Selective hydrogenation of acetylenes

Chemistry of hydrocarbon compounds – Adding hydrogen to unsaturated bond of hydrocarbon – i.e.,... – Plural hydrogenation stages

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C585S258000, C585S261000, C585S260000

Reexamination Certificate

active

11010907

ABSTRACT:
A process for removing acetylenic compounds using unsulfided metallic nickel or unsulfided metallic nickel modified with metallic Mo, Re, Bi or mixtures in which the catalyst is used alone or is used in combination with other acetylenic selective catalysts. The unsulfided metallic nickel catalyst or modified catalyst must be the first catalyst to contact the hydrocarbon stream.

REFERENCES:
patent: 3205281 (1965-09-01), Fleming et al.
patent: 3691248 (1972-09-01), Ffrench
patent: 3793388 (1974-02-01), Pitzer et al.
patent: 3897511 (1975-07-01), Frevel et al.
patent: 4440956 (1984-04-01), Couvillion
patent: 4469907 (1984-09-01), Araki et al.
patent: 4493906 (1985-01-01), Couvillion
patent: 4504593 (1985-03-01), Trinh Dinh et al.
patent: 4831200 (1989-05-01), Debras et al.
patent: 5595634 (1997-01-01), Hearn et al.
patent: 5866734 (1999-02-01), Flick et al.
patent: 5877363 (1999-03-01), Gildert et al.
patent: 6169218 (2001-01-01), Hearn et al.
patent: 6413413 (2002-07-01), Smith, Jr.
patent: 6414205 (2002-07-01), Stanley et al.
patent: 6576588 (2003-06-01), Ryu et al.
patent: 6717022 (2004-04-01), Ryu et al.
patent: 6734328 (2004-05-01), Ryu
patent: 6867338 (2005-03-01), Gelbein et al.
patent: 7022645 (2006-04-01), Ryu et al.
patent: 7041860 (2006-05-01), Ryu
patent: 7045669 (2006-05-01), Sumner et al.
patent: 7196035 (2007-03-01), Ryu et al.
patent: 7208646 (2007-04-01), Boyer
patent: 1182929 (1970-04-01), None
Non Final Office Action issued in U.S. Appl. No. 10/828,823, filed May 16, 2007.
Final Office Action issued in U.S. Appl. No. 10/912,252, filed Jul. 7, 2005.
Non Final Office Action issued in U.S. Appl. No. 11/171,797, filed Aug. 4, 2006.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Selective hydrogenation of acetylenes does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Selective hydrogenation of acetylenes, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Selective hydrogenation of acetylenes will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3952526

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.