Granted Patent
Utility
US 6,228,903 · App. 09/283,954
Exfoliated layered materials and nanocomposites comprising said exfoliated layered materials having water-insoluble oligomers or polymers adhered thereto
Inventors:
Gary W. Beall, Fernando Serrano, Hannah T. Cruz
Patented Case
View Patent ↗
Granted: May 8, 2001
Filed: Apr 1, 1999
Inventors
Gary W. Beall
Fernando Serrano
Hannah T. Cruz
Assignee (at issue)
AMCOL INTERNATIONAL 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.