Granted Patent
Utility
US 6,544,489 · App. 09/754,082
Defoaming compositions for high acid strength media
Inventor:
Timothy Cameron
Patented Case
View Patent ↗
Granted: Apr 8, 2003
Filed: Jan 5, 2001
Inventor
Timothy Cameron
Assignee (at issue)
Custom Chemicals 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.