- Mitsui Chemicals Inc.
- Masakazu Murakami
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PROCESS FOR PRODUCING POLYTHIOL COMPOUND FOR OPTICAL MATERIALS, AND...
- Publication number 20100280213
- Publication date Nov 4, 2010
- MITSUI CHEMICALS, INC.
- Shigetoshi KUMA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METAL THIETANE COMPOUND, POLYMERIZABLE COMPOSITION CONTAINING THE C...
- Publication number 20100240862
- Publication date Sep 23, 2010
- MITSUI CHEMICALS, INC.
- Masakazu Murakami
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
INTERNAL MOLD RELEASE AGENT FOR PRODUCTION OF POLYTHIOURETHANE OPTI...
- Publication number 20100234498
- Publication date Sep 16, 2010
- Mitsui Chemicals, Inc.
- Masanori Iwazumi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL, OPTICAL MATERIAL, A...
- Publication number 20100075154
- Publication date Mar 25, 2010
- MITSUI CHEMICALS, INC.
- Hidetoshi HAYASHI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYMERIZABLE COMPOSITION, RESIN USING THE SAME, OPTICAL COMPONENT...
- Publication number 20100063246
- Publication date Mar 11, 2010
- MITSUI CHEMICALS, INC.
- Shinichi Usugi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYMERIZATION CATALYST FOR POLYTHIOURETHANE OPTICAL MATERIAL, POLY...
- Publication number 20100029890
- Publication date Feb 4, 2010
- Mitsui Chemicals, Inc.
- Nobuo Kawato
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Seiichi Kobayashi

Person

Patents Grantslast 30 patents

Polymerizable composition for optical material, optical material an...

Polymerizable composition for polythiourethane optical material

Plastic polarized lens, method for producing the same, and polarize...

Polymerizable composition for optical material, optical material, a...

Polyurethanes polymerizable composition and method for producing op...

Metal compound, polymerizable composition containing the same, resi...

Process for producing bis(thietanylthio)dithiastannolane

Polymerizable composition, and resin and optical part using the same

Polymerization catalyst for polythiourethane optical material, poly...

Polymerization catalyst for polythiourethane-based optical material...

Polymerizable composition for optical material, optical material, a...

Metal thietane compound, polymerizable composition containing the c...

Composition, polymerizable composition, resin, optical component, a...

Additive for polymerizable composition, polymerizable composition c...

Thietane compound, polymerizable composition containing the same, r...

Compound, polymerizable composition, resin, and use of the composit...

Metal thietane compound, polymerizable composition containing the c...

Plastic polarized lens and method of producing the same

Process for production of isocyanate, isocyanate produced by the pr...

Process for producing dicyanonorbornane and zerovalent nickel compl...

Process for producing resin for optical material

Internal mold release agent for production of polythiourethane opti...

Thiourethane-based optical material

Thioepoxy based polymerizable composition and method for production...

Thiourethane-based optical material

Polyisocyanate compound, method for producing the same, and uses th...

Polymerizable composition containing novel cyclic sulfur compound a...

Composite writing instrument

Writing implement

Writing implement

Patents Applicationslast 30 patents

POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL, OPTICAL MATERIAL AN...

PLASTIC POLARIZED LENS, METHOD FOR PRODUCING THE SAME, AND POLARIZE...

Metal Thietane Compound, Polymerizable Composition Containing the C...

Polymerizable Composition, and Resin and Optical Part Using the Same

PROCESS FOR PRODUCING BIS(THIETANYLTHIO)DITHIASTANNOLANE

POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL, OPTICAL MATERIAL, A...

PROCESS FOR PRODUCING PENTAERYTHRITOL MERCAPTOCARBOXYLIC ESTERS AND...

PROCESS FOR PRODUCING PENTAERYTHRITOL MERCAPTOCARBOXYLIC ACID ESTER...

POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIALS, OPTICAL MATERIAL A...

Process for Producing Polythiol Compound for Optical Materials, and...

PROCESS FOR PRODUCING (POLY)THIOL COMPOUND FOR USE AS OPTICAL MATER...

METAL COMPOUND, POLYMERIZABLE COMPOSITION CONTAINING THE SAME, RESI...

COMPOUND, POLYMERIZABLE COMPOSITION, RESIN, AND USE OF THE COMPOSIT...

COMPOSITION, POLYMERIZABLE COMPOSITION, RESIN, OPTICAL COMPONENT, A...

THIETANE COMPOUND, POLYMERIZABLE COMPOSITION CONTAINING THE SAME, R...

PROCESS FOR PRODUCING PENTAERYTHRITOL MERCAPTOCARBOXYLIC ACID ESTER...

POLYMERIZATION CATALYST FOR POLYTHIOURETHANE OPTICAL MATERIAL, POLY...

POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL, OPTICAL MATERIAL, A...

POLYMERIZABLE COMPOSITION, AND RESIN AND OPTICAL PART USING THE SAME

PROCESS FOR PRODUCING (POLY)THIOL COMPOUND FOR USE AS OPTICAL MATER...

POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL, OPTICAL MATERIAL AN...

PROCESS FOR PRODUCING PENTAERYTHRITOL MERCAPTOCARBOXYLIC ESTERS AND...

ADDITIVE FOR POLYMERIZABLE COMPOSITION, POLYMERIZABLE COMPOSITION C...

THIETANE COMPOUND, POLYMERIZABLE COMPOSITION COMPRISING THE COMPOUN...

PROCESS FOR PRODUCING POLYTHIOL COMPOUND FOR OPTICAL MATERIALS, AND...

METAL THIETANE COMPOUND, POLYMERIZABLE COMPOSITION CONTAINING THE C...

INTERNAL MOLD RELEASE AGENT FOR PRODUCTION OF POLYTHIOURETHANE OPTI...

POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL, OPTICAL MATERIAL, A...

POLYMERIZABLE COMPOSITION, RESIN USING THE SAME, OPTICAL COMPONENT...

POLYMERIZATION CATALYST FOR POLYTHIOURETHANE OPTICAL MATERIAL, POLY...