US4009124A
Expired / Lapsed
US
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Basic mixed carbonate of copper and aluminum and process for manufacturing a copper-containing catalyst
Assignee: BASF SE
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Filing: 1975-09-15
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Granted: 1977-02-22
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Expires: 1995-09-15
Abstract
Abstract Basic carbonate which contains copper and aluminum and is suitable for the manufacture of copper-containing catalysts and which has the general formula Cu m Al 6 (CO 3 ) 0 .5m O 3 (OH) m +12 , where m may be an integer or non-integer between 2 and 6.
Inventors
- 👤 Peter Rudolf Laurer
- 👤 Wolfgang Schroeder
- 👤 Herwig Hoffmann
- 👤 Heinz Lingk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:59
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/70; B01J23/72; B01J23/007; C; C07; C07C; C07C33/00; C07C33/04; C07C33/042; C07C33/044; C07C33/046
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
24 words
Basic mixed carbonate of copper and aluminum of the formula Cu.sub.m Al.sub.6 (CO.sub.3).sub.0.5m O.sub.3 (OH).sub.m.sub.+12 where m is a number between 2 and 6.
Claim 2
Dependent Claim
24 words
Basic mixed carbonate of copper and aluminum of the formula Cu.sub.m Al.sub.6 (CO.sub.3).sub.0.5m O.sub.3 (OH).sub.m.sub.+12 where m is a number between 2 and 6.
Claim 3
Dependent Claim
132 words
A catalyst for the manufacture of butynediol, said catalyst being formed by precipitating, at pH 8 to 9.5 and a temperature of from 60° to 90° C, a. an aqueous dilute solution of copper and aluminum salts capable of being precipitated by carbonate, the copper and aluminum being present in said solution in an atomic ratio of m:6, m being a number between 2 and 6, with b. an aqueous alkali metal carbonate or bicarbonate solution, the atomic concentration of alkali being about twice the concentration of copper and aluminum in said solution, whereby a composition is obtained of the formula Cu m Al 6 (CO 3 ) 0 .5m O 3 --(OH) m +12 , having the above definition, and thereafter drying and annealing the precipitate at 350° to 600° C.
Claim 4
Dependent Claim
132 words
A catalyst for the manufacture of butynediol, said catalyst being formed by precipitating, at pH 8 to 9.5 and a temperature of from 60° to 90° C, a. an aqueous dilute solution of copper and aluminum salts capable of being precipitated by carbonate, the copper and aluminum being present in said solution in an atomic ratio of m:6, m being a number between 2 and 6, with b. an aqueous alkali metal carbonate or bicarbonate solution, the atomic concentration of alkali being about twice the concentration of copper and aluminum in said solution, whereby a composition is obtained of the formula Cu m Al 6 (CO 3 ) 0 .5m O 3 --(OH) m +12 , having the above definition, and thereafter drying and annealing the precipitate at 350° to 600° C.
Claim 5
Dependent Claim
19 words
A catalyst as set forth in claim 2 wherein said precipitate is annealed for from 1 to 8 hours.
Claim 6
Dependent Claim
57 words
A catalyst as set forth in claim 2, as obtained by annealing a composition having an X-ray diagram defined by d-values of Guinier photographs (CuK.sup.ω), said d-values being substantially as follows: 7.65/100; 3.80/90; 2.72/50; 2.52/70; 2.41/40; 2.39/10; 2.24/50; 2.03/20; 1.89/50; 1.72/30; 1.59/10; 1.56/30; 1.54/10; 1.52/30; 1.47/30; 1.44/30; the figures representing the d-value and its relative intensity respectively.
References Cited (Backward Citations)
US3896053A
Cited
US3941721A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-02-22 | 1980-08-23 | 1981-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-02-22 | 1984-08-23 | 1985-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-02-22 | 1988-08-23 | 1989-02-22 | $7700.00 | Window Closed / Lapsed |