Granted Patent
Utility
US 6,759,486 · App. 10/142,933
Sulfur-functional polyorganosiloxanes
Inventors:
Hans-Detlef Luginsland, Roland Krafczyk, Wolfgang Lortz
Patented Case
View Patent ↗
Granted: Jul 6, 2004
Filed: May 13, 2002
Inventors
Hans-Detlef Luginsland
Roland Krafczyk
Wolfgang Lortz
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.