Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
179 words
A nonacidic catalytic composite comprising a porous carrier material containing, on an elemental basis, about 0.01 to about 2 wt. % platinum group metal, about 0.05 to about 5 wt. % cobalt, about 0.1 to about 5 wt. % alkali metal or alkaline earth metal, and about 0.01 to about 5 wt. % lantanide series metal; wherein the platinum group metal, catalytically available cobalt, lanthanide series metal and alkali metal or alkaline earth metal are uniformly dispersed throughout the porous carrier material; wherein substantially all of the platinum group metal is present in the elemental metallic state; wherein substantially all of the lanthanide series metal is present in an oxidation state above that of the elemental metal; wherein substantially all of the catalytically available cobalt is present in the elemental metallic state or in a state which is reducible to the elemental metallic state under hydrocarbon dehydrogenation conditions or in a mixture of these states; and wherein substantially all of the alkali metal or alkaline earth metal is present in an oxidation state above that of the elemental metal.
Claim 2
Dependent Claim
179 words
A nonacidic catalytic composite comprising a porous carrier material containing, on an elemental basis, about 0.01 to about 2 wt. % platinum group metal, about 0.05 to about 5 wt. % cobalt, about 0.1 to about 5 wt. % alkali metal or alkaline earth metal, and about 0.01 to about 5 wt. % lantanide series metal; wherein the platinum group metal, catalytically available cobalt, lanthanide series metal and alkali metal or alkaline earth metal are uniformly dispersed throughout the porous carrier material; wherein substantially all of the platinum group metal is present in the elemental metallic state; wherein substantially all of the lanthanide series metal is present in an oxidation state above that of the elemental metal; wherein substantially all of the catalytically available cobalt is present in the elemental metallic state or in a state which is reducible to the elemental metallic state under hydrocarbon dehydrogenation conditions or in a mixture of these states; and wherein substantially all of the alkali metal or alkaline earth metal is present in an oxidation state above that of the elemental metal.
Claim 3
Dependent Claim
19 words
A nonacidic catalytic composite as defined in claim 1 wherein the porous carrier material is a refractory inorganic oxide.
Claim 4
Dependent Claim
16 words
A nonacidic catalytic composite as defined in claim 2 wherein the refractory inorganic oxide is alumina.
Claim 5
Dependent Claim
16 words
A nonacidic catalytic composite as defined in claim 1 wherein the lanthanide series metal is neodymium.
Claim 6
Dependent Claim
16 words
A nonacidic catalytic composite as defined in claim 1 wherein the lanthanide series metal is cerium.
Claim 7
Dependent Claim
16 words
A nonacidic catalytic composite as defined in claim 1 wherein the lanthanide series metal is lanthanum.
Claim 8
Dependent Claim
19 words
A nonacidic catalytic composite as defined in claim 1 wherein the alkali metal or alkaline earth metal is potassium.
Claim 9
Dependent Claim
19 words
A nonacidic catalytic composite as defined in claim 1 wherein the alkali metal or alkaline earth metal is lithium.
Claim 10
Dependent Claim
16 words
A nonacidic catalytic composite as defined in claim 1 wherein the platinum group metal is platinum.
Claim 11
Dependent Claim
18 words
A nonacidic catalytic composite as defined in claim 1 wherein the catalytic composite is in a sulfur-free state.
Claim 12
Dependent Claim
59 words
A nonacidic catalytic composite as defined in claim 1 wherein the composite contains, on an elemental basis, about 0.05 to about 1 wt. % platinum group metal, about 0.1 to about 2.5 wt. % cobalt, about 0.05 to about 2 wt. % lanthanide series metal and about 0.25 to about 3.5 wt. % alkali metal or alkaline earth metal.
Claim 13
Dependent Claim
70 words
A nonacidic catalytic composite as defined in claim 1 wherein the metals contents thereof is adjusted so that the atomic ratio of lanthanide series metal to platinum group metal is about 0.1:1 to about 20:1, the atomic ratio of alkali metal or alkaline earth metal to platinum group metal is about 5:1 to about 100:1 and the atomic ratio of cobalt to platinum group metal is about 0.1:1 to 66:1.
Claim 14
Dependent Claim
24 words
A nonacidic catalytic composite as defined in claim 1 wherein substantially all of the lanthanide series metal is present therein as the corresponding oxide.
Claim 15
Dependent Claim
26 words
A nonacidic catalytic composite as defined in claim 1 wherein substantially all of the catalytically available cobalt contained therein is present in the elemental metallic state.