Granted Patent
Utility
US 5,630,945 · App. 08/517,760
Method for recovering uncrosslinked synthetic resin waste
Inventors:
Yasuyuki Takayanagi, Satoshi Endoh, Naoki Sugama, Masaru Sugita
Patented Case
View Patent ↗
Granted: May 20, 1997
Filed: Aug 22, 1995
Inventors
Yasuyuki Takayanagi
Satoshi Endoh
Naoki Sugama
Masaru Sugita
Assignee (at issue)
Nitto Chemical Industry 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.