Granted Patent
Utility
US 4,946,790 · App. 07/151,234
Recombinant plasmid for the expression of L-phenylalanine ammonia-lyase and transformed strain carrying same
Inventors:
Nobuhiro Fukuhara, Setsuo Yoshino, Satori Sone, Yoshiyuki Nakajima, Nobuyoshi Makiguchi
Patented Case
View Patent ↗
Granted: Aug 7, 1990
Filed: Feb 1, 1988
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.