Granted Patent
Utility
US 6,544,440 · App. 09/700,648
Coated bis(2-pyridinethiol-1-oxide) copper salt
Inventors:
Yasuhiro Kozasa, Yoshifumi Shibuya, Toshio Morishita, Yasuhiro Hidaka, Hiroyuki Akashi
Patented Case
View Patent ↗
Granted: Apr 8, 2003
Filed: Nov 17, 2000
Inventors
Yasuhiro Kozasa
Yoshifumi Shibuya
Toshio Morishita
Yasuhiro Hidaka
Hiroyuki Akashi
Assignee (at issue)
API 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.