Granted Patent
Utility
US 6,635,729 · App. 09/767,474
Process for the preparation of water-soluble &pgr;-conjugated polymers
Inventors:
Lambertus Groenendaal, Friedrich Jonas, Tom Cloots, Frank Louwet
Patented Case
View Patent ↗
Granted: Oct 21, 2003
Filed: Jan 23, 2001
Inventors
Lambertus Groenendaal
Friedrich Jonas
Tom Cloots
Frank Louwet
Assignees (at issue)
Bayer Aktiengesellschaft
Agfa-Gevaert NV
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.