Claims
- 1. A modified mordenite zeolite catalyst comprising a mordenite zeolite catalyst having a Si:Al ratio of about between 5:1 to 10:1, Pt in an amount of about between 0.1 to 1.5% by weight wherein the Pt is present in metallic form and a promoter in an amount of about 0.1 to 1.5% by weight wherein the promoter is selected from the group consisting of Zn, Sn, Cr and mixtures thereof.
- 2. A catalyst according to claim 1 wherein the mordenite zeolite catalyst is a mordenite H zeolite catalyst.
CROSS-REFERENCE TO RELATED APPLICATIONS
This application is a continuation of U.S. patent application Ser. No. 08/554,606, filed Nov. 6, 1995, now U.S. Pat. No. 5,658,839, which in turn is a divisional of U.S. patent application Ser. No. 08/353,812, filed Dec. 12, 1994, now abandoned, which in turn is a divisional of U.S. patent application Ser. No. 08/181,770, filed Jan. 21, 1994, now U.S. Pat. No. 5,416,052.
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5242576 |
Schmidt et al. |
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Divisions (2)
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Number |
Date |
Country |
Parent |
353812 |
Dec 1994 |
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Parent |
181770 |
Jan 1994 |
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Continuations (1)
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Number |
Date |
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Parent |
554606 |
Nov 1995 |
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