Granted Patent
Utility
US 6,063,863 · App. 09/221,033
Aqueous compositions containing colloidal silica and compounds with alkoxysilane and/or silanol groups
Inventors:
Poli Yu, William Corso, Richard R. Roesler, Joseph Kleer
Patented Case
View Patent ↗
Granted: May 16, 2000
Filed: Dec 23, 1998
Inventors
Poli Yu
William Corso
Richard R. Roesler
Joseph Kleer
Assignee (at issue)
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.