Inventor
ARAKAWA MASATOSHI
JP9 patents
⚠️ This page may combine multiple inventors who share the name “ARAKAWA MASATOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
JAPAN SYNTHETIC RUBBER CO LTD
8 patentsUS4504692AMar 12, 1985
Process for producing 1,3-butadiene
JAPAN SYNTHETIC RUBBER CO LTD56 citations91
US4401515AAug 30, 1983
Process for producing 1,3-butadiene or 2-methyl-1,3-butadiene having high purity
JAPAN SYNTHETIC RUBBER CO LTD8 citations71
US4246427AJan 20, 1981
Process for producing methacrylic acid
JAPAN SYNTHETIC RUBBER CO LTD8 citations71
US4138419AFeb 6, 1979
Cyclopentadiene derivative
JAPAN SYNTHETIC RUBBER CO LTD8 citations71
US4147848AApr 3, 1979
Process for purification of isoprene
JAPAN SYNTHETIC RUBBER CO LTD13 citations69
US4048147ASep 13, 1977
Carboxylic acid of cyclopentadiene derivative, salt thereof, or ester thereof and process for producing these compositions
JAPAN SYNTHETIC RUBBER CO LTD5 citations60
US4390717AJun 28, 1983
Process for preparing carboxylic acid esters of dicyclopentadienes
JAPAN SYNTHETIC RUBBER CO LTD4 citations58
US4370447AJan 25, 1983
Unsaturated polyester resin compositions
JAPAN SYNTHETIC RUBBER CO LTD0 citations37