Inventor

TOKUMOTO YUICHI

JP9 patents

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

NIPPON PETROCHEMICALS CO LTD

6 patents

US6300444B1Oct 9, 2001

Process for producing butene polymer

NIPPON PETROCHEMICALS CO LTD23 citations91

US6476284B1Nov 5, 2002

Method of dehalogenating hydrocarbon containing carbon-carbon double bond

NIPPON PETROCHEMICALS CO LTD15 citations82

US6084144AJul 4, 2000

Method of recovering boron trifluoride complex and process for producing olefin oligomer using the same

NIPPON PETROCHEMICALS CO LTD8 citations68

US5260477ANov 9, 1993

Method for preparing alpha-(4-isobutylphenyl)propionic acid or its precursor

NIPPON PETROCHEMICALS CO LTD5 citations62

US6462151B1Oct 8, 2002

Method of removing and recovering boron trifluoride with metal fluoride and process for polyolefin production using the same

NIPPON PETROCHEMICALS CO LTD6 citations61

US5436402AJul 25, 1995

Method for preparing p-isobutylstyrene

NIPPON PETROCHEMICALS CO LTD1 citations51

DAICEL CHEM

2 patents

US5457228AOct 10, 1995

Method for producing lower alkyl acetate

DAICEL CHEM29 citations91

US5384426AJan 24, 1995

Process for the preparation of isopropyl acetate

DAICEL CHEM9 citations69

NIPPON PETROCHEMICALS CO LT

1 patent

US7126037B2Oct 24, 2006

Butene oligomer derivatives having terminal 1,4-butanediol functional groups

NIPPON PETROCHEMICALS CO LT0 citations44