Bis-imine titanium complex having general formula (I): wherein: R.sub.1 and R.sub.2, mutually identical or different, represent a hydrogen atom; or are selected from linear or branched, optionally halogenated, C.sub.1-C.sub.20 alkyl groups, preferably C.sub.1-C.sub.15, optionally substituted cycloalkyl groups; R.sub.3 and R.sub.4, mutually identical or different, represent a hydrogen atom; or are selected from linear or branched, optionally halogenated, C.sub.1-C.sub.20 alkyl groups, preferably C.sub.1-C.sub.15, optionally substituted cycloalkyl groups, optionally substituted aryl groups; X.sub.1, X.sub.2, X.sub.3 and X.sub.4, mutually identical or different, represent a halogen atom such as chlorine, bromine, iodine; or are selected from linear or branched C.sub.1-C.sub.20 alkyl groups, preferably C.sub.1-C.sub.15, OCOR.sub.5 groups or OR.sub.5 groups wherein R.sub.5 is selected from linear or branched C.sub.1-C.sub.20 alkyl groups, preferably C.sub.1-C.sub.15; or represent an acetylacetonate group (acac); provided that when R.sub.1 and R.sub.2 represent a methyl group and X.sub.1, X.sub.2, X.sub.3 and X.sub.4 represent a chlorine atom, R.sub.3 and R.sub.4 are different from 2,6-di-isopropylphenyl.

##STR00001##

Hydrogenation catalysts for aromatic hydrogenation including an organosilica material support, which is a polymer comprising independent units of a monomer of Formula [Z.sup.1OZ.sup.2OSiCH.sub.2].sub.3 (I), wherein each Z.sup.1 and Z.sup.2 independently represent a hydrogen atom, a C.sub.1-C.sub.4 alkyl group or a bond to a silicon atom of another monomer; and at least one catalyst metal are provided herein. Methods of making the hydrogenation catalysts and processes of using, e.g., aromatic hydrogenation, the hydrogenation catalyst are also provided herein.

Hydrogenation catalysts for aromatic hydrogenation including an organosilica material support, which is a polymer comprising independent units of a monomer of Formula [Z.sup.1OZ.sup.2OSiCH.sub.2].sub.3 (I), wherein each Z.sup.1 and Z.sup.2 independently represent a hydrogen atom, a C.sub.1-C.sub.4 alkyl group or a bond to a silicon atom of another monomer; and at least one catalyst metal are provided herein. Methods of making the hydrogenation catalysts and processes of using, e.g., aromatic hydrogenation, the hydrogenation catalyst are also provided herein.

Embodiments are directed to bis- and poly-phosphaguanidine compounds, and the metal-ligand complexes formed therefrom, wherein the metal complexes can be used as procatalysts in polyolefin polymerization. Formulas (I) (II) and (III).

##STR00001##

A catalyst system comprising a combination of: 1) an activator; 2) one or more metallocene catalyst compounds; 3) a support comprising an organosilica material, which may be a mesoporous organosilica material. The organosilica material may be a polymer of at least one monomer of Formula [Z.sup.1OZ.sup.2SiCH.sub.2].sub.3 (I), where Z.sup.1 represents a hydrogen atom, a C.sub.1-C.sub.4 alkyl group, or a bond to a silicon atom of another monomer and Z.sup.2 represents a hydroxyl group, a C.sub.1-C.sub.4 alkoxy group, a C.sub.1-C.sub.6 alkyl group, or an oxygen atom bonded to a silicon atom of another monomer. This invention further relates to processes to polymerize olefins comprising contacting one or more olefins with the above catalyst system.

A catalyst system comprising a combination of: 1) an activator; 2) one or more metallocene catalyst compounds; 3) a support comprising an organosilica material, which may be a mesoporous organosilica material. The organosilica material may be a polymer of at least one monomer of Formula [Z.sup.1OZ.sup.2SiCH.sub.2].sub.3 (I), where Z.sup.1 represents a hydrogen atom, a C.sub.1-C.sub.4 alkyl group, or a bond to a silicon atom of another monomer and Z.sup.2 represents a hydroxyl group, a C.sub.1-C.sub.4 alkoxy group, a C.sub.1-C.sub.6 alkyl group, or an oxygen atom bonded to a silicon atom of another monomer. This invention further relates to processes to polymerize olefins comprising contacting one or more olefins with the above catalyst system.

Organosilica materials, which are a polymer of at least one independent monomer of Formula [Z.sup.1OZ.sup.2OSiCH.sub.2].sub.3 (I), wherein Z.sup.1 and Z.sup.2 each independently represent a hydrogen atom, a C.sub.1-C.sub.4 alkyl group or a bond to a silicon atom of another monomer and at least one other monomer is provided herein. Methods of preparing and processes of using the organosilica materials, e.g., for gas separation, color removal etc., are also provided herein.

Organosilica materials, which are a polymer of at least one independent monomer of Formula [Z.sup.1OZ.sup.2OSiCH.sub.2].sub.3 (I), wherein Z.sup.1 and Z.sup.2 each independently represent a hydrogen atom, a C.sub.1-C.sub.4 alkyl group or a bond to a silicon atom of another monomer and at least one other monomer is provided herein. Methods of preparing and processes of using the organosilica materials, e.g., for gas separation, color removal etc., are also provided herein.

Adsorbent materials including a porous material support and about 0.5 wt. % to about 30 wt. % of a Group 8 metal ion are provide herein. Methods of making the adsorbent material and processes of using the adsorbent material, e.g., for heteroatom species separation, are also provided herein.

Adsorbent materials including a porous material support and about 0.5 wt. % to about 30 wt. % of a Group 8 metal ion are provide herein. Methods of making the adsorbent material and processes of using the adsorbent material, e.g., for heteroatom species separation, are also provided herein.