Granted Patent
Utility
US 5,872,276 · App. 08/964,565
Process for preparing dialkyl succinates
Inventor:
Gerhard Darsow
Patented Case
View Patent ↗
Granted: Feb 16, 1999
Filed: Nov 5, 1997
Inventor
Gerhard Darsow
Assignee (at issue)
Bayer Aktiengesellschaft
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.