Inventor
YOSIZATO AKIHIKO
JP4 patents
Patents
4 patentsUS5879799AMar 9, 1999
Elastic polyurethane fibers and process for production thereof
ASAHI CHEMICAL IND35 citations90
US4365032ADec 21, 1982
Monoester compound of 2,2-alkylidene bis(4,6-di-substituted phenol)
ASAHI CHEMICAL IND30 citations89
US5414118AMay 9, 1995
Diaminourea compound and process for production thereof and high heat resistant polyurethaneurea and process for production thereof
ASAHI CHEMICAL IND9 citations68
US5576410ANov 19, 1996
Diaminourea compound and process for production thereof and high heat resistant polyurethaneurea and process for production thereof
ASAHI CHEMICAL IND3 citations57