Inventor
SAKAI TAKEYO
4 patents
Patents
4 patentsUS4016122AApr 5, 1977
Anionic aqueous polyurethane having blocked NCO groups and process
KAO CORP23 citations80
US4036801AJul 19, 1977
Aqueous amphoteric polyurethane having blocked NCO groups and process
KAO CORP7 citations72
US4016121AApr 5, 1977
Aqueous polyurethane having blocked NCO groups and process
KAO CORP9 citations72
US4016120AApr 5, 1977
Aqueous cationic polyurethane having blocked NCO groups and process
KAO CORP13 citations72