Granted Patent
Utility
US 5,164,501 · App. 07/836,713
Method of preparing pure 3-butenyl triorganooxysilanes, the intermediate products 3,4-dichlorobutyl triorganooxysilanes and use of the final products
Inventors:
Ulrich Deschler, Peter Kleinschmit, Siegfried Wolff, Ewe-Hong Tan
Patented Case
View Patent ↗
Granted: Nov 17, 1992
Filed: Feb 19, 1992
Inventors
Ulrich Deschler
Peter Kleinschmit
Siegfried Wolff
Ewe-Hong Tan
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.