US3956181A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxidation catalyst
Assignee: Standard Oil Co
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Filing: 1973-09-04
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Granted: 1976-05-11
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Expires: 1993-09-04
Abstract
Abstract Catalysts containing at least nickel or cobalt, chromium, bismuth and molybdenum have been found to be especially useful for the ammoxidation of olefins, the oxidation of olefins and the oxidative dehydrogenation of olefins.
Inventors
- 👤 Robert K. Grasselli
- 👤 Arthur F. Miller
- 👤 Wilfrid G. Shaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:48
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/70; B01J23/76; B01J23/84; B01J23/85; B01J23/88; B01J23/887; B01J23/8878; B01J23/888; B01J23/8885; B01J27/00; B01J27/14; B01J27/186; B01J27/188; B01J27/19; B01J27/192; C; C07; C07C; C07C253/00; C07C253/24; C07C253/26; C07C45/00; C07C45/27; C07C45/32; C07C45/33; C07C45/34; C07C45/35; C07C5/00; C07C5/42; C07C5/48; C07C51/00; C07C51/16; C07C51/21; C07C51/25; C07C51/252; B01J2523/00; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/52; Y10; Y10S; Y10S585/00; Y10S585/8995; Y10S585/906
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
102 words
A catalyst composition having the empirical formula A.sub.a D.sub.b Ni.sub.c Co.sub.d Cr.sub.e Bi.sub.f Mo.sub.12 O.sub.x wherein A is an alkali metal, Tl, In, Ag, Cu, rare earth metal or mixture thereof; and D is P, As, Sb, Sn, Ge, B, W, Th, V, Ti, Si or mixture thereof; and wherein a and b are 0-4; c and d are 0 to 20 with c + d greater than or equal to 0.1; e i 0.1 to about 10; f is about 0.01 to 6; and x is the number of oxygens required to satisfy the valence requirements of the other elements present.
Claim 2
Dependent Claim
102 words
A catalyst composition having the empirical formula A.sub.a D.sub.b Ni.sub.c Co.sub.d Cr.sub.e Bi.sub.f Mo.sub.12 O.sub.x wherein A is an alkali metal, Tl, In, Ag, Cu, rare earth metal or mixture thereof; and D is P, As, Sb, Sn, Ge, B, W, Th, V, Ti, Si or mixture thereof; and wherein a and b are 0-4; c and d are 0 to 20 with c + d greater than or equal to 0.1; e i 0.1 to about 10; f is about 0.01 to 6; and x is the number of oxygens required to satisfy the valence requirements of the other elements present.
Claim 3
Dependent Claim
10 words
The catalyst of claim 1 which contains an alkali metal.
Claim 4
Dependent Claim
8 words
The catalyst of claim 1 which contains potassium.
Claim 5
Dependent Claim
10 words
The catalyst of claim 1 which contains nickel and cobalt.
Claim 6
Dependent Claim
28 words
The catalyst of claim 1 wherein the catalyst is K 0 .1 Ni 2 .5 Co 4 .5 Cr 3 BiP 0 .5 Mo 12 O x .
Claim 7
Dependent Claim
7 words
The catalyst of claim 4 contains copper.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-05-11 | 1979-11-10 | 1980-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-05-11 | 1983-11-10 | 1984-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-05-11 | 1987-11-10 | 1988-05-11 | $7700.00 | Window Closed / Lapsed |