Granted Patent
Utility
US 5,905,175 · App. 09/081,609
Synthesis and purification of 3,3-dimethylbutyraldehyde via oxidation of 1-chloro-3,3-dimethylbutane with dimethyl sulfoxide
Inventors:
Zhi Guo, Indra Prakash
Patented Case
View Patent ↗
Granted: May 18, 1999
Filed: May 20, 1998
Inventors
Zhi Guo
Indra Prakash
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.