Granted Patent
Utility
US 4,338,259 · App. 06/173,715
Alpha-halogeno-beta-aminopropionitriles or the mineral acid salts thereof, and processes for production thereof
Inventors:
Ryuichi Mita, Akihiro Yamaguchi, Toshio Kato, Chojiro Higuchi, Hisamichi Murakami
Patented Case
View Patent ↗
Granted: Jul 6, 1982
Filed: Jul 30, 1980
Inventors
Ryuichi Mita
Akihiro Yamaguchi
Toshio Kato
Chojiro Higuchi
Hisamichi Murakami
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.