Granted Patent
Utility
US 5,562,924 · App. 08/295,886
Polysaccharide wall microcapsules containing primary alcohol functions and compositions containing same
Inventors:
Eric Perrier, Chantal Buffevant
Patented Case
View Patent ↗
Granted: Oct 8, 1996
Filed: Sep 8, 1994
Inventors
Eric Perrier
Chantal Buffevant
Assignee (at issue)
Coletica
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.