Granted Patent
Utility
US 5,534,655 · App. 08/392,508
Process for preparing acrylamide
Inventors:
Yoshihiko Kambara, Yoshikazu Uehara, Takeya Abe, Koichi Asao
Patented Case
View Patent ↗
Granted: Jul 9, 1996
Filed: Feb 23, 1995
Inventors
Yoshihiko Kambara
Yoshikazu Uehara
Takeya Abe
Koichi Asao
Assignee (at issue)
Mitsui Toatsu Chemicals, Incorporated
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.