Granted Patent
Utility
US 5,622,656 · App. 08/328,903
Process of manufacture of biodegradable microcapsules having walls composed of crosslinked atelocollagen and polyholosides
Inventors:
Alain Huc, Marie-Christine Levy, Chantal Buffevant, Marie-Christine Andry
Patented Case
View Patent ↗
Granted: Apr 22, 1997
Filed: Oct 25, 1994
Inventors
Alain Huc
Marie-Christine Levy
Chantal Buffevant
Marie-Christine Andry
Assignee (at issue)
Bioetica, Inc.
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.