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특허 상세정보

Lanthanum containing catalyst for treating automotive exhaust

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B01J-023/10   
미국특허분류(USC) 502/261 ; 502/303
출원번호 US-0255245 (1988-10-11)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 48  인용 특허 : 9
초록

This invention relates to an improved catalytic composite for treating an exhaust gas comprising a first support which is a refractory inorganic oxide, having dispersed thereon at least one oxygen storage component and at least one noble metal component and having dispersed immediately thereon an overlayer comprising lanthanum oxide and optionally a second support which is a refractory inorganic oxide. The first and second support may be selected from the group consisting of alumina, silica, titania, zirconia and aluminosilicates with alumina being prefe...

대표
청구항

A catalytic composite for treating an exhaust gas, said catalytic composite a first support having dispersed thereon an oxygen storage component and at least one noble metal component selected from the group consisting of platinum, palladium, rhodium, ruthenium and iridium and having dispersed immediately thereon an overlayer comprising lanthanum oxide and optionally a second support, said first and second support both being a refractory inorganic oxide selected from the group consisting of alumina, silica, titania, zirconia, aluminosilicates and mixture...

이 특허에 인용된 특허 (9)

  1. Ohara Takashi (Nishinomiya JPX) Ono Tetsuji (Amagasaki JPX) Yonehara Kiyoshi (Takatsuki JPX) Yamauchi Shin (Ikeda JPX). Auto exhaust gas catalyst, and process for production thereof. USP1981084283308.
  2. Joy ; III George C. (Arlington Heights IL) Lester George R. (Park Ridge IL) Marinangeli Richard E. (Arlington Heights IL). Catalyst for minimizing the H2S emissions from automotive exhaust and method of its manufacture. USP1988074760044.
  3. Matsumoto Shinichi (Aichi JPX) Miyoshi Naoto (Nagoya JPX) Sato Masayasu (Osaka JPX). Catalyst for the purification of exhaust gases. USP1989024808564.
  4. Bricker Maureen L. (Buffalo Grove IL) Lawson R. Joe (Palatine IL). Catalyst for treatment of exhaust gases from internal combustion engines and method of manufacturing the catalyst. USP1988124791091.
  5. Onal Isik (Arlington Heights IL). Lead-tolerant catalyst for treating exhaust gas in the presence of SO2. USP1987034650782.
  6. Onal Isik (Arlington Heights IL). Lead-tolerant catalyst system and method for treating exhaust gas containing lead compounds. USP1987104702897.
  7. Suzuki Yoshihiro (Toyota JPX) Kinoshita Hiroo (Toyota JPX) Sato Masayasu (Shizuoka JPX) Ohara Masanori (Shizuoka JPX). Monolithic catalyst for exhaust gas purification. USP1985074528279.
  8. Blanchard Gilbert (Le Plessis Belleville FRX) Brunelle Jean-Pierre (Saint-Brice Sous Foret FRX) Prigent Michel (Rueil Malmaison FRX). Pollution control catalyst for internal combustion engine exhaust system/catalytic converter and process for its prepara. USP1985014492769.
  9. Kim Gwan (Olney MD) Ernest Michael V. (Catonsville MD). Stabilized and doubly promoted platinum group metal catalysts for emission control and method of making same. USP1986054591580.

이 특허를 인용한 특허 피인용횟수: 48

  1. Hatfield, Randal L.; Golden, Stephen J.; Ngo, Johnny T.. Base metal activated rhodium coatings for catalysts in three-way catalyst (TWC) applications. USP2017029579604.
  2. Headdock, Gareth; Griffin, Kenneth George; Johnston, Peter; Hayes, Martin John. Catalyst and process. USP2015028945497.
  3. Laar, Frederik Van; Becker, Michael; Schwab, Ekkehard; Henkelmann, Jochem; Polanek, Peter. Catalyst and process for hydrogenating organic compounds comprising hydrogenatable groups. USP2012068207327.
  4. Tanabe, Toshitaka; Morikawa, Akira; Takahashi, Naoki; Suzuki, Hiromasa; Sato, Akemi; Ishikiriyama, Mamoru; Kanazawa, Takaaki; Kuno, Oji. Catalyst carrier and catalyst using the same. USP2010117842642.
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  9. Wu Joseph H. Z. ; Sung Shiang ; Hu Zhicheng ; Steger John J.. Catalyst composition containing oxygen storage components. USP1999045898014.
  10. Wu Joseph H. Z. ; Syed Mukaram K.. Catalyst composition containing oxygen storage components. USP2001066248688.
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  12. Kurokawa Takahiro,JPX ; Takami Akihide,JPX ; Iwakuni Hideharu,JPX ; Kyogoku Makoto,JPX ; Okamoto Kenji,JPX ; Yamada Hiroshi,JPX. Catalyst for purifying exhaust gas. USP2000056066587.
  13. Murakami Hiroshi (Hiroshima JPX) Koishi Masayuki (Kure JPX) Yatagai Shoko (Hiroshima JPX) Yamagata Kazuko (Kure JPX). Catalyst for purifying exhaust gas and method of manufacturing the same. USP1991055019546.
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