IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0393494
(2009-02-26)
|
등록번호 |
US8034737
(2011-09-27)
|
우선권정보 |
JP-2008-008-052272(2008-03-03) |
발명자
/ 주소 |
- Watanabe, Hirokazu
- Yanagita, Motoo
- Miyaki, Kenichi
|
출원인 / 주소 |
|
대리인 / 주소 |
Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
|
인용정보 |
피인용 횟수 :
3 인용 특허 :
8 |
초록
▼
A catalyst for producing acrylonitrile capable of maintaining a high yield of acrylonitrile for a long time is provided. The catalyst has a composition represented by MoaBibFecWdRbeAfBgChDiOj(SiO2)k, wherein A is Ni, Mg, Ca, Sr, Ba, Mn, Co, Cu, Zn, Cd or mixture thereof; B is Al, Cr, Ga, Y, In, La,
A catalyst for producing acrylonitrile capable of maintaining a high yield of acrylonitrile for a long time is provided. The catalyst has a composition represented by MoaBibFecWdRbeAfBgChDiOj(SiO2)k, wherein A is Ni, Mg, Ca, Sr, Ba, Mn, Co, Cu, Zn, Cd or mixture thereof; B is Al, Cr, Ga, Y, In, La, Ce, Pr, Nd, Sm or mixture thereof; C is Ti, Zr, V, Nb, Ta, Ge, Sn, Pb, Sb, P, B, Te or mixture thereof; D is Ru, Rh, Pd, Re, Os, Ir, Pt, Ag or mixture thereof; SiO2 is silica, when a is 10, b is 0.1 to 1.5, c is 0.5 to 3.0, d is 0.01 to 2.0, e is 0.02 to 1.0, f is 2.0 to 9.0, g is 0 to 5, h is 0 to 3, i is 0 to 2, k is 10 to 200; and j is the atomic ratio of oxygen determined by the valence of other elements (excluding silicon); and (a×2+d×2)/(b×3+c×3+e×1+f×2+g×3) is 0.90 to 1.00.
대표청구항
▼
What is claimed is: 1. A catalyst for having a composition represented by formula (1):MoaBibFecWdRbeAfBgChDiOj(SiO2)k (1)whereinA is at least one element selected from the group consisting of nickel, magnesium, calcium, strontium, barium, manganese, cobalt, copper, zinc, and cadmium;B is at least o
What is claimed is: 1. A catalyst for having a composition represented by formula (1):MoaBibFecWdRbeAfBgChDiOj(SiO2)k (1)whereinA is at least one element selected from the group consisting of nickel, magnesium, calcium, strontium, barium, manganese, cobalt, copper, zinc, and cadmium;B is at least one element selected from the group consisting of aluminum, chromium, gallium, yttrium, indium, lanthanum, cerium, praseodymium, neodymium, and samarium;C is at least one element selected from the group consisting of titanium, zirconium, vanadium, niobium, tantalum, germanium, tin, lead, antimony, phosphorous, boron, and tellurium;D is at least one element selected from the group consisting of ruthenium, rhodium, palladium, rhenium, osmium, iridium, platinum, and silver;SiO2 is silica;a, b, c, d, e, f, g, h, i, j and k are atomic ratios of each element, or silicon in the case of silica, wherein, when a=10, b is 0.1 to 1.5, c is 0.5 to 3.0, d is 0.01 to 2.0, e is 0.02 to 1.0, f is 2.0 to 9.0, g is 0 to 5, h is 0 to 3, i is 0 to 2, and k is 10 to 200, and j is the atomic ratio of oxygen required to satisfy the valence of each of the elements, excluding silicon; and(a×2+d×2)/(b×3+c×3+e×1+f×2+g×3) is 0.90 to 1.00.
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