Granted Patent
Utility
US 6,129,942 · App. 09/148,134
Sweetener salts of N-[N-(3,3-dimethylbutyl)-L-.alpha.-aspartyl]-L-phenylalanine 1-methyl ester
Inventors:
Indra Prakash, Zhi Guo
Patented Case
View Patent ↗
Granted: Oct 10, 2000
Filed: Sep 4, 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.