Granted Patent
Utility
US 6,403,746 · App. 09/450,746
Method for preparation of a composition that contains polymer ester compounds with long-chain alkyl residues and use of this composition
Inventors:
Sebastian Roos, Joseph M. Bollinger, Markus Scherer, Boris Eisenberg
Patented Case
View Patent ↗
Granted: Jun 11, 2002
Filed: Nov 30, 1999
Inventors
Sebastian Roos
Joseph M. Bollinger
Markus Scherer
Boris Eisenberg
Assignee (at issue)
RohMax Additives GmbH
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.