Granted Patent
Utility
US 6,476,127 · App. 09/711,553
Compositions containing polycarbonate and grafted rubber having improved low-temperature toughness
Inventors:
Lora Lee Spangler, Venkatarayaloo Janarthanan
Patented Case
View Patent ↗
Granted: Nov 5, 2002
Filed: Nov 13, 2000
Inventors
Lora Lee Spangler
Venkatarayaloo Janarthanan
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.