Granted Patent
Utility
US 4,208,301 · App. 05/922,674
Microemulsion defoamer compositions and processes for their production and use
Inventor:
Charles Theodore Gammon
Patented Case
View Patent ↗
Granted: Jun 17, 1980
Filed: Jul 7, 1978
Inventor
Charles Theodore Gammon
Assignee (at issue)
Diamond Shamrock 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.