P

Inventor

KITA YUICHI

JP43 patents
⚠️ This page may combine multiple inventors who share the name “KITA YUICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIPPON CATALYTIC CHEM IND

20 patents
US5834576ANov 10, 1998

Acrylic acid derivatives, method for preparing the acrylic acid derivatives, and acrylic acid polymers

NIPPON CATALYTIC CHEM IND49 citations91
US5045233ASep 3, 1991

Method for inhibiting polymerization of maleimides

NIPPON CATALYTIC CHEM IND32 citations89
US5556991ASep 17, 1996

Maleimide compounds having improved in storage stability

NIPPON CATALYTIC CHEM IND10 citations74
US4851547AJul 25, 1989

Method for production of maleimides

NIPPON CATALYTIC CHEM IND17 citations73
US4786738ANov 22, 1988

Method for production of maleimides

NIPPON CATALYTIC CHEM IND14 citations73
US4780546AOct 25, 1988

Method for production of N-phenyl and N-cyclohexyl maleimides

NIPPON CATALYTIC CHEM IND5 citations73
US4623734ANov 18, 1986

Method for production of maleimides

NIPPON CATALYTIC CHEM IND15 citations73
US4436922AMar 13, 1984

Method for manufacture of high-purity phthalic anhydride

NIPPON CATALYTIC CHEM IND13 citations73
US6063302AMay 16, 2000

Method for handling iminocarboxylic acid salt

NIPPON CATALYTIC CHEM IND7 citations72
US5703270ADec 30, 1997

Method for preparing a vinyl compound having a hydroxy group

NIPPON CATALYTIC CHEM IND14 citations72
US4980483ADec 25, 1990

Method for production of maleimides

NIPPON CATALYTIC CHEM IND10 citations71
US5149827ASep 22, 1992

Method for handling maleimides

NIPPON CATALYTIC CHEM IND5 citations63
US5783678AJul 21, 1998

Acrylic ester derivative and producing of the same and acrylic-ester-based polymer

NIPPON CATALYTIC CHEM IND5 citations62
US5905160AMay 18, 1999

Method for production of epoxy compound and hydroxy iminodisuccinic acid

NIPPON CATALYTIC CHEM IND6 citations61
US5523414AJun 4, 1996

Method for production of maleinamic acid, esters thereof, and maleinimide

NIPPON CATALYTIC CHEM IND3 citations61
US5801277ASep 1, 1998

Solid catalyst for etherification reaction and production process for ether compound using this catalyst

NIPPON CATALYTIC CHEM IND6 citations58
US10106488B2Oct 23, 2018

Hydrogenation reaction method

NIPPON CATALYTIC CHEM IND0 citations52
US4962205AOct 9, 1990

Method for transportation and storage of N-phenyl maleimide in molten form

NIPPON CATALYTIC CHEM IND1 citations52
US5760278AJun 2, 1998

Stabilization method of vinyl compound with hydroxy group and composition containing such vinyl compound

NIPPON CATALYTIC CHEM IND0 citations51
US6733693B1May 11, 2004

Acrylonitrile solutions of maleimides, method for preparation thereof, and acrylonitrile based copolymers obtained by use of the solutions

NIPPON CATALYTIC CHEM IND0 citations38

SHARP KK

14 patents

HOKKO CHEM IND CO

5 patents

ZAIDAN HOJIN BISEIBUTSU

1 patent

SOKUBAI KAGAKU KOGYO CO LTD

1 patent

YAMAGUCHI MASANORI

1 patent

NIPPON SHOKUBAI LTD

1 patent