Granted Patent
Utility
US 6,057,415 · App. 09/058,072
Water dispersible polyisocyanates containing alkoxysilane groups
Inventors:
Richard R. Roesler, Myron W. Shaffer, Poli Yu, Lutz Schmalstieg
Patented Case
View Patent ↗
Granted: May 2, 2000
Filed: Apr 9, 1998
Inventors
Richard R. Roesler
Myron W. Shaffer
Poli Yu
Lutz Schmalstieg
Assignees (at issue)
Bayer Aktiengesellschaft
Bayer Aktiengesellschaft
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.