Inventor
HATA TADASHIGE
JP7 patents
Patents
7 patentsUS5948844ASep 7, 1999
Polyacetal resin composition
ASAHI CHEMICAL IND21 citations90
US5294670AMar 15, 1994
Polyacetal copolymer and composition thereof
ASAHI CHEMICAL IND7 citations72
US6399699B1Jun 4, 2002
Polyacetal resin composition excellent in aging resistance
ASAHI CHEMICAL IND12 citations71
US5364900ANov 15, 1994
Stabilized acetal resin compositions
ASAHI CHEMICAL IND7 citations71
US4962235AOct 9, 1990
Process for producing high purity formaldehyde
ASAHI CHEMICAL IND12 citations71
US5206325AApr 27, 1993
Thermoplastic graft copolymer and process for producing the same
ASAHI CHEMICAL IND13 citations68
US5306769AApr 26, 1994
Acetal copolymer and process for producing same
ASAHI CHEMICAL IND2 citations60