Inventor
OGAWA YASUO
16 patents
⚠️ This page may combine multiple inventors who share the name “OGAWA YASUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NITTO CHEMICAL INDUSTRY CO LTD
9 patentsUS4306045ADec 15, 1981
Process for producing acrylamide polymers
NITTO CHEMICAL INDUSTRY CO LTD22 citations81
US4851342AJul 25, 1989
Method for producing acrylamide using a microorganism
NITTO CHEMICAL INDUSTRY CO LTD9 citations73
US4421855ADec 20, 1983
Production of acrylamide using immobilized cells
NITTO CHEMICAL INDUSTRY CO LTD10 citations73
US4390631AJun 28, 1983
Process for producing bacteria having high nitrilase activity
NITTO CHEMICAL INDUSTRY CO LTD11 citations73
US3968093AJul 6, 1976
Process for producing partially hydrolyzed polyacrylamide in the presence of alkali metal hydroxide and boric acid
NITTO CHEMICAL INDUSTRY CO LTD12 citations73
US4514551AApr 30, 1985
Process for the preparation of cationic polymers
NITTO CHEMICAL INDUSTRY CO LTD12 citations72
US4306048ADec 15, 1981
Method for preparing acrylamide polymers
NITTO CHEMICAL INDUSTRY CO LTD8 citations72
US3951934AApr 20, 1976
Polymerization of acrylamide in the presence of water-soluble nitrogen compounds
NITTO CHEMICAL INDUSTRY CO LTD12 citations72
US3947518AMar 30, 1976
Process for purifying acrylamides
NITTO CHEMICAL INDUSTRY CO LTD5 citations62