Granted Patent
Utility
US 6,139,911 · App. 09/051,438
Release agent for rolls and method for improving release properties of rolls
Inventors:
Franck Andre Vanhecke, Esther Dina Guido Basstanie
Patented Case
View Patent ↗
Granted: Oct 31, 2000
Filed: Jun 22, 1998
Inventors
Franck Andre Vanhecke
Esther Dina Guido Basstanie
Assignee (at issue)
Betzdearborn, Inc.
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.