Granted Patent
Utility
US 5,837,799 · App. 08/697,457
Fire-retardant compound, a process for producing said fire-retardant compound and a fire-retarded thermoplastic resin composition including said fire-retardant compound
Inventors:
Toshihiko Chen, Yoshiaki Nakamura, Tetsunori Sato, Yoshiyuki Morikawa
Patented Case
View Patent ↗
Granted: Nov 17, 1998
Filed: Aug 23, 1996
Inventors
Toshihiko Chen
Yoshiaki Nakamura
Tetsunori Sato
Yoshiyuki Morikawa
Assignee (at issue)
TOHTO KASEI CO., LTD.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.