Granted Patent
Utility
US 5,139,935 · App. 07/659,472
Method of regulating expression of a foreign gene by controlling the sugar concentration in a medium and a process of producing a foreign product thereby
Inventors:
Nobuhiro Fukuhara, Setsuo Yoshino, Satori Sone, Yoshiyuki Nakajima, Nobuyoshi Makiguchi
Patented Case
View Patent ↗
Granted: Aug 18, 1992
Filed: Feb 25, 1991
Inventors
Nobuhiro Fukuhara
Setsuo Yoshino
Satori Sone
Yoshiyuki Nakajima
Nobuyoshi Makiguchi
Assignee (at issue)
Mitsui Toatsu Chemicals, Incorporated
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.