04259303 is referenced by 25 patents and cites 2 patents.

The present invention provides a method of treating a waste anesthetic gas by contacting the laughing gas contained in the waste anesthetic gas with a catalyst comprising one or more metal oxides selected from the group consisting of ferric oxide, cobalt oxide, cupric oxide, chromium oxide, manganese dioxide and nickel oxide to decompose the laughing gas into nitrogen and oxygen. This method is of practical value for preventing the neighborhood of hospitals from environmental pollution problem.

Title
Method of and system for treating waste anesthetic gas
Application Number
6/84830
Publication Number
4259303
Application Date
October 15, 1979
Publication Date
March 31, 1981
Inventor
Seishiro Nakamura
Kurashiki
JP
Seisuke Takashima
Kurashiki
JP
Osamu Nakaji
Sakura
JP
Agent
Oblon Fisher Spivak McClelland & Maier
Assignee
Kuraray
JP
IPC
B01D 53/36
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