Claims
- 1. A catalyst composition suitable for para-selective conversion of substituted aromatic compounds, said composition comprising:
- a crystalline zeolite material characterized by a constraint index of within the approximate range of 1 to 12 and a silica to alumina mole ratio of at least 12;
- said zeolite further comprising at least 0.25 weight percent of one or more Group IB metals incorporated into said zeolite in the form of a Group IB metal oxide and at least 0.25 weight percent of phosphorus incorporated into said zeolite in the form of an oxide of phosphorus.
- 2. The composition of claim 1 wherein said Group IB metal is copper.
- 3. The composition of claim 2 wherein said copper comprises between 1 and 30 weight percent of said composition.
- 4. The composition of claim 1 wherein said Group IB metal is silver.
- 5. The composition of claim 4 wherein said silver comprises between 1 and 35 weight percent of said composition.
- 6. The composition of claim 1 wherein said Group IB metal is gold.
- 7. The composition of claim 6 wherein said gold comprises between 2 and 40 weight percent of said zeolite.
- 8. The composition of claim 1 wherein said zeolite is admixed with a binder therefor.
- 9. The composition of claim 1, 3, 5, 7 or 8 wherein said zeolite is chosen from the group consisting of ZSM-5, ZSM-11, ZSM-12, ZSM-23, ZSM-35, ZSM-38 and ZSM-48.
- 10. The composition of claim 9 wherein said zeolite is ZSM-5.
- 11. The composition of claim 9 wherein said zeolite is ZSM-11.
CROSS-REFERENCE TO RELATED APPLICATION
This application is a continuation-in-part of my application having Ser. No. 153,364, filed May 27, 1980, now U.S. Pat. No. 4,276,438.
US Referenced Citations (8)
Foreign Referenced Citations (2)
Number |
Date |
Country |
2018232 |
Oct 1979 |
GBX |
2033358 |
May 1980 |
GBX |
Non-Patent Literature Citations (1)
Entry |
Patent Abstracts of Japan, vol. 3, No. 128 (C-62) Oct. 24, 1979, (Abstract of Japanese Application No. 53-13644). |
Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
153364 |
May 1980 |
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