Granted Patent
Utility
US 4,704,428 · App. 06/933,136
Silyl substituted cyclopentadiene, process for its production and synthetic resin and rubber mixtures containing it
Inventors:
Ulrich Deschler, Peter Panster, Peter Kleinschmit, Siegfried Wolff, Ewe-Hong Tan
Patented Case
View Patent ↗
Granted: Nov 3, 1987
Filed: Nov 21, 1986
Inventors
Ulrich Deschler
Peter Panster
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.