Inventor

HIROTSU KENJI

JP24 patents

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

HIROTSU KENJI

UBE INDUSTRIES

Process for producing quinazolin-4-one and derivatives thereof

Process for producing substituted phenoxyethylamines and intermediates

Process for producing 5-fluorooxindole and for producing intermediates therefor

Processes for producing tetrahydropyranyl-4-sulfonates and 4-aminotetrahydropyran compounds

Process for producing quinazolin-4-one derivative

5-fluorooxindole-3-carboxylic acid ester

Processes for preparing tetrahydropyran-4-one and pyran-4-one

Processes for preparing alkyl 3-(4-tetrahydropyranyl)-3-oxopropanoate compound and 4-acyltetrahydropyrane

Process for preparing 4-aminotetrahydropyran compound and an acid salt thereof, synthetic intermediate thereof and process for preparing the same

Process for producing tetrahydropyran-4-ol, intermediate therefor, and process for producing the same

Process for preparing nitrile compound, carboxylic acid compound or carboxylic acid ester compound

4, 8-dodecadienedinitrile and process for its production

Method for producing alkanediol

Method for producing high-purity 1,5-pentanediol

Process for producing substituted phenoxyethylamines oxime

Process for preparing 4-aminopyrimidine compound

Process for producing β-ketonitrile compound

Polyimide precursor and polyimide

NISHINO SHIGEYOSHI

Process for preparation of 6, 7-bis(2-methoxyethoxy) quinazolin-4-one

Process for producing 4-aminoquinazoline compound

ITO TAKASHI

Resin composition for stereolithography

NISSAN CHEMICAL IND LTD

Process for producing quinoline carboxyaldehyde derivative and intermediate thereof

HIROTSU KENJI

3-ethyloxethane compound having hydroxyl group and method for producing the same

YOSHIDA YOUICHI

Process for preparing polycarbonate diol diacrylate and high-purity polycarbonate diol diacrylate