Granted Patent
Utility
US 6,812,283 · App. 10/333,612
Method for agglomerating dispersed rubber
Inventors:
Wil Duijzings, Sabine Oepen, Norbert Niessner, Michael Breulmann, Hardy Korb
Patented Case
View Patent ↗
Granted: Nov 2, 2004
Filed: Jan 22, 2003
Inventors
Wil Duijzings
Sabine Oepen
Norbert Niessner
Michael Breulmann
Hardy Korb
Assignee (at issue)
BASF SE
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.