Granted Patent
Utility
US 5,114,993 · App. 07/642,243
Aqueous coating agent, process for its preparation, and its use for coating cans, based on acrylic monomers, epoxy-polyesters and methylol functional curing agents
Inventors:
Karl-Heinz Scherping, Hans-Jorg Holscher, Uwe Reichelt, Udo Reiter
Patented Case
View Patent ↗
Granted: May 19, 1992
Filed: Jan 8, 1991
Inventors
Karl-Heinz Scherping
Hans-Jorg Holscher
Uwe Reichelt
Udo Reiter
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.