Granted Patent
Utility
US 5,352,525 · App. 08/025,335
Water-thinnable coating compositions
Inventors:
Klaus Huemke, Dieter Faul, Ulrich Heimann
Patented Case
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Granted: Oct 4, 1994
Filed: Feb 25, 1993
Inventors
Klaus Huemke
Dieter Faul
Ulrich Heimann
Assignee (at issue)
Basf Lacke & Farben 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.