Granted Patent
Utility
US 5,688,973 · App. 08/523,339
Process for the production of 2-vinyl-1,3-dioxolane
Inventors:
Mathias Hoepp, Dietrich Arntz, Wolfgang Boeck, Andreas Bosse-Plois, Klaus Raible
Patented Case
View Patent ↗
Granted: Nov 18, 1997
Filed: Sep 5, 1995
Inventors
Mathias Hoepp
Dietrich Arntz
Wolfgang Boeck
Andreas Bosse-Plois
Klaus Raible
Assignee (at issue)
Degussa AG
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.