Granted Patent
Utility
US 6,809,143 · App. 09/775,498
Gel compositions based on reaction products of polyols and polyisocyanates
Inventors:
Rudiger Nowak, Helmut Steinbach, Adolf Stender
Patented Case
View Patent ↗
Granted: Oct 26, 2004
Filed: Feb 5, 2001
Inventors
Rudiger Nowak
Helmut Steinbach
Adolf Stender
Assignee (at issue)
TechnoGel GmbH
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.