Granted Patent
Utility
US 4,902,525 · App. 07/180,480
Sweetener composition
Inventor:
Tsutomu Kondou
Patented Case
View Patent ↗
Granted: Feb 20, 1990
Filed: Apr 12, 1988
Inventor
Tsutomu Kondou
Assignees (at issue)
Mitsubishi Chemical Industries, Ltd.
Nikken Chemicals 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.