Granted Patent
Utility
US 6,541,579 · App. 09/996,011
Free radical inhibitors for quenching aqueous phase polymer growth and related methods
Inventor:
Robert L. Albright
Patented Case
View Patent ↗
Granted: Apr 1, 2003
Filed: Nov 28, 2001
Inventor
Robert L. Albright
Assignee (at issue)
SUN DRILLING PRODUCTS CORPORATION
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.