Granted Patent
Utility
US 5,525,359 · App. 07/975,582
Microcapsules having a combined atelocollagen/polyholoside wall coagulated by a divalent cation and method for manufacturing these microcapsules and cosmetic or pharmaceutical or food compositions containing them
Inventors:
Roland Allard, Alain Huc
Patented Case
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Granted: Jun 11, 1996
Filed: Feb 9, 1993
Inventors
Roland Allard
Alain Huc
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.