Granted Patent
Utility
US 5,391,321 · App. 08/021,718
Liquid or pasty, storage-stable multiple emulsions of the O.sup.1 /W/O.sup. 2
Inventors:
Burghard Gruning, Peter Hameyer, Christian Weitemeyer
Patented Case
View Patent ↗
Granted: Feb 21, 1995
Filed: Feb 24, 1993
Inventors
Burghard Gruning
Peter Hameyer
Christian Weitemeyer
Assignee (at issue)
Th. Goldschmidt. 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.