Granted Patent
Utility
US 4,448,908 · App. 06/440,986
Latex, biologically active latex conjugates and a process for their preparation
Inventors:
Hans-Erwin Pauly, Wolfgang Kapmeyer, Ulrich Seitz
Patented Case
View Patent ↗
Granted: May 15, 1984
Filed: Nov 12, 1982
Inventors
Hans-Erwin Pauly
Wolfgang Kapmeyer
Ulrich Seitz
Assignee (at issue)
Behringwerke Aktiengesellschaft
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.