Granted Patent
Utility
US 6,410,698 · App. 09/622,919
Reactive dyes with a combination anchor
Inventors:
Frank Prechtl, Manfred Patsch
Patented Case
View Patent ↗
Granted: Jun 25, 2002
Filed: Sep 7, 2000
Inventors
Frank Prechtl
Manfred Patsch
Assignee (at issue)
BASF SE
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.