Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Metal – metal oxide or metal hydroxide
Reexamination Certificate
2006-07-11
2006-07-11
Bos, Steven (Department: 1754)
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Metal, metal oxide or metal hydroxide
C502S211000, C502S213000, C502S314000, C502S315000, C502S323000
Reexamination Certificate
active
07074740
ABSTRACT:
An improved catalyst for hydrodesulfurization of heavy feedstocks is disclosed. The catalyst is adopted for on-stream catalyst replacement in upflow processing units. It is characterized by a smaller peak pore diameter than general purpose hydrotreating catalysts.
REFERENCES:
patent: 3867282 (1975-02-01), Fischer et al.
patent: 4008149 (1977-02-01), Itoh et al.
patent: 4081408 (1978-03-01), Fischer et al.
patent: 4306964 (1981-12-01), Angevine
patent: 4394303 (1983-07-01), Gibson
patent: 4399026 (1983-08-01), Shiroto et al.
patent: 4435278 (1984-03-01), Chen
patent: 4456701 (1984-06-01), Chen
patent: 4489173 (1984-12-01), Gibson
patent: 4525472 (1985-06-01), Morales et al.
patent: 4600503 (1986-07-01), Angevine et al.
patent: 4743572 (1988-05-01), Angevine et al.
patent: 4834869 (1989-05-01), Angevine et al.
patent: 4981832 (1991-01-01), Tawara et al.
patent: 5076908 (1991-12-01), Stangeland et al.
patent: 5187133 (1993-02-01), Yoshinari et al.
patent: 5472928 (1995-12-01), Scheuerman et al.
patent: 5492617 (1996-02-01), Trimble et al.
patent: 5498327 (1996-03-01), Stangeland et al.
patent: 5527512 (1996-06-01), Bachtel et al.
patent: 5589057 (1996-12-01), Trimble et al.
patent: 5599440 (1997-02-01), Stangeland et al.
patent: 5603904 (1997-02-01), Bachtel et al.
patent: 5648051 (1997-07-01), Trimble et al.
patent: 5660715 (1997-08-01), Trimble et al.
patent: 5885534 (1999-03-01), Reynolds et al.
patent: 5916529 (1999-06-01), Scheuerman
patent: 6031146 (2000-02-01), Bachtel
patent: 6086749 (2000-07-01), Kramer et al.
Gibson Kirk R.
Leung Pak C.
Threlkel Richard
Bos Steven
Chevron U.S.A. Inc.
Roth Steven H.
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