Granted Patent
Utility
US 6,830,692 · App. 09/399,743
Amino acid composition for hemodialysis
Inventors:
Karlheinz Drauz, Guenter Knaup, Gerard Richet, Werner Kleophas, Adolf Gruenert
Patented Case
View Patent ↗
Granted: Dec 14, 2004
Filed: Sep 20, 1999
Inventors
Karlheinz Drauz
Guenter Knaup
Gerard Richet
Werner Kleophas
Adolf Gruenert
Assignee (at issue)
Degussa AG
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.