Granted Patent
Utility
US 6,143,543 · App. 08/975,600
Enzyme system comprising ferulic acid esterase from Aspergillus
Inventors:
Birgit Michelsen, Ronald Peter de Vries, Jacob Visser, J.o slashed.rn Borch S.o slashed.e, Charlotte Horsmans Poulsen, Masoud Rajabi Zargahi
Patented Case
View Patent ↗
Granted: Nov 7, 2000
Filed: Nov 21, 1997
Inventors
Birgit Michelsen
Ronald Peter de Vries
Jacob Visser
J.o slashed.rn Borch S.o slashed.e
Charlotte Horsmans Poulsen
Masoud Rajabi Zargahi
Assignee (at issue)
DANISCO A/S
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.