Granted Patent
Utility
US 6,630,540 · App. 09/850,511
Covulcanizable anti-aging agents
Inventors:
Christian Laue, Markus Oberthür
Patented Case
View Patent ↗
Granted: Oct 7, 2003
Filed: May 7, 2001
Inventors
Christian Laue
Markus Oberthür
Assignee (at issue)
Bayer 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.