Granted Patent
Utility
US 5,861,055 · App. 08/822,078
Polishing composition for CMP operations
Inventors:
Derryl D. J. Allman, William J. Crosby, James A. Maiolo
Patented Case
View Patent ↗
Granted: Jan 19, 1999
Filed: Mar 20, 1997
Inventors
Derryl D. J. Allman
William J. Crosby
James A. Maiolo
Assignee (at issue)
LSI Logic Corporation
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.