Granted Patent
Utility
US 5,166,261 · App. 07/576,823
High gloss ABS made by continuous process
Inventors:
Wan C. Wu, Vincent A. Aliberti
Patented Case
View Patent ↗
Granted: Nov 24, 1992
Filed: Sep 4, 1990
Inventors
Wan C. Wu
Vincent A. Aliberti
Assignee (at issue)
Monsanto Company
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.