Morrison & Foerster LLP
Hydrocarbon adsorbent for exhaust gas cleaning, exhaust gas cleaning catalyst and exhaust gas cleaning device
 In order to adsorb effectively various kind of hydrocarbons each having a different size 6, a zeolite having a larger pore 8, a zeolite having a smaller pore 6 and a zeolite having an in-between pores 7 are present together very closely located very closely to one another by means of, for example, physically mixing them. 
Mazda Motor Corporation
B B B F B F F B B F F B F
B01J B01J B01J F01N B01D F01N F01N B01J B01D F01N F01N B01J F01N
inventional inventional additional inventional inventional additional inventional additional additional additional inventional inventional inventional
Toshitsugu Naoko Akihide Hiroshi
Ueoka Sakatani Takami Yamada