Granted Patent
Utility
US 5,994,593 · App. 09/154,150
Synthesis and purification of 3,3-dimethylbutyraldehyde via hydrolysis of 1,1-dichloro-3,3-dimethylbutane or 1-bromo-1-chloro-3,3-dimethylbutane
Inventors:
Indra Prakash, Zhi Guo
Patented Case
View Patent ↗
Granted: Nov 30, 1999
Filed: Sep 17, 1998
Inventors
Indra Prakash
Zhi Guo
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.