Granted Patent
Utility
US 6,809,170 · App. 10/690,953
Moisture-curable, polyether urethanes with reactive silane groups and their use as sealants, adhesive and coatings
Inventors:
Richard R. Roesler, Derek L. Crawford, Kurt C. Frisch, Karsten Danielmeier, Dinesh Pethiyagoda, Gerhard Ruttmann
Patented Case
View Patent ↗
Granted: Oct 26, 2004
Filed: Oct 22, 2003
Inventors
Richard R. Roesler
Derek L. Crawford
Kurt C. Frisch
Karsten Danielmeier
Dinesh Pethiyagoda
Gerhard Ruttmann
Assignees (at issue)
Bayer MaterialScience AG
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.