Granted Patent
Utility
US 4,919,928 · App. 07/034,712
Conjugates in which a monovalent carboxylic ionophore is associated by means of a covalent bond with a macromolecule, their use as immunotoxin potentiators and the intermediate activated ionophores
Inventors:
Franz Jansen, Pierre Gros
Patented Case
View Patent ↗
Granted: Apr 24, 1990
Filed: Apr 6, 1987
Inventors
Franz Jansen
Pierre Gros
Assignee (at issue)
Sanofi
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.