Granted Patent
Utility
US 6,451,865 · App. 09/485,545
Foam composition comprising oil, thermoplastic elastomer and expandable particles
Inventors:
Peter Migchels, Olivier Roumache
Patented Case
View Patent ↗
Granted: Sep 17, 2002
Filed: Feb 14, 2000
Inventors
Peter Migchels
Olivier Roumache
Assignee (at issue)
KRATON POLYMERS LLC
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.