Granted Patent
Utility
US 6,060,622 · App. 08/957,379
Methods of reproducing lactic acid components by using lactic acid based by-products
Inventors:
Hisashi Okuyama, Makoto Ogaito, Tatsushi Kawamoto, Takashi Kawabe, Yasumasa Horibe
Patented Case
View Patent ↗
Granted: May 9, 2000
Filed: Oct 24, 1997
Inventors
Hisashi Okuyama
Makoto Ogaito
Tatsushi Kawamoto
Takashi Kawabe
Yasumasa Horibe
Assignee (at issue)
SHIMADZU 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.