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Patent No. 6612440

Banana Protective Device

A banana protective device for storing and transporting a banana carefully.

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Class 585/523 - Transition metal-containing


Subclass of Class 585 - Chemistry of hydrocarbon compounds
Definition: Subject matter wherein the catalyst contains one or more
No. of patents: 163
Last issue date: 08/02/2011


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NumberTitleIssue Date
7989670Process to produce high viscosity fluids
This invention relates to processes to produce liquid poly-alpha-olefins (PAOs) having a kinematic viscosity at 100° C. of more than 20 cSt in the presence of a metallocene catalyst with a non-coordinating anion activator and hydrogen. ...
08/02/2011
7880047Polyalphaolefins and processes for forming polyalphaolefins
The invention is directed to polyalphaolefins (PAOs) and processes for forming PAOs. In one embodiment, the invention is to a process for forming a PAO comprising polymerizing C8-C12 α-olefin monomers in the presence of hydrogen, a C8
02/01/2011
7429684Process for oligomerization of ethylene to linear α-olefins
A process for preparing α-olefins from ethylene wherein the α-olefins are substantially free of olefins having greater than 12 carbon atoms comprises contacting ethylene under oligomerization conditions with a 2,6-bis(phenylimino) pyridyl metal halide catalyst in ...
09/30/2008
7323611Process for producing olefin oligomer
A process for producing an olefin oligomer, which comprises the steps of (1) contacting an olefin with an organoaluminum compound to produce a contact product (i), (2) contacting a transition metal compound with a compound represented by the formula, R1R
01/29/2008
7319083Polymerized catalyst composition
A composition is provided that includes a product of combining, in the presence of a free radical initiator a catalyst precursor and at least one monomer wherein the monomer and the catalyst precursor are poiymerizable by free-radical polymerization and wherein the ...
01/15/2008
7304159Ligands and catalyst systems thereof for ethylene oligomerisation to linear alpha olefins
Mixed bis-imine pyridine ligands of formula (I), wherein Z1, which is different from Z2, is an optionally substituted aryl group; and Z2 comprises an optionally substituted heterohydrocarbyl moiety, or an optionally substituted aryl ...
12/04/2007
7291758Process for the production of highly reactive polyisobutenes
The present invention relates to a process for the production of highly reactive polyisobutenes with a content of terminal vinylidene groupings of greater than 80 mol % and an average molecular weight of 500 to 10,000 Dalton by cationic polymerization of isobutene o...
11/06/2007
7291685Process for producing low polymer of α-olefin
There is disclosed a process for producing an α-olefin oligomer by subjecting an α-olefin to oligomerization reaction in the presence of a catalyst and an organic solvent which comprises the step of spraying a solvent containing the organic solvent in the form of ...
11/06/2007
7276616Phosphorous containing ligands for metathesis catalysts
The use of a phosphorus containing Ligand as a Ligand for a metathesis catalyst in a catalysed metathesis reaction wherein the phosphorus containing Ligand is a heterocyclic organic compound with a ligating phosphorus atom as an atom in the heterocyclic ring structu...
10/02/2007
7238747Plasticized polypropylene thermoplastics
The invention is directed to a plasticized polypropylene thermoplastic composition comprising a blend of A) from 50 to 99.9 wt % of a thermoplastic polymer derived from polypropylene, optionally with one or more copolymerizable monomer selected from C2-C
07/03/2007
7238764Process for the co-oligomerisation of ethylene and alpha olefins
A process for production of higher linear alpha olefins and/or alkyl-branched alpha olefins, which comprises the co-oligomerisation of one or more alpha olefins with ethylene in the presence of a metal catalyst system employing one or more bis-aryliminepyridine MX
07/03/2007
7223893Linear alpha-olefin dimers possessing substantial linearity
Linear 1-butene dimers and other linear alpha-olefin dimers are manufactured in high yield and with high selectivity by coupling of alpha-olefins. The coupling is accomplished by contacting alpha olefins with an iron-based catalyst activated with an aluminum-based c...
05/29/2007
7220804Method for preparing a catalyst system and its use in a polymerization process
The present invention relates to a supported catalyst composition and a method for making the supported catalyst composition and its use in a process for polymerizing olefin(s). In particular, the invention is directed to a method for making a supported catalyst com...
05/22/2007
7214842Method for oligomerizing olefins
Olefins are oligomerized by contacting an olefin with a catalyst system that is comprised of a) at least one transition metal complex that is complexed with a polydentate complexing ligand and b) an alkylaluminoxane, each component being present in such amounts that...
05/08/2007
7199075Organometallic complexes that comprise bidentate chelating ligands that combine a nitrogen-containing heterocyclic compound with an alcohol and their use for catalyzing the oligomerization of olefins
A catalyst for the oligomerization of olefins, especially ethylene contains: at least one nickel complex e.g. Li2 Ni X2 that results from bringing into contact a nickel salt e.g. a nickel carboxylate with a bi...
04/03/2007
7199180Adhesives comprising olefin polymers
Disclosed are adhesives and processes for preparing the same, comprising at least one first homogeneous ethylene/α-olefin interpolymer, and optionally at least one tackifier, and optionally at least one plasticizer. The claimed adhesives are useful as adhesives suc...
04/03/2007
7179871Non-symmetrical ligands and catalyst systems thereof for ethylene oligomerization to linear alpha olefins
Non-symmetrical ligands of formula (I); bis-aryliminepyridine MXn complexes comprising a non-symmetrical ligand of formula (I), wherein M is a metal selected from Fe or Co, n is 2 or 3, and X is halide...
02/20/2007
7176158Polymerization catalyst composition
Copolymerization of Ni(H) or Co(II) acenaphthene diimine complexes containing olefinic substituents on aryl groups in the presence of a free radical initiator results in polymerized late transition metal catalysts which can be used for olefin polymerization or oligo...
02/13/2007
7157533Process of obtaining an isoprene-enriched FCC C5 fraction and selective polymerization of isoprene from said fraction
A process is described for obtaining from an “FCC” initial C5 fraction which is enriched with isoprene and purified and usable for the selective polymerization of isoprene. A process is also described for obtaining an isoprene homopolymer from a polymerization m...
01/02/2007
7157612Olefin production process
A process is provided to stabilize and/or reactivate an olefin production catalyst system which comprises contacting an olefin production catalyst system, either before or after use, with an aromatic compound. ...
01/02/2007
7119155Polymerized catalyst composition II
Copolymerization of Ni(II) phenol imine complexes containing olefinic substituents on aryl groups with styrene in the presence of a radical initiator results in polymerized late transition metal catalysts which can be used for olefin polymerization or oligomerizatio...
10/10/2006
7101939Ethylene/α-olefin copolymer made with a non-single-site/single-site catalyst combination, its preparation and use
An ethylene/α-olefin copolymer comprising a component produced by a non-single-site polymerization catalyst and a component produced by a single-site polymerization catalyst, its preparation and use are described. The copolymer has an α-olefin content of 5 to 20 p...
09/05/2006
7087686Chain growth reaction process
A process is disclosed for the preparation of zinc alkyl chain growth products via a catalysed chain growth reaction of an alpha-olefin on a zinc alkyl, wherein the chain growth catalyst system employs a group 3-10 transition metal, or a group 3 main group metal, or...
08/08/2006
7081557Method for the oligomerization of olefins using a cycloalkylalkyl-substituted triazacyclohexane
Disclosed is a method for the oligomerization of olefins, wherein an olefin is brought into contact with a catalyst system that is obtained from a chromium source, a cycloalkylalkyl-substituted triazacyclohexane, especially a 1,3,5-tris-(cycloalkylalkyl)-1,3,5-triaz...
07/25/2006
7078579Process for the isomerization of a vinylidene olefin
A process for the double bond isomerization of a vinylidene olefin, comprising contacting a feed comprising the vinylidene olefin with an isomerization catalyst which comprises a molecular sieve in an acidic form, which molecular sieve comprises pores which have a p...
07/18/2006
7056997Catalyst composition and olefin polymerization using same
Novel metal complexes, particularly chromium complexes, which contain at least one tridentate ligand are disclosed and prepared. Olefins, particularly ethylene, can be reacted to form butene and/or other homo- or co-oligomers and/or polymers with high α-olefin conc...
06/06/2006
7053020Catalyst systems for ethylene oligomerisation to linear alpha olefins
A catalyst system comprising: (a) one or more bisarylimino pyridine iron or cobalt catalysts; (b) a first co-catalyst compound which is selected from aluminium alkyls, aluminoxanes, and mixtures thereof; and ...
05/30/2006
7053259Process of producing α-olefins
α-Olefins are made in a modified plug flow reactor system by the oligomerization of ethylene using an iron complex of a selected diimine of a 2,6-pyridinecarboxaldehyde(bisimine) or 2,6-diacylpyridine(bisimine) as the oligomerization catalyst. The reactor is modifi...
05/30/2006
7049442Ligands and catalyst systems thereof for ethylene oligomerisation to linear alpha olefins
Mixed bis-imine pyridine ligands of formula (I), wherein Z1, which is different from Z2, is an optionally substituted aryl group; and Z2 comprises an optionally substituted heterohydrocarbyl moiety, or an optionally substituted aryl ...
05/23/2006
7045632Composition and method for a hexadentate ligand and bimetallic complex for polymerization of olefins
A hexadentate ligand for polymerization of olefins including chemical structure I is provided: R1, R2, and R3 of chemical structure I are each independently hydrogen, hydrocarbyl, substituted hydrocarbyl, or an i...
05/16/2006
7041865Process for the isomerization of an olefin
A process for the double bond isomerization of an olefin, which process comprises contacting a feed comprising the olefin with an isomerization catalyst, wherein prior to contacting the feed with the isomerization catalyst one or more components of the feed are pret...
05/09/2006
7001964Selective isomerization and linear dimerization of olefins using cobalt catalysts
Provided herein is an oligomerization product formed from alpha-olefins having at least three carbon atoms comprising dimers, at least about 80 weight percent of which are linear. In an embodiment, an oligomerization product formed from alpha-olefins having at least...
02/21/2006
6987154Synthesis of A,B-alternating copolymers by olefin metathesis reactions of cyclic olefins or olefinic polymers with an acyclic diene
This invention relates generally to synthetic procedures that include the step of ring-opening metathesis of cyclic olefins and reaction with an acyclic diene co-reactant to produce regularly repeating A,B-alternating olefin polymers. The A,B-alternating polymers ar...
01/17/2006
6964936Method of making maximally dispersed heterogeneous catalysts
A method of making a catalyst with monolayer or sub-monolayer metal by controlling the wetting characteristics on the support surface and increasing the adhesion between the catalytic metal and an oxide layer. There are two methods that have been demonstrated by exp...
11/15/2005
6930218Process for the preparation of linear low molecular weight olefins by the oligomerization of ethylene
A process for the preparation of low molecular weight linear alpha olefins is disclosed. The process comprises oligomerising ethylene in an inert aliphatic or aromatic solvent in the presence of a catalyst comprising of a first component selected from zirconium alko...
08/16/2005
6916882Plasticized polypropylene thermoplastics
The invention is directed to a plasticized polypropylene thermoplastic composition comprising a blend of A) from 50 to 99.9 wt % of a thermoplastic polymer derived from polypropylene, optionally with one or more copolymerizable monomer selected from C2-C
07/12/2005
6914105Continuous process for making polymers in carbon dioxide
A method for carrying out the continuous polymerization of a monomer in a carbon dioxide reaction medium comprises the steps of: (a) providing an apparatus including a continuous reaction vessel and a separator; (b) carrying out a polymerization reaction in the reac...
07/05/2005
6911505Selective isomerization and linear dimerization of olefins using cobalt catalysts
Processes for the production of alpha-olefins, including dimerization and isomerization of olefins using a cobalt catalyst complex are provided herein. The olefins so produced are useful as monomers in further polymerization reactions and are useful as chemical inte...
06/28/2005
6911506Catalyst composition and olefin polymerization using same
Novel metal complexes, particularly chromium complexes, which contain at least one tridentate ligand are disclosed and prepared. Olefins, particularly ethylene, can be reacted to form butene and/or other homo- or co-oligomers and/or polymers with high α-olefin conc...
06/28/2005
6858767Process for producing liquid polyalphaolefin polymer, metallocene catalyst therefor, the resulting polymer and lubricant containing same
A liquid polyalphaolefin homo- or copolymer, preferably 1-decene, which is substantially amorphous is obtained by a polymerization process employing hydrogen and a particular type of metallocene catalyst. Additionally, liquid polyalphaolefin homo- or copolymer conta...
02/22/2005
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