Inventor
II HIROFUMI
JP10 patents
⚠️ This page may combine multiple inventors who share the name “II HIROFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UBE INDUSTRIES
8 patentsUS5731453AMar 24, 1998
Process for producing a diaryl carbonate
UBE INDUSTRIES6 citations73
US7714160B2May 11, 2010
Process for producing alkyl nitrite
UBE INDUSTRIES6 citations72
US9656942B2May 23, 2017
Method of manufacturing diethyl carbonate
UBE INDUSTRIES4 citations67
US5705677AJan 6, 1998
Diphenyl oxalate-phenol adduct, process for producing the adduct and method of producing diphenyl oxalate from the adduct
UBE INDUSTRIES2 citations62
US6472498B2Oct 29, 2002
Diaryl carbonate product and production of polycarbonate
UBE INDUSTRIES4 citations60
US10351507B2Jul 16, 2019
Carbonate ester purification method, carbonate ester solution production method, and carbonate ester purification apparatus
UBE INDUSTRIES1 citations54
US6844464B2Jan 18, 2005
Process for producing alkyl nitrite
UBE INDUSTRIES0 citations51
US5892089AApr 6, 1999
Process for preparing diaryl carbonate
UBE INDUSTRIES0 citations51