Inventor

NAGATA TERUYUKI

JP72 patents

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

NAGATA TERUYUKI

MITSUI TOATSU CHEMICALS

High-refractivity plastic lens resin formed by reacting at least one polyisocyanate with at least one polythiol

S-alkyl thiocarbamate base lens resin

Plastic lenses having a high-refractive index, process for the preparation thereof and casting polymerization process for preparing sulfur-containing urethane resin lens and lens prepared thereby

Composition for urethane-base plastic lens, urethane-base plastic lens obtained from the composition, and process for the production of the plastic lens

Polythiol useful for preparing sulfur-containing urethane-based resin and process for producing the same

S-alkyl thiocarbamate base resin, plastic lens comprising the resin, and process for making the lens

Sulfur-containing polyurethane base lens resin

Plastic lenses having a high-refractive index, process for the preparation thereof and casting polymerization process for preparing sulfur containing urethane resin lens and lens prepared thereby

Process for the preparation of aliphatic polyisocyanates

High-refractivity plastic lens resin formed from a polyisocyanate and a polythiol

Sulfur-containing urethane-based resin composition, its resin, and optical element and lens comprising resin

Process for preparing polycondensation polymer compound

Process for preparing high-purity aniline

Stabilizing method of isocyanate compounds and isocyanate compositions stabilized thereby

Optical urethane resins and plastic lenses comprising the same

Highly-refractive plastic lens and process for making the lens

Resin having a large refractive index, lenses comprising the resin and process for preparing the lens

Resin for plastic lens having high-refractive index, lens comprising the resin, and method for preparation of the lens

Process for molding a highly-refractive plastic lens

Polyurethane base lens resin, plastic lens comprising the resin and preparation method of the lens

Sulfur-containing polyurethane base lens resin

Preparation process of aliphatic isocyanate

Process for producing diphenylamines or N,N&#39;-diphenyl-phenylenediamines

Process for preparing high-purity aniline

Process for producing diphenylamines or N,N&#39;-diphenyl-phenylenediamines

Process for producing cyclic ureas

Process for producing diphenylamines or N,N&#39;-diphenylphenylenediamines

Process for the preparation of 4,4&#39;-biphenol

Process for purifying crude p-aminophenol

Sulfur-containing acid phosphoric ester internal release agent

Process for producing 1, 3-dialkyl-2-imidazolidinone

Process for producing 4-alkoxyanilines

Process for producing 3-phenoxybenzyl 2-(4-alkoxyphenyl)-2-methylpropyl ethers

Process for preparing organic isocyanates

Color-developing agents and color-developing sheets

Process for the preparation of diphenylamine

Process for producing aminobenzylamine

Preparation process of 4,4&#39;-biphenol, precursor of same and preparation process of precursor

Process for producing cyclic ureas

Preparation process of 4-(4-hydroxyphenyl)-cyclohexanol

Preparation process of acyl halide or sulfonyl halide

MITSUI CHEMICALS INC

Sulfur-containing urethane-based resin and composition and process for producing the resin

Process for preparing a sulfur-containing urethane-based plastic lens and the lens prepared thereby

Polysulfide-based resin composition, polysulfide-based resin, and optical material comprising the resin

Halogenating agents

Nitrogen-based halogenating agents and process for preparing halogen-containing compounds

Process for preparing acetylene derivative from a ketone compound

Fluorination agent and preparation and use of same

Nitrogen-based halogenating agents and process for preparing halogen-containing compounds

Tetraalkylfluoroformamidinium trifluoroacetate and preparation process of same

Process for producing diphenylamines or N,N'-diphenyl-phenylenediamines

Process for producing diphenylamines or N,N'-diphenyl-phenylenediamines

Process for producing diphenylamines or N,N'-diphenylphenylenediamines

Process for the preparation of 4,4'-biphenol

Preparation process of 4,4'-biphenol, precursor of same and preparation process of precursor