Granted Patent
Utility
US 6,812,001 · App. 10/029,316
Isolation of carotenoid crystals from microbial biomass
Inventors:
Mieke Sibeijn, Robertus Mattheus De Pater
Patented Case
View Patent ↗
Granted: Nov 2, 2004
Filed: Dec 20, 2001
Inventors
Mieke Sibeijn
Robertus Mattheus De Pater
Assignee (at issue)
DSM N.V.
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.