U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Iron-antimony-molybdenum-containing oxide catalyst composition and process for preparing the same

Patent 5132269 Issued on July 21, 1992. Estimated Expiration Date: Icon_subject September 9, 2011. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

Catalyst for use in and process for preparing acrylonitrile
Patent #: 3988359
Issued on: 10/26/1976
Inventor: Saito ,   et al.

Oxidation/ammoxidation catalyst
Patent #: 4018712
Issued on: 04/19/1977
Inventor: Li

Process for producing unsaturated aldehydes, and unsaturated fatty acids
Patent #: 4111984
Issued on: 09/05/1978
Inventor: Ishii ,   et al.

Sb-containing catalysts by Sb-oxide impregnation
Patent #: 4290920
Issued on: 09/22/1981
Inventor: Suresh ,   et al.

Catalyst compositions and their use for the preparation of methacrolein
Patent #: 4306090
Issued on: 12/15/1981
Inventor: Kirch ,   et al.

Process for preparing iron-antimony-phosphorus-containing catalyst for fluidized bed process Patent #: 4981830
Issued on: 01/01/1991
Inventor: Sasaki, et al.

Inventors

Assignee

Application

No. 756708 filed on 09/09/1991

US Classes:

502/205, And bismuth containing502/212, And bismuth containing502/215, Selenium or tellurium or compound containing same502/302, Of lanthanide series (i.e., atomic number 57 to 71 inclusive)502/303, Lanthanum502/304, Cerium502/306, And Group II metal containing (i.e., alkaline earth, Be, Mg, Zn, Cd or Hg)502/307, Zinc502/308, And Group IV metal containing (i.e., Ti, Zr, Hf, Ge, Sn or Pb)502/309, Titanium containing502/310, Tin containing502/311, And Group V metal containing (i.e., V, Nb, Ta, As, Sb or Bi)558/322, Tellurium containing material utilized558/323, Molybdenum containing material utilized558/324Bismuth containing material utilized

Examiners

Primary: Shine, W. J.

Attorney, Agent or Firm

Foreign Patent References

  • 0267556 EP. 05/23/1988
  • 0340909 EP. 11/23/1989
  • 0383598 EP. 08/23/1990

International Classes

B01J 023/78
B01J 023/84
B01J 023/88
B01J 027/057

Foreign Application Priority Data

1990-09-10 JP

Abstract

An iron-antimony-molybdenum-containing oxide catalyst composition for oxidation reactions, comprising a crystalline iron antimonate having a crystallite size of 100 Å or more, said catalyst being represented by the following empirical formula:Fea Sbb Moc Ld Ke Mm Nn Qq Rr Tt Oxwherein L represents at least one element selected from the group consisting of Bi and Te; M represents at least one element selected from the group consisting of Cu, Mg, Zn, La, Ce, Al, Cr, Mn, Co, Ni and Sn; N represents at least one element selected from the group consisting of Be, Ca, Sr, Ba, Y, Pr, Nd, Th, U, Ti, Zr, Hf, Nb, Ta, Re, Ru, Os, Rh, Ir, Pd, Pt, Ag, Au, Cd, Al, Ga, In, Ge and Pb; Q represents at least one element selected from the group consisting of V and W; R represents at least one element selected from the group consisting of Li, Na, Rb, Cs, and Tl; T represents at least one element selected from the group consisting of B, P, As and Se; a, b, c, d, e, m, n, q, r, t and x each is an atomic ratio, wherein when a is 10, b is 5 to 60, c is 5 to 30, d is 0.01 to 10, e is 0.01 to 5, m is 0 to 30, n is 0 to 10, q is 0 to 5, r is 0 to 3, t is 0 to 5, and x is a number of oxygen atoms as determined corresponding to the oxides formed by combining the above mentioned components.

PatentsPlus Images
Enhanced PDF formats
loading...
PatentsPlus: add to cart
PatentsPlus: add to cartSearch-enhanced full patent PDF image
$9.95more info
 
Sign InRegister
Username  
Password   
forgot password?