Granted Patent
Utility
US 5,977,053 · App. 08/653,000
Detergents and cleaners containing iminodisuccinates
Inventors:
Torsten Groth, Winfried Joentgen, Hans-Joachim Traenckner
Patented Case
View Patent ↗
Granted: Nov 2, 1999
Filed: May 24, 1996
Inventors
Torsten Groth
Winfried Joentgen
Hans-Joachim Traenckner
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.