Granted Patent
Utility
US 5,468,419 · App. 07/740,403
Preparation of C.sub.9 alcohol mixture and plasticizer
Inventors:
Chihiro Miyazawa, Souichi Orita, Akio Tsuboi
Patented Case
View Patent ↗
Granted: Nov 21, 1995
Filed: Aug 5, 1991
Inventors
Chihiro Miyazawa
Souichi Orita
Akio Tsuboi
Assignee (at issue)
MITSUBISHI CHEMICAL 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.