P

Inventor

MITARAI KEIJI

JP7 patents
⚠️ This page may combine multiple inventors who share the name “MITARAI KEIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOYO SODA MFG CO LTD

4 patents
US4157379AJun 5, 1979

Process for producing chain structured corpuscular calcium carbonate

TOYO SODA MFG CO LTD56 citations95
US4845297AJul 4, 1989

Process for producing polyamines

TOYO SODA MFG CO LTD7 citations72
US4625064ANov 25, 1986

Method for producing bis [β(N,N-dimethylamino)ethyl]ether

TOYO SODA MFG CO LTD15 citations72
US4492803AJan 8, 1985

Method for producing bis[β-(N,N-dimethylamino)alkyl]-ether

TOYO SODA MFG CO LTD3 citations61

TOSOH CORP

2 patents
US5039424AAug 13, 1991

Method for treating an amine-containing waste water

TOSOH CORP6 citations69
US4980507ADec 25, 1990

Process for producing polyethylenepolyamine

TOSOH CORP6 citations59

AGENCY IND SCIENCE TECHN

1 patent
US4758600AJul 19, 1988

Process for the manufacture of ethanol

AGENCY IND SCIENCE TECHN61 citations91