Catalyst preparation method
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 29, 2018
Issued Date -
N/A
app pub date -
Sep 29, 2016
filing date -
May 1, 2009
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method for preparing a catalyst comprising (i) preparing a calcined shaped calcium aluminate catalyst support, (ii) treating the calcined shaped calcium aluminate support with water, and then drying the support, (iii) impregnating the dried support with a solution containing one or more metal compounds and drying the impregnated support, (iv) calcining the dried impregnated support, to form metal oxide on the surface of the support and (v) optionally repeating steps (ii), (iii) and (iv) on the metal oxide coated support. The method provides an eggshell catalyst in which the metal oxide is concentrated in an outer layer on the support.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2016 Application Filing Year
- C01B Class
- 1845 Applications Filed
- 1265 Patents Issued To-Date
- 68.57 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 2 Citation Count
- C01B Class
- 31.00 % this patent is cited more than
- 7 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Nov 29, 2025 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Nov 29, 2029 |
