Granted Patent
Utility
US 4,806,548 · App. 07/081,496
Anti-ulcer composition
Inventors:
Nedyalka S. Ivanova, Tshavdar B. Ivanov, Margarita D. Dryanska, Orhideya B. Zabunova, Lilyana D. Dalleva, Milka P. Nikolova, Nikolina D. Berova, Rossitza S. Rakovska, Maria S. Stoyanova, Sascha R. Mihaylova, Milka A. Luna, Jossif N. Nissimou, Snejana G. Vitkova, Vladimir K. Matov, Boris K. Dimitrov, Grigor M. Metshkov
Patented Case
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Granted: Feb 21, 1989
Filed: Aug 4, 1987
Inventors
Nedyalka S. Ivanova
Tshavdar B. Ivanov
Margarita D. Dryanska
Orhideya B. Zabunova
Lilyana D. Dalleva
Milka P. Nikolova
Nikolina D. Berova
Rossitza S. Rakovska
Maria S. Stoyanova
Sascha R. Mihaylova
Milka A. Luna
Jossif N. Nissimou
Snejana G. Vitkova
Vladimir K. Matov
Boris K. Dimitrov
Grigor M. Metshkov
Assignee (at issue)
TPO Pharmachim
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.