Inventor

SUGIYA MASASHI

JP18 patents

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

SUGIYA MASASHI

NIPPON CHEMICAL IND

Bis (1,1,3,3-tetramethylbutyl) phosphinic acid compound, a production method thereof and an extracting agent

Bis(1,1,3,3-tetramethylbutyl) phosphinic acid compound, a production method thereof and an extracting agent

Highly pure monoalkylphosphine and method for producing same

Agent and method for treating wool fibers wherein the agent is tris(hydroxypropyl)phosphine and/or alkylene oxide addition products thereof

Method of producing optically active vinyl phosphine oxide

Process for preparing a phosphonium salt compound having an acryl group

Bifunctional alkyl phosphine oxide and production method thereof

Monoalkylphosphine and method of producing the same

Catalyst for curing epoxy resins, method for making the same, epoxy resin composition, and powder coating composition

1,2-bis(methyl(1,1,3,3-tetramethylbutyl)-phosphino)ethane, process the preparation thereof, transition metal complexes containing the same as a ligand and uses thereof

Method of producing bisphosphine oxide

Optically active phosphine oxide carboxylic acid and method of producing the same

Highly pure monoalkylphosphine and method for producing same

Method of producing a bis(2-carboxyethyl)alkyl phosphine oxide and a derivative thereof

TAMURA KEN

2, 2′-bis (dialkylphosphino) biphenyl compound, production method thereof, and metal complex comprising the compound as ligand

Method for producing optically active 1,2-bis(dialkylphosphino)benzene derivative

SHINETSU CHEMICAL CO

Highly pure monoalkylphosphine

SAWADA HIDEO

Powdery silica composite particles and process for producing the same, silica composite particle dispersion, and resin composition