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특허 상세정보

Supported noble metal nanometer catalyst particles containing controlled (111) crystal face exposure

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) C01G-035/06    C07C-004/12    B01J-021/16    B01J-023/02    B01J-023/40   
미국특허분류(USC) 208/138; 585/483; 585/485; 585/489; 502/074; 502/084; 502/183; 502/184; 502/185; 502/326; 502/327; 502/328; 502/330; 502/331; 502/332; 502/333; 502/334; 502/335; 502/336; 502/337; 502/338; 502/339
출원번호 US-0066289 (2002-01-31)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Workman Nydegger
인용정보 피인용 횟수 : 56  인용 특허 : 20
초록

A noble metal nanometer-sized catalyst composition is described along with the method for preparation of the composition. The crystal face of the catalyst contains a preponderance of (111) type crystal phase exposure. The crystal phase exposure is controlled by sequestering the noble metal cation before deposition on a catalyst support. Controlled catalyst face exposition combined with the nanometer scale of the catalyst increases the catalyst selectivity and activity, particularly for hydrogenation and dehydrogenation reactions.

대표
청구항

1. A supported noble metal catalyst wherein the noble metal comprises nanometer-sized crystal particles contained on a support material within a matrix comprising a particle-to-support control and binding agent, said particles having a preponderance of ( 111) type of crystal phase on the face of the noble metal particles.2. The catalyst of claim 1 wherein the support material includes a porous support material.3. The catalyst of claim 1 wherein the support material is selected from the group consisting of activated carbon, carbon black, fluoridated carbo...

이 특허에 인용된 특허 (20)

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