Granted Patent
Utility
US 5,714,201 · App. 08/713,649
Process for reducing dissolution time in the production and/or coating of sodium percarbonate
Inventors:
Martin Bewersdorf, Birgit Bertsch-Frank, Wolfgang Lortz
Patented Case
View Patent ↗
Granted: Feb 3, 1998
Filed: Sep 13, 1996
Inventors
Martin Bewersdorf
Birgit Bertsch-Frank
Wolfgang Lortz
Assignee (at issue)
Degussa AG
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.