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| Number | Title | Issue Date |
| 7803886 | Ligands and catalyst systems thereof for the catalytic oligomerization of olefinic monomers The present invention relates to a ligand and its use in a catalyst for the oligomerization of olefinic monomers, the ligand having the general formula (I); P(R4)—P(R1)(R2)═N(R3) (I) | 09/28/2010 |
| 7524905 | Substantially linear copolymers and methods of making the same Substantially linear copolymers derived from at least one acyclic aliphatic olefin monomer and at least one nitrogen containing vinyl monomer, wherein the at least one nitrogen containing vinyl monomer is according to Formula (I) | 04/28/2009 |
| 7339006 | Metathesis-active adhesion agents and methods for enhancing polymer adhesion to surfaces The invention discloses an adhesion agent composition comprising at least one C3-C200 olefin compound having at least one metathesis active double bond, wherein the olefin is substituted or unsubstituted; and at least one compatibilizing functi... | 03/04/2008 |
| 7307130 | Polymerization reactor operability using static charge modifier agents The present invention relates to a catalyst composition and a method for making the catalyst composition of a polymerization catalyst and a static charge modifier. The invention is also directed to the use of the catalyst composition in the polymerization of olefin(... | 12/11/2007 |
| 7300990 | Zwitterionic polymers Polymers may be made from zwitterionic monomers having controlled architectures and molecular weights, using living polymerisations such as group or atom transfer radical polymerisation. For instance polymers may be formed by atom transfer radical polymerisation usi... | 11/27/2007 |
| 7285593 | Polyolefin compositions optionally having variable toughness and/or hardness The present invention provides novel polyolefin compositions having variable hardness and/or toughness properties. The polyolefin compositions include: a polyolefin prepared by the metathesis of an olefin monomer using a ruthenium or osmium carbene catalyst; and one... | 10/23/2007 |
| 7285607 | Polymerisation of olefinic compounds This invention relates to a process for producing a polymeric product by the polymerisation of at least one olefinic compound in the form of an olefin or a compound including an olefinic moiety by contacting the at least one olefinic compound with a polymerisation c... | 10/23/2007 |
| 7271203 | Crosslinking of photoiniator-initialized polyacrylates A process for increasing the molecular weight of polyacrylates, characterized in that polyacrylates which are functionalized at least on one part of their chain ends by photoinitiator groups X are exposed to actinic radiation, so that a direct linking reaction of th... | 09/18/2007 |
| 7268196 | Process for producing cycloolefin addition polymer A process for producing a cycloolefin addition polymer in which one or more cycloolefin monomers can be (co)polymerized by addition polymerization with a small palladium catalyst amount to produce a cycloolefin addition (co)polymer while attaining high catalytic act... | 09/11/2007 |
| 7244788 | Polymer and process for producing polymers A method of producing a polymer or a stellar polymer which comprises polymerizing a vinyl monomer in the manner of living radical polymerization and adding a compound having two or more polymerizable carbon-carbon double bonds at the end point of the polymerization.... | 07/17/2007 |
| 7241847 | Process for producing cycloolefin addition polymer A process for producing a cycloolefin addition polymer in which one or more cycloolefin monomers can be (co)polymerized by addition polymerization with a small palladium catalyst amount to produce a cycloolefin addition (co)polymer while attaining high catalytic act... | 07/10/2007 |
| 7211619 | Stabilizing high-vinyl polybutadiene A stabilized high-vinyl polybutadiene composition comprising a high-vinyl polybutadiene, and an antioxidant defined by the formula where each R1 and R2, which may be the same or different, a... | 05/01/2007 |
| 7208565 | Polymerization catalyst for polyesters, polyester produced with the same, and process for production of polyester This invention provides a novel polycondensation catalyst using no antimony compound, polyester produced by using the same, and a process for producing polyester. A novel catalyst comprising an aluminum compound and a phosphorus compound is used as the polycondensat... | 04/24/2007 |
| 7208441 | Polymerization catalyst systems and processes therefor and therewith A copolymer of ethylene and a higher alpha olefin, preferably 1-hexene, can be produced using an activated chromium containing catalyst system and a cocatalyst selected from the group consisting of trialkylboron, trialkylsiloxyalutninum, and a combination of trialky... | 04/24/2007 |
| 7173097 | Metathesis-curable composition with a reaction control agent A composition curable by a metathesis reaction upon mixing its components and comprising an olefin-containing substrate, a metathesis catalyst, and a reaction control agent for slowing the progress of the metathesis reaction. The metathesis catalyst is a ruthenium o... | 02/06/2007 |
| 7160833 | Spray-dried polymerization catalyst and polymerization process employing same A spray-dried composition comprising the reaction product of a magnesium halide, a solvent, an electron donor compound, and a transition metal compound and an inert filler comprising substantially spherical particles having an average particle size ranging from abou... | 01/09/2007 |
| 7148302 | Catalyst for polymerization of norbornene This invention is based upon the discovery that a catalyst system which is comprised of (a) palladium or a palladium compound and (b) a fluorinated alcohol is effective for polymerizing norbornene-functional monomers into polynorbornene-functional polymers. It has b... | 12/12/2006 |
| 7122611 | Catalyst for polymerization of norbornene This invention is based upon the discovery that a catalyst system which is comprised of (a) palladium or a palladium compound and (b) a fluorinated alcohol is effective for polymerizing norbornene-functional monomers into polynorbornene-functional polymers. It has b... | 10/17/2006 |
| 7115688 | Nanoparticles with polymer shells The invention provides a method of preparing nanoparticles having at least one polymer shell attached to them, each polymer shell having a selected property or properties. The method comprises attaching initiation monomers to the surfaces of the nanoparticles, conta... | 10/03/2006 |
| 7094852 | Water soluble copolymers prepared using phosphorus containing chain transfer agents Processes for making acrylic acid/allyl ether copolymers are provided wherein hypo phosphorous acid and its salts are used as chain transfer agents during the polymerization process. The hypo phosphorous acid feed time is regulated in comparison to the feed time of ... | 08/22/2006 |
| 7094901 | Expanded anionic compounds comprising hydroxyl or quiescent reactive functionality and catalyst activators therefrom A cocatalyst or cocatalyst component, including a compound corresponding to the formula: (A*+a)b(Z*J*j)−cd, wherein: A* is a cation of from 1 to 80 atoms, no... | 08/22/2006 |
| 7084219 | Contact product, and catalyst component and catalyst for addition polymerization, and process for producing addition polymer A contact product obtained by a process comprising the step of contacting a compound (a) represented by the formula, M1L1r, a compound (b) represented by the formula, R1s-1T1H, a compound (c) represen... | 08/01/2006 |
| 7071269 | Acrylic PSAs with narrow molecular weight distribution A process for preparing acrylic pressure sensitive adhesives by means of radical polymerization of a monomer mixture to give a polyacrylate, wherein said polymerization is carried out with an initiator system comprising at least one triazolinyl compound of the gener... | 07/04/2006 |
| 7067581 | Repulpable PSAs The invention relates to a repulpable pressure-sensitive adhesive. Provision is made for the repulpable pressure-sensitive adhesive to comprise at least one polyacrylate-based block copolymer. ... | 06/27/2006 |
| 7064166 | Process for monomer sequence control in polymerizations The present invention relates to a polymerization process for the control of the microstructure of polymers and to novel copolymers. An embodiment of the present invention relates a process of polymerizing first and second monomers in the presence of a complex compr... | 06/20/2006 |
| 7060770 | Metathesis-curable composition with a reaction control agent A composition curable by a metathesis reaction upon mixing its components and comprising an olefin-containing substrate, a metathesis catalyst, and a reaction control agent for slowing the progress of the metathesis reaction. The metathesis catalyst is a ruthenium o... | 06/13/2006 |
| 7060769 | Method of curing composition by metathesis reaction using reaction control agent A method of controlled curing by a metathesis reaction upon mixing its components, the method including the step of mixing an olefin-containing substrate, a metathesis catalyst, and a reaction control agent. The metathesis catalyst is a ruthenium or osmium carbene c... | 06/13/2006 |
| 7037990 | Transition metal complexes in the controlled synthesis of polyolefins substituted with functional groups A method is provided for the polymerization of olefins substituted with a functional group using a transition metal catalyst that, by virtue of one or more stabilizing groups incorporated within the catalyst structure, “fixes” the stereoconfiguration of each ole... | 05/02/2006 |
| 7019082 | Polymers, supersoft elastomers and methods for preparing the same Embodiments of the present invention include a material comprising a polymer having a modulus of elasticity less than 105 Pa and a material comprising a polymer having a modulus of elasticity of less than 5×104 Pa. Embodiments also include a m... | 03/28/2006 |
| 7001590 | Metathesis-curable composition One-part and two-part compositions curable by a metathesis reaction comprising a resin containing a substrate with at least two cycloolefin groups per molecule curable by a metathesis reaction with a metathesis catalyst. These compositions may optionally contain a r... | 02/21/2006 |
| 7001961 | Catalyst composition and methods for its preparation and use in a polymerization process The present invention relates to a catalyst composition and a method for making the catalyst composition which comprises a polymerization catalyst and at least one gelling agent. The invention is also directed to the use of the catalyst composition in the polymeriza... | 02/21/2006 |
| 6974853 | Acrylate contact adhesive materials having tight molecular weight distribution An initiator system for radical polymerization, which comprises a combination of compounds of the formulae: ... | 12/13/2005 |
| 6958186 | Double sided adhesive tape An adhesive tape comprising at least a three-layer product structure having the following layers A, B, and C with the layer sequence ABC: Layer A: heat activatable adhesive having a characteristic activation temperature TA | 10/25/2005 |
| 6951831 | Catalyst composition for dimerizing, co-dimerizing, oligomerizing and polymerizing olefins A catalyst composition for use in dimerizing, co-dimerizing or oligomerizing olefins comprises: at least one zero-valent nickel complex; at least one acid with formula H+X− in which X... | 10/04/2005 |
| 6949613 | Polymerization initiator and use The application discloses supported initiators for transition metal mediated living free radical and/or atom transfer polymerisation comprising an initiator moiety attached to a support via a selectively cleavable link, and their use to produce polymers. ... | 09/27/2005 |
| 6933354 | Aluminoboronate activators for single-site olefin polymerization catalysts Single-site catalyst systems useful for polymerizing olefins are disclosed. The catalyst systems comprise an organometallic complex and an activator. The complex includes a Group 3-10 transition metal, M, and at least one indenoindolyl ligand that is pi-bonded to M.... | 08/23/2005 |
| 6908970 | Process for producing hydrogenated product of cyclic olefin polymer prepared through ring-opening polymerization A process for producing a hydrogenated product of a polymer prepared through ring-opening polymerization which comprises a polymerization step of polymerizing a cyclic olefin through ring-opening polymerization in the presence of a polymerization catalyst comprising... | 06/21/2005 |
| 6903042 | Catalytic composition and process for oligomerizing ethylene, in particular to 1-hexene A catalytic composition for oligomerizing ethylene, in particular to 1-hexene, is obtained by mixing at least one chromium carboxylate characterized in that it also contains a free carboxylic acid in a set proportion, with at least one aryloxy compound of an element... | 06/07/2005 |
| 6887817 | Olefin polymerization catalyst and process for preparing polyolefins using said catalyst An olefin polymerization catalyst is described which includes: (A) a solid catalyst component being prepared by copulverizing a magnesium compound, an aluminum compound, an electron donor and a titanium compound, and (B) an organoaluminum compound. The present inven... | 05/03/2005 |
| 6884859 | Ring-opening metathesis polymerization of bridged bicyclic and polycyclic olefins containing two or more heteroatoms A method is provided for synthesizing a polymer in a controlled fashion using a ring-opening metathesis polymerization (ROMP) reaction, wherein polymerization is carried out using a catalytically effective amount of an olefin metathesis catalyst and a bridged bicycl... | 04/26/2005 |
