Granted Patent
Utility
US 6,391,997 · App. 09/623,600
Method for producing diene-based rubber polymer latex
Inventors:
Masaki Sugihara, Hideaki Makino, Kouji Matsumura, Shinji Furuta, Makoto Kawano
Patented Case
View Patent ↗
Granted: May 21, 2002
Filed: Sep 5, 2000
Inventors
Masaki Sugihara
Hideaki Makino
Kouji Matsumura
Shinji Furuta
Makoto Kawano
Assignee (at issue)
MITSUBISHI ELECTRIC CORPORATION
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.