Inventor

HARADA KATSUMASA

JP41 patents

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

HARADA KATSUMASA

UBE INDUSTRIES

3-alkoxyalkanoic acid derivative, process for preparing the same and herbicide using the same

Process for producing aryl carbamates

Pyrimidine derivatives, process for preparing the same and herbicide using the same

Process for producing diaryl carbonate

Process for preparing dibenzothiazepine derivatives

Process for preparing quinolylacrylonitrile and intermediates therefor

Process for producing a diaryl carbonate

Process for preparation of oxyglutaric acid ester derivatives

Method for preparing 2-mercaptothiazole

Process for preparing a dialkyl carbonate by gas-phase decarbonylation of dialkyl oxalate

Process for producing a polycarbonate

Catalyst for decarbonylation reaction

Process for producing a diaryl carnonate

Preparation of diaryl carbonate

Process for preparation of diaryl carbonate

Process for producing 5-fluorooxindole and for producing intermediates therefor

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

Process for preparing 4-fluoro-3-trifluoromethylphenol

Process for preparing protocatechualdehyde

Preparation of 3-oxy-5-oxo-6-heptenoic acid derivatives

Process for producing a 2H-1,3-thiazolidine, 2H-tetrahydro-1,3-thiazine, or 2H-hexahydro-1,3-thiazepine derivative substituted at the 2 position by a nitromethylene group derivative

Process for preparing 5-amino-1,2,3-thiadiazoles

Process for the preparation of 3,4-methylenedioxymandelic acid

Preparation of organic phosphonium chloride

Process for preparation of 5-hydroxy-3-ketoester derivative and optically active substance thereof

5-fluorooxindole-3-carboxylic acid ester

Process for preparing malononitrile

Process for producing 2-halogenocycloalkanone oxime

4, 8-dodecadienedinitrile and process for its production

Process for preparing diaryl carbonate

Preparation of 3-oxy-5-oxo-6-heptenoic acid derivatives

Triazine derivative, process for preparing the same and herbicide using the same

Process for producing heterocyclic compound having nitromethylene group as the side chain group

Process for preparing piperonal

Process for the preparation of quinolylpropenal

Process for producing β-ketonitrile compound

ASTRAZENECA UK LTD

Process for producing dibenzothiazepine derivatives

Process for preparing dibenzothiazepine compounds

KIKUSUI KAGAKU KOGYO KK

Spray coating apparatus

NIPPON CHEMIPHAR CO

Preparation of 2-(10,11-dihydro-10-oxodibenzo-[b,f]thiepin-2-yl) propionic acid

NISSAN CHEMICAL IND LTD

Process for producing quinoline carboxyaldehyde derivative and intermediate thereof