Granted Patent
Utility
US 4,263,313 · App. 05/880,155
Topical pharmaceutical formulations, carrier compositions therefor, and preparation thereof
Inventors:
Theodor Eckert, Fritz H. Kemper, Martin Wischniewski, Reinhard Hempel
Patented Case
View Patent ↗
Granted: Apr 21, 1981
Filed: Feb 22, 1978
Inventors
Theodor Eckert
Fritz H. Kemper
Martin Wischniewski
Reinhard Hempel
Assignee (at issue)
Kali-Chemie Pharma GmbH
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.