Catalytic titanium dioxide mixtures, catalysts and catalyst...

Details Catalytic titanium dioxide mixtures, catalysts and catalyst... Catalytic titanium dioxide mixtures, catalysts and catalyst...

2005-11-16

2010-12-14

Mayes, Melvin C (Department: 1793)

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Phosphorus or compound containing same

C502S350000, C502S353000

Reexamination Certificate

active

07851398

ABSTRACT:
Catalytic titanium dioxide mixtures comprising: a first anatase titanium dioxide having a BET surface area greater than 15 m2/g and a hydrogen uptake for the reduction of Ti4+to Ti3+of from 5 to 20 μmol/m2; and a second anatase titanium dioxide having a BET surface area less than or equal to 15 m2/g and a hydrogen uptake for the reduction of Ti4+to Ti3+of from 0.6 to 7 μmol/m2, processes for preparing catalysts containing the same, catalysts containing active compositions including such titanium dioxide mixtures on support materials, and catalyst systems using the same.

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