Granted Patent
Utility
US 6,231,825 · App. 09/363,103
Production of sodium borohydride from sodium borohydride dihydrate in a fluidized bed dryer
Inventors:
Richard J. Colby, Lise L. Mahoney, Austin L. Eiseman, Walter A. Richardson
Patented Case
View Patent ↗
Granted: May 15, 2001
Filed: Jul 29, 1999
Inventors
Richard J. Colby
Lise L. Mahoney
Austin L. Eiseman
Walter A. Richardson
Assignee (at issue)
Rohm and Haas Company
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.