Granted Patent
Utility
US 6,709,746 · App. 10/163,817
Reducing concentration of organic materials with substituted cyclodextrin compound in polyester packaging materials
Inventors:
Willard E. Wood, Neil J. Beaverson, Phillip Lawonn, Xiaoyan Huang
Patented Case
View Patent ↗
Granted: Mar 23, 2004
Filed: Jun 5, 2002
Inventors
Willard E. Wood
Neil J. Beaverson
Phillip Lawonn
Xiaoyan Huang
Assignees (at issue)
Arteva North America S.A.R.L.
Cellresin 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.