10 item(s) found.
US2007105964 (A1), filed
Jun 28, 2006
, published
May 10, 2007
- CARRASQUEL ANGEL R
A method is provided for making a catalyst support, and includes the steps of providing an aqueous suspension of refractory inorganic oxide and refractory inorganic carbide; forming the suspension into droplets; exposing the droplets to a gelling agent whereby...
US4525472 (A), filed
Feb 23, 1983
, published
Jun 25, 1985
- INTEVEP SA
A catalyst for the hydrotreatment of heavy crudes and residues and a method for the preparation thereof are claimed, specifying an amount of Group VIb metallic hydrogenation compound irreversibly absorbed by the silica or alumina extruded support structure...
US4588709 (A), filed
Apr 19, 1985
, published
May 13, 1986
- INTEVEP SA
A catalyst for the hydrotreatment of heavy crudes and their residues, and a method of preparing same, is disclosed, which has significant simultaneous hydrodemetallizing and hydrodesulfurizing activity. The catalyst is prepared by successively impregnating an...
US4592827 (A), filed
Jun 25, 1985
, published
Jun 03, 1986
- INTEVEP SA
Heavy crudes or vacuum residues are treated in a thermal hydroconversion process in the presence of a metal catalyst from Groups IVb, Vb, VIb, VIIb and VIII of the Periodic Table of Elements and water. Fresh catalyst is introduced into the process as a...
US4642179 (A), filed
Feb 28, 1986
, published
Feb 10, 1987
- INTEVEP SA
A catalyst for the hydrotreatment of heavy crudes and their residues, and a method of preparing same, is disclosed, which has significant simultaneous hydrodemetallizing and hydrodesulfurizing activity. The catalyst is prepared by successively impregnating an...
US4520128 (A), filed
Dec 19, 1983
, published
May 28, 1985
- INTEVEP SA
A new active stable catalyst for use in the removal of sulphur, nitrogen, contaminating metals, asphaltenes and Conradson carbon from heavy crudes and residues and, in particular, a method for the preparation of the catalyst and a process for the treatment of...
US4600703 (A), filed
Jul 08, 1985
, published
Jul 15, 1986
- INTEVEP SA
A catalyst for use in the mild hydrocracking (MHC) of heavy vacuum gas oils to produce middle distillates and a method for the preparation of the catalyst and a process for treating the heavy vacuum gas oils with the catalyst. The catalyst comprises molybdenum...
US7256220 (B2), filed
Jun 28, 2006
, published
Aug 14, 2007
- INTEVEP SA
A method is provided for making a catalyst support, and includes the steps of providing an aqueous suspension of refractory inorganic oxide and refractory inorganic carbide; forming the suspension into droplets; exposing the droplets to a gelling agent whereby...
US4579649 (A), filed
Apr 01, 1985
, published
Apr 01, 1986
- INTEVEP SA
A new active stable catalyst for use in the removal of sulphur, nitrogen, contaminating metals, asphaltenes and Conradson carbon from heavy crudes and residues and, in particular, a method for the preparation of the catalyst and a process for the treatment of...
US2007105713 (A1), filed
Nov 10, 2005
, published
May 10, 2007
- INTEVEP SA
A method is provided for making a catalyst support, and includes the steps of providing an aqueous suspension of refractory inorganic oxide and refractory inorganic carbide; forming the suspension into droplets; exposing the droplets to a gelling agent whereby...