1
Hiroshi Nishino, Toshio Aibe, Katsuya Noguchi: Process for removal of mercury vapor and adsorbent therefor. Takeda Chemical, Wenderoth Lind & Ponack, February 19, 1985: US04500327 (114 worldwide citation)

Mercury vapor in a gas can easily be removed from the gas by contacting the gas with an adsorbent comprising an activated carbon having as supported thereon (1) one or more components included in one of three groups shown below and (2) one or more components included in the remaining two groups show ...


2
Hiroshi Nishino, Toshio Aibe: Process for removal of poisonous gases. Takeda Chemical, Wenderoth Lind & Ponack, March 25, 1986: US04578256 (79 worldwide citation)

Hydrides of As, B, P, Sb or Se in a gas can easily be removed from the gas by contacting the gas with an adsorbent comprising activated carbon having (1) iodine and/or one or more kinds of iodine compounds and/or (2) one or more kinds of sulfates and nitrates of NH.sub.4, Ag, Al, Ti, V, Cr, Mn, Fe, ...


3
Toshio Aibe, Kazuo Shibata: Activated carbon honeycombs and applications thereof. Takeda Chemical, Wegner Cantor Mueller & Player, February 22, 1994: US05288306 (67 worldwide citation)

A gas containing malodorous/harmful components is treated with an iodine- and/or inorganic iodide-supporting activated carbon honeycomb 6 disposed in a gas passageway 5 extending from a gas inlet 3 to a gas outlet 4. The gas may be treated with this iodine-and/or inorganic iodide-supporting activate ...


4
Toshio Aibe, Kazuo Shibata: Activated carbon adsorbent and applications thereof. Takeda Chemical, Foley & Lardner, April 4, 1995: US05403548 (49 worldwide citation)

An alkali metal iodide and phosphoric acid are homogeneously supported on an activated carbon honeycomb, in respective amounts of 0.015 to 1.5 mg atoms as iodine and 1.4 to 7.0 mg equivalents per gram of activated carbon. The alkali metal iodide is potassium iodide. When both the chemicals are suppo ...


5
Hiroshi Nishino, Toshio Aibe, Fumiichi Ogino: Deodorization method. Takeda Chemical, Wenderoth Lind & Ponack, March 17, 1981: US04256728 (35 worldwide citation)

A deodorization method which comprises allowing a bad-smelling gas containing (a) hydrogen sulfide and/or a mercaptan, (b) a sulfide and/or a disulfide and (c) ammonia and/or an amine to contact (1) firstly with activated carbon, (2) then with activated carbon or clay mineral having an acid supporte ...


6
Nobutaka Ninomiya, Hiroshi Nishino, Toshio Aibe, Kiyoshi Itoga: Removal of nitrogen oxides. Takeda Chemical, Wenderoth Lind & Ponack, July 1, 1980: US04210628 (31 worldwide citation)

Nitrogen oxides contained in waste gases can be effectively removed from waste gases by a novel process which comprises contacting the waste gases with activated carbon in the presence of gaseous ammonia at a temperature between about 110.degree. C. and about 350.degree. C. to convert the nitrogen o ...


7
Hiroshi Nishino, Toshio Aibe: Method for removal of poisonous gases. Takeda Chemical, Wenderoth Lind & Ponack, June 10, 1986: US04594231 (31 worldwide citation)

Halogens and/or hydrogen halides in a gas can easily be removed from the gas by contacting the gas with an adsorbent comprising an activated carbon having as supported thereon (1) one or more components included in one of the three groups shown below and (2) one or more components included in the re ...


8
Toshio Aibe, Yoshio Tsutsumi, Katsuya Noguchi: Gas deodorization method. Takeda Chemical, Wenderoth Lind & Ponack, January 24, 1984: US04427630 (26 worldwide citation)

A sulfur compound and a nitrogen compound as ill-smelling components can efficiently be removed from a gas containing the same by bringing the gas into contact with an adsorbent comprising activated carbon having supported thereon bromine and a non-volatile acid.


9
Hiroshi Nishino, Toshio Aibe: Method for removal of poisonous gases. Takeda Chemical, Wenderoth Lind & Ponack, July 30, 1985: US04532115 (23 worldwide citation)

Hydrides of As, B, P, Sb or Se in a gas can easily be removed from the gas by contacting the gas with an adsorbent consisting of activated carbon containing:


10
Toshio Aibe, Kiyoshi Itoga: Method of deodorizing gas containing hydrogen sulfide and ammonia and/or amines. Takeda Chemical, Wenderoth Lind & Ponack, July 15, 1980: US04212852 (17 worldwide citation)

Malodorous gas containing (1) ammonia and/or amines and (2) hydrogen sulfide is deodorized by reacting the gas with oxygen in the presence of activated carbon having supported thereon at least a metal compound selected from the group consisting of vanadium compounds, molybdenum compounds and tungste ...