Granted Patent
Utility
US 6,579,946 · App. 10/043,619
Low-gloss biaxially oriented films comprising vinyl aromatic polymers and substantially non-spherical rubber particles
Inventor:
Chieh-Chun Chau
Patented Case
View Patent ↗
Granted: Jun 17, 2003
Filed: Jan 10, 2002
Inventor
Chieh-Chun Chau
Assignee (at issue)
Dow Global Technologies 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.