P

Inventor

TAKASHIMA TSUTOMU

JP11 patents
⚠️ This page may combine multiple inventors who share the name “TAKASHIMA TSUTOMU”. 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
US5846429ADec 8, 1998

Method for separating and recovering boron trifluoride

NIPPON PETROCHEMICALS CO LTD14 citations70
US6084144AJul 4, 2000

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

NIPPON PETROCHEMICALS CO LTD8 citations68
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
US5698023ADec 16, 1997

Process of producing copper phthalocyanine pigment having a bright tone

NIPPON PETROCHEMICALS CO LTD0 citations50

TAKASHIMA TSUTOMU

2 patents
US8247508B2Aug 21, 2012

Isobutylene-based polymer and method for producing same

TAKASHIMA TSUTOMU5 citations57
US8410234B2Apr 2, 2013

Vinyl ether compound, vinyl ether polymer, and method for producing vinyl ether compound

TAKASHIMA TSUTOMU0 citations45

NIPPON OIL CORP

1 patent
US7741527B2Jun 22, 2010

Solid phosphoric acid catalyst and method for dimerization of olefin using the same

NIPPON OIL CORP1 citations49

HAMAMATSU TATSUO

1 patent
US8203025B2Jun 19, 2012

Solid phosphoric acid catalyst and methods of olefin dimerization reaction with the same

HAMAMATSU TATSUO0 citations44

NIPPON PETROCHEMICALS CO LT

1 patent
US7126037B2Oct 24, 2006

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

NIPPON PETROCHEMICALS CO LT0 citations44