Granted Patent
Utility
US 6,107,518 · App. 09/381,792
Preparation and use of iminodisuccinic acid salts
Inventors:
Torsten Groth, Winfried Joentgen, Paul Wagner, Frank Dobert, Eckhard Wenderoth, Thomas Roick
Patented Case
View Patent ↗
Granted: Aug 22, 2000
Filed: Sep 24, 1999
Inventors
Torsten Groth
Winfried Joentgen
Paul Wagner
Frank Dobert
Eckhard Wenderoth
Thomas Roick
Assignee (at issue)
Bayer Aktiengesellschaft
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.