Patent application number | Description | Published |
20090259085 | Semi-Rigid Linked Diamines, Precursors Therefor, And Transition Metal Diamido Complexes As Catalysts For Olefin Polymerization Processes - The invention relates to a process for producing a complex for use in olefin polymerization and oligomerization of the general formula (III): | 10-15-2009 |
20090318647 | Olefin Functionalization By Metathesis Reaction - This invention relates to a process to functionalize propylene co-oligomer comprising contacting an alkene metathesis catalyst with a heteroatom containing alkene, and a propylene a co-oligomer having an Mn of 300 to 30,000 g/mol comprising 10 to 90 mol % propylene and 10 to 90 mol % of ethylene, wherein the oligomer has at least X % allyl chain ends, where: 1) X=(−0.94 (mol % ethylene incorporated)+100), when 10 to 60 mol % ethylene is present in the co-oligomer, and 2) X=45, when greater than 60 and less than 70 mol % ethylene is present in the co-oligomer, and 3) X=(1.83*(mol % ethylene incorporated)−83), when 70 to 90 mol % ethylene is present in the co-oligomer. This invention also relates to a process to functionalize propylene homo-oligomer comprising contacting an alkene metathesis catalyst with a heteroatom containing alkene, and a propylene homo-oligomer, comprising propylene, wherein the oligomer has: at least 93% allyl chain ends, an Mn of about 500 to about 20,000 g/mol, an isobutyl chain end to allylic vinyl group ratio of 0.8:1 to 1.2:1.0, and less than 100 ppm aluminum. | 12-24-2009 |
20100022726 | Pyridyldiamido Transition Metal Complexes, Production And Use Thereof - Pyridyldiamido transition metal complexes are disclosed for use in alkene polymerization. The ligands are tridentate with an NNN configuration. The general formula is: (I) | 01-28-2010 |
20100305287 | Metallocene-Substituted Pyridyl Amines, Their Metal Complexes, and Processes for Production and Use Thereof - This invention relates to new transition metal complexes for use in olefin polymerization and oligomerization. The active complex is a pyridine amide having a metallocenyl substituent as part of the ligand structure. The invention also relates to novel precursors for the ligand systems of such complexes obtained from metallocenyl-substituted pyridine compounds through sequences involving addition-condensation or lithium-halogen exchange (with subsequent metathesis) reactions. | 12-02-2010 |
20110112302 | Metathesis Catalysts and Processes for Use Thereof - This invention relates to a metathesis catalyst compound comprising an asymmetrically substituted N-heterocyclic carbene (NHC) metathesis catalyst and a process to make linear alpha-olefins comprising contacting a feed material and an optional alkene (such as ethylene) with said catalyst, where the feed material is a triacylglyceride, fatty acid, fatty acid alkyl ester, and/or fatty acid ester, typically derived from biodiesel. | 05-12-2011 |
20110112304 | Carbene Complexes of Lithium And/Or Magnesium Metal Salts, And Uses Thereof - This invention relates to a carbene complex of metal salt represented by the formula: | 05-12-2011 |
20110112305 | METATHESIS CATALYST AND PROCESS FOR USE THEREOF - This invention relates to a catalyst compound comprising a combination of a cyclic alkyl amino carbene ligand and a benzylidene both attached to a Group 8 metal, preferably ruthenium atom. | 05-12-2011 |
20110112349 | Metathesis Catalyst and Process for Use Thereof - This invention relates to a catalyst compound for the metathesis of olefins represented by the formula: | 05-12-2011 |
20110224391 | Pyridyldiamido Transition Metal Complexes, Production and Use Thereof - Pyridyldiamido transition metal complexes are disclosed for use in alkene polymerization to produce multimodal polyolefins. | 09-15-2011 |
20110301310 | Pyridyldiamido Transition Metal Complexes, Production And Use Thereof - Pyridyldiamido transition metal complexes are disclosed for use in alkene polymerization. | 12-08-2011 |
20110306815 | Metathesis Catalyst and Process for Use Thereof - This invention relates to a catalyst compound comprising a combination of a cyclic alkyl amino carbene ligand and a benzylidene both attached to a Group 8 metal, preferably ruthenium atom. | 12-15-2011 |
20120071616 | Pyridyldiamido Transition Metal Complexes, Production And Use Thereof - Pyridyldiamido transition metal complexes are disclosed for use in alkene polymerization. | 03-22-2012 |
20120245276 | Amine Functionalized Polyolefin and Methods for Preparation Thereof - This invention relates to a process to functionalize polyolefins comprising contacting a transition metal amide catalyst with an amine (preferably a secondary amine), and one or more vinyl terminated materials, preferably one or more vinyl terminated polyolefins. This invention further relates to the amine-functionalized polyolefins produced thereby. | 09-27-2012 |
20120245290 | Diblock Copolymers Prepared by Cross Metathesis - This invention relates to a composition comprising a multiblock polyolefin represented by the formula: PO—C(R | 09-27-2012 |
20120245298 | Amphiphilic Block Polymers Prepared by Alkene Metathesis - The invention relates to a multiblock polyolefin, and methods to make a multiblock polyolefin, represented by the formula (X) or (XII): | 09-27-2012 |
20120245310 | Vinyl Terminated Higher Olefin Copolymers and Methods to Produce Thereof - This invention relates to a vinyl terminated higher olefin copolymer having an Mn of 300 g/mol or more (measured by | 09-27-2012 |
20120245312 | Vinyl Terminated Higher Olefin Polymers and Methods to Produce Thereof - This invention relates to higher olefin vinyl terminated polymers having an Mn of at least 200 g/mol (measured by | 09-27-2012 |
20120289729 | Metathesis Catalyst and Process for Use Thereof - This invention relates to a Group 8 catalyst compound for the metathesis of | 11-15-2012 |
20130008830 | POLYALKYLENE CARBOXYLIC ACID POLYAMINE ADDITIVES FOR FOULING MITIGATION IN HYDROCARBON REFINING PROCESSES - Methods and systems for reducing fouling, including particulate-induced fouling, in a hydrocarbon refining process including the steps of providing a crude hydrocarbon for a refining process and adding an antifouling agent containing a polymer base unit and a polyamine group to the crude hydrocarbon are provided. The antifouling agent can be obtained by converting a vinyl terminated polymer, such as polypropylene or poly(ethylene-co-propylene), to a terminal acyl containing functional group, followed by reacting the terminal acyl containing functional group with a polyamine compound. | 01-10-2013 |
20130023633 | Vinyl Terminated Higher Olefin Polymers and Methods to Produce Thereof - This invention relates to higher olefin vinyl terminated polymers having an Mn of at least 200 g/mol (measured by | 01-24-2013 |
20130030126 | Olefin Functionalization By Metathesis Reaction - This invention relates to a process to functionalize propylene co-oligomer comprising contacting an alkene metathesis catalyst with a heteroatom containing alkene, and a propylene a co-oligomer having an Mn of 300 to 30,000 g/mol comprising 10 to 90 mol % propylene and 10 to 90 mol % of ethylene, wherein the oligomer has at least X % allyl chain ends, where: 1) X=(−0.94 (mol % ethylene incorporated)+100), when 10 to 60 mol % ethylene is present in the co-oligomer, and 2) X=45, when greater than 60 and less than 70 mol % ethylene is present in the co-oligomer, and 3) X=(1.83*(mol % ethylene incorporated)−83), when 70 to 90 mol % ethylene is present in the co-oligomer. This invention also relates to a process to functionalize propylene homo-oligomer comprising contacting an alkene metathesis catalyst with a heteroatom containing alkene, and a propylene homo-oligomer, comprising propylene, wherein the oligomer has: at least 93% allyl chain ends, an Mn of about 500 to about 20,000 g/mol, an isobutyl chain end to allylic vinyl group ratio of 0.8:1 to 1.2:1.0, and less than 100 ppm aluminum. | 01-31-2013 |
20130030135 | Vinyl-Terminated Macromonomer Oligomerization - Vinyl-terminated macromonomer oligomerization, namely, a process to produce polymacromonomers comprising contacting a vinyl-terminated macromonomer with a catalyst system capable of oligomerizing vinyl-terminated macromonomer, in the presence of an aluminum containing compound, a zinc containing compound, or a combination thereof, under polymerization conditions to produce a polymacromonomer, and polymacromonomers produced thereby. Also, polymacromonomers having a degree of polymerization greater than 10, a glass transition temperature Tg of less than 60° C., and an Mn of greater than or equal to about 5000 Da. | 01-31-2013 |
20130041122 | Polymers Prepared By Ring Opening / Cross Metathesis - This invention relates to a process for producing a polymer of a cyclic olefin and a linear mono-olefin, the process comprising contacting at least one C | 02-14-2013 |
20130131294 | Amidinate Catalyst Compounds, Process for Their Use and Polymers Produced Therefrom - This invention relates to a method to polymerize olefins comprising contacting olefins with an amidinate catalyst compound, a chain transfer agent and an activator, where the amidinate catalyst compound is represented by the formula: (amindinate) | 05-23-2013 |
20130150541 | Vinyl Terminated Higher Olefin Copolymers and Methods to Produce Thereof - This invention relates to a vinyl terminated higher olefin copolymer having an Mn of 300 g/mol or more (measured by | 06-13-2013 |
20130237671 | Amphiphilic Block Polymers Prepared by Alkene - The invention relates to a multiblock polyolefin, and methods to make a multiblock polyolefin, represented by the formula (X) or (XII): | 09-12-2013 |
20130281626 | Polyolefin Compositions and Methods of Production Thereof - This invention relates to methods for producing an alkene terminated polystyrene, including: contacting a styrenic block copolymer and an alkene in the presence of a metathesis catalyst under conditions sufficient to produce an alkene terminated polystyrene having an unsaturation functionality of at least 0.7 and a MWD of about 1.5 or less. Methods for producing functionalized polymers and polyethylene blend composition comprising these functionalized polymers are also disclosed. | 10-24-2013 |
20140087987 | Production of Vinyl Terminated Polyethylene - This invention relates to processes to produce polyethylene involving contacting ethylene with a metallocene catalyst system; wherein the catalyst system comprises: a stoichiometric activator; and a metallocene compound. The metallocene catalyst system is also disclosed. | 03-27-2014 |
20140088277 | Functionalized Resins Obtained Via Olefin Metathesis - This invention relates to a reaction product obtained by contacting a polymer comprising units derived from dicyclopentadiene with a vinyl terminated macromonomer, a vinyl monomer or a vinylene monomer, in the presence of a metathesis catalyst, where the vinyl monomer or vinylene monomer is represented by the formula: | 03-27-2014 |
20140179862 | Metal Polymeryls and the Polymer Solubilized Surfaces Derived Therefrom - Disclosed herein are certain propylene-based metal polymerals and their use in modifying surfaces, and, in general, metal polymerals used in modifying surfaces. In one aspect is a metal polymeryl comprising compounds having the general formula: MR | 06-26-2014 |
20140221587 | Process for Controlling Molecular Weight of Polyolefins Prepared Using Pyridyl Diamide Catalyst Systems - Pyridyldiamido transition metal complexes are disclosed for use in alkene polymerization to produce polyolefins. | 08-07-2014 |
20140256893 | Reversible Chain-Transfer in Polyolefin Polymerization With Pyridyldiamide Catalysts - A process of producing ethylene a-olefin copolymers, especially ethylene block copolymers, comprising contacting ethylene and a C | 09-11-2014 |
20140316089 | Pyridyldiamide Metal Catalysts and Processes to Produce Polyolefins - Disclosed are new classes of pyridyldiamide catalyst components useful in olefin polymerization, an example of which includes: | 10-23-2014 |