Granted Patent
Utility
US 5,314,935 · App. 07/920,572
Bitumen/polymer component making it possible to obtain bitumen/polymer compositions with very low thermal sensitivity, capable of being employed for the production of surfacings
Inventors:
Pierre Chaverot, Claude Lacour
Patented Case
View Patent ↗
Granted: May 24, 1994
Filed: Oct 6, 1992
Inventors
Pierre Chaverot
Claude Lacour
Assignee (at issue)
Elf Antar France
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.