Inventor
SHIBAHARA ATSUSHI
JP19 patents
⚠️ This page may combine multiple inventors who share the name “SHIBAHARA ATSUSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUI CHEMICALS INC
17 patentsUS7888437B2Feb 15, 2011
Process for producing olefin polymer and solid titanium catalyst component
MITSUI CHEMICALS INC16 citations92
US7649062B2Jan 19, 2010
Solid titanium catalyst component, catalyst for polymerization of olefin and process for producing olefin polymer
MITSUI CHEMICALS INC39 citations92
US7888438B2Feb 15, 2011
Catalyst for olefin polymerization and process for olefin polymerization
MITSUI CHEMICALS INC17 citations83
US6255537B1Jul 3, 2001
Process for preparing poly(alkylene oxide)
MITSUI CHEMICALS INC17 citations83
US9676879B2Jun 13, 2017
Solid polyaluminoxane composition, olefin polymerization catalyst, olefin polymer production method and solid polyaluminoxane composition production method
MITSUI CHEMICALS INC5 citations82
US6153794ANov 28, 2000
Phosphine sulfide, a manufacturing process therefor and use thereof
MITSUI CHEMICALS INC9 citations73
US6130346AOct 10, 2000
Process for preparing an organic compound from an oxirane-containing compound in the presence of a tris(triaminophosphoranylideneamino)phosphine oxide
MITSUI CHEMICALS INC11 citations73
US6469224B1Oct 22, 2002
Process for preparation of substituted aromatic compound
MITSUI CHEMICALS INC11 citations72
US10870715B2Dec 22, 2020
Solid polyaluminoxane composition, olefin polymerization catalyst, olefin polymer production method and solid polyaluminoxane composition production method
MITSUI CHEMICALS INC1 citations71
US10150823B2Dec 11, 2018
Solid polyaluminoxane composition, olefin polymerization catalyst, olefin polymer production method and solid polyaluminoxane composition production method
MITSUI CHEMICALS INC3 citations71
US6528599B1Mar 4, 2003
Method for preparing living polymer in the presence of phosphazenium salt
MITSUI CHEMICALS INC5 citations62
US6177593B1Jan 23, 2001
[Tris(dimethylamino)phosphonioamino]tris[tris(dimethylamino)phosphoranylideneamino]phosphonium dichloride and preparation process thereof
MITSUI CHEMICALS INC2 citations62
US6090980AJul 18, 2000
Preparation process of iminotris ( Dimethylamino) phosphorane
MITSUI CHEMICALS INC4 citations62
US6762259B2Jul 13, 2004
Process for the production of living (co)polymers and use of the (co)polymers
MITSUI CHEMICALS INC3 citations60
US6444847B2Sep 3, 2002
Process for preparing phosphine oxides and process for purifying the same
MITSUI CHEMICALS INC0 citations51
US6303815B1Oct 16, 2001
Process for preparing phosphine oxides and process for purifying the same
MITSUI CHEMICALS INC0 citations51
US9616421B2Apr 11, 2017
Catalyst for olefin multimerization and method for producing olefin multimer in presence of catalyst for olefin multimerization
MITSUI CHEMICALS INC0 citations41