Granted Patent
Utility
US 5,973,209 · App. 08/893,562
Method for preparing 3, 3-dimethybutyraldehyde
Inventors:
Indra Prakash, Marie-Christine D. Chapeau
Patented Case
View Patent ↗
Granted: Oct 26, 1999
Filed: Jul 11, 1997
Inventors
Indra Prakash
Marie-Christine D. Chapeau
Assignee (at issue)
The NutraSweet Company
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.