Inventor

MATSUI RYUHEI

JP3 patents

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

SUMITOMO CHEMICAL CO

2 patents

US4868276ASep 19, 1989

Process for producing polyphenylene oxide with alkanolamine and secondary amine

SUMITOMO CHEMICAL CO4 citations61

US5484831AJan 16, 1996

Polyphenylene ether resin composition

SUMITOMO CHEMICAL CO4 citations57

MITSUBISHI PETROCHEMICAL CO

1 patent

US4895929AJan 23, 1990

Process for producing polyphenylene ether, dispersing polyether in aqueous medium and heating dispersion

MITSUBISHI PETROCHEMICAL CO10 citations71