Inventor

KURAMOTO MASAHIKO

JP44 patents

⚠️ This page may combine multiple inventors who share the name “KURAMOTO MASAHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KURAMOTO MASAHIKO

IDEMITSU KOSAN CO

Process for production of styrene polymers

Process for producing propylene oligomers

Styrene-based resin composition

Process for producing styrene polymers

Composition of styrene resin, thermoplastic resin and rubber

Styrene based resin composition

Styrene copolymer and process for production thereof

Process for producing styrene-based polymers and catalyst for use therein

Catalyst for vinyl compound polymerization and process for producing vinyl polymer

Composition of styrene resin, thermoplastic resin and rubber particles

Styrene resin with rubber polymer particles

Syndiotactic styrene polymers

Syndiotactic styrene resin, thermoplastic resin and rubber

Styrene-based resin composition with thermoplastic resin

Styrene-based resin composition

Syndiotactic polystyrene and polycarbonate resin compositions

Styrene-based resin composition

Process for producing a styrene polymer and a catalyst for use therein

Styrene copolymer and process for production thereof

Process for producing a styrene polymer having high degree of syndiotactic configuration

Styrene copolymer and process for production thereof

Process for production of styrene-based polymers

Process for producing homogeneous aluminoxane solution

Catalyst for producing syndiotactic configuration styrene-based polymers

Process for producing styrene-based polymer

Catalyst for producing aromatic vinyl compound-based polymer composition and process for producing aromatic vinyl compound-based polymer composition using same

Syndiotactic styrene polymers

Process for purification of styrene polymer

Process for producing a styrene polymer composition

Process for producing syndiotactic styrene copolymer

Vinylcyclohexane-based polymers and process for production thereof

Process for production of styrene polymers

Method for the preparation of amorphous syndiotactic styrene-based polymer and a method for shaping the same

Process for production of styrene polymers

Process for purification of styrenic polymer

Process for purification of syndiotactic styrene polymer

Method for producing α-olefin

IDEMITSU PETROCHEMICAL CO

Catalysts for α-olefin production and processes for producing α-olefin

Transition metal compound, olefin polymerization catalyst, and method of polymerizing olefin

Catalyst for the production of α-olefin and α-olefin production method

Catalysts for olefin polymer production

Catalyst for vinyl compound polymerization and process for producing vinyl polymer

Catalyst for olefin polymerization and process for producing olefin polymer with the catalyst

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

Magnesium compound, solid catalyst component for olefin polymerization, catalyst for olefin polymerization and method for producing polyolefin