Inventor
KIHARA KEIICHI
13 patents
⚠️ This page may combine multiple inventors who share the name “KIHARA KEIICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYO SODA MFG CO LTD
11 patentsUS4250339AFeb 10, 1981
Process for producing methacrolein
TOYO SODA MFG CO LTD34 citations91
US4256836AMar 17, 1981
Addition compound of dipeptide derivative and amino acid derivative
TOYO SODA MFG CO LTD20 citations81
US4165311AAug 21, 1979
Addition compound of dipeptide derivative and amino acid derivative
TOYO SODA MFG CO LTD30 citations81
US4110366AAug 29, 1978
Process for producing alkali metal styrenesulfonate
TOYO SODA MFG CO LTD7 citations72
US4436925AMar 13, 1984
Addition compound of dipeptide derivative and amino acid derivative
TOYO SODA MFG CO LTD11 citations71
US4174459ANov 13, 1979
Process for producing methacrylic acid
TOYO SODA MFG CO LTD17 citations69
US3943161AMar 9, 1976
Process for producing conjugated dienes containing a cyano group
TOYO SODA MFG CO LTD2 citations62
US4302306ANov 24, 1981
Bromination of side chain of m-phenoxytoluene
TOYO SODA MFG CO LTD4 citations60
US4115436ASep 19, 1978
Process for producing ammonium p-styrenesulfonate
TOYO SODA MFG CO LTD4 citations60
US4061669ADec 6, 1977
Process for producing ammonium p-styrenesulfonate
TOYO SODA MFG CO LTD2 citations60
US4029640AJun 14, 1977
Process for producing ammonium aromatic sulfonate
TOYO SODA MFG CO LTD5 citations60