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| Number | Title | Issue Date |
| 7402645 | Soluble polyfunctional vinyl aromatic polymer and method of producing the same The present invention relates to a soluble polyfunctional vinylaromatic copolymer improved in heat resistance, resistance to thermal decomposition, solvent solubility, and processability. The soluble polyfunctional vinylaromatic polymer is obtained by cationically p... | 07/22/2008 |
| 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 |
| 7294742 | Ring-opened azlactone initiators for atom transfer radical polymerization Initiators for atom transfer radical polymerizations are described. The initiators have an azlactone or ring-opened azlactone moiety to provide telechelic (co)polymers. ... | 11/13/2007 |
| 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 |
| 7230147 | Process for functionalizing a double bond The invention concerns a method for functionalizing a double bond and, more particularly, a double bond bearing a metalloid atom. Said functionalization is produced by the action of perhalogenated sulphonyl chloride on the carbon bearing sulphur in the presence of a... | 06/12/2007 |
| 7199177 | Pigment composition containing ATRP polymers The present invention relates to a composition containing ATRP polymers and dispersible inorganic or organic pigment particles. The pigment composition is useful for preparing coating compositions, prints, images, inks or lacquers and other disperse systems. ... | 04/03/2007 |
| 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 |
| 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 |
| 7041755 | Ring-opened azlactone photoiniferters for radical polymerization Photoiniferters for controlled radical polymerizations are described. The photoiniferters have an azlactone or ring-opened azlactone moiety to provide telechelic (co)polymers. ... | 05/09/2006 |
| 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 Xâˆ... | 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 |
| 6911510 | Azlactone chain transfer agents for radical polymerization Chain transfer agents for controlled radical polymerizations (RAFT) are described. The chain transfer agents have an azlactone or ring-opened azlactone moiety to provide telechelic (co)polymers. ... | 06/28/2005 |
| 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 |
| 6908952 | Ring-opened azlactone photoiniferters for radical polymerization Photoiniferters for controlled radical polymerizations are described. The photoiniferters have an azlactone or ring-opened azlactone moiety to provide telechelic (co)polymers. ... | 06/21/2005 |
| 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 |
| 6861486 | Catalyst for bulk polymerization A catalyst for bulk polymerization comprising an organometallic compound represented by specified formula and a thiol is provided. The specified organometallic compound is a metallocene compound such as titanocene or zirconocene. The use of this bulk polymerization ... | 03/01/2005 |
| 6852816 | 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... | 02/08/2005 |
| 6841637 | Ring-opened azlactone chain transfer agents for radical polymerization Chain transfer agents for controlled radical polymerizations (RAFT) are described. The chain transfer agents have an azlactone or ring-opened azlactone moiety to provide telechelic (co)polymers. ... | 01/11/2005 |
| 6825297 | Transition metal complexes and olefin polymerization process Metal complexes comprising a polydentate chelating group, catalysts and polymerization processes using the same for the polymerization of olefins, especially propylene, are disclosed. ... | 11/30/2004 |
| 6818716 | Azlactone photoiniferters for radical polymerization Photoiniferters for controlled radical polymerizations and telechelic copolymers comprising polymerized units of one or more free radically (co)polymerizable monomers having a first azalactone terminal group and a second dithiocarbamate terminal group are described.... | 11/16/2004 |
| 6797664 | Sulphured-metallic coordinated complexes in polyadditive catalysis A catalyst system and a method for preparing polymers using the catalyst system is provided. The catalyst system includes a complex represented by the formula: [MLy(HSR)ñ]n, wherein M is a transition metal cation preferably in a low... | 09/28/2004 |
| 6762257 | Azlactone chain transfer agents for radical polymerization Chain transfer agents for controlled radical polymerizations (RAFT) are described. The chain transfer agents have an azlactone or ring-opened azlactone moiety to provide telechelic (co)polymers. ... | 07/13/2004 |
| 6753391 | Ring-opened azlactone chain transfer agents for radical polymerization Chain transfer agents for controlled radical polymerizations (RAFT) are described. The chain transfer agents have an azlactone or ring-opened azlactone moiety to provide telechelic (co)polymers. ... | 06/22/2004 |
| 6747104 | Azlactone photoiniferters for radical polymerization Photoiniferters for controlled radical polymerizations are described. The photoiniferters have an azlactone or ring-opened azlactone moiety to provide telechelic (co)polymers. ... | 06/08/2004 |
| 6720395 | Method for producing a stellar polymer A method of producing 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 is provided. ... | 04/13/2004 |
| 6664350 | Supported polymerisation catalyst The invention relates to supported ligands and catalysts for use in the polymerization of olefinically unsaturated monomers such as vinylic monomers, comprising the use of a compound attached to support, the compound being capable of complexing with a tra... | 12/16/2003 |
| 6653415 | Method for producing defined layers or layer systems The invention relates to a method for producing defined layers or layer systems made of polymers or oligomers on any solid surface and with a controlled structure, according to which the layers are chemically deposited on the solid surface by means of liv... | 11/25/2003 |
| 6639032 | Highly branched polymer from telomerization A process for making hyperbranched polymers from An --Lz (XY)m type monomers wherein A is a polymerizable group moiety, XY is a telogen group moiety in which Y is a transferable atom or group which can participate in a tra... | 10/28/2003 |
| 6639029 | Process for continuous synthesis of polymer compositions as well as use of same The present invention relates to a process for synthesis of polymer compositions, wherein ethylenically unsaturated monomers are polymerized by means of initiators containing a transferable atom or group of atoms and of one or more catalysts comprising at... | 10/28/2003 |
| 6627314 | Preparation of nanocomposite structures by controlled polymerization The present invention describes preparation of nanocomposite particles and structures by polymerizing monomers onto a functional inorganic colloid comprising a polymerization initiation site. The polymerization process is preferably a controlled/living po... | 09/30/2003 |
| 6610802 | Process for synthesis of polymer compositions, polymer compositionS obtainable by the process, and use of the same The present invention relates to a process for synthesis of polymer compositions with reduced catalyst content, wherein ethylenically unsaturated monomers containing less than 0.5 wt % of ethylenically unsaturated monomers with at least one carboxylic gro... | 08/26/2003 |
| 6610801 | Processes for synthesis of polymer compositions The present invention relates to processes for synthesis of poly(meth)acrylate compositions, wherein ethylenically unsaturated monomers are transformed to polymers by means of initiators containing a transferable group of atoms and of one or more catalyst... | 08/26/2003 |
| 6576722 | Acrylic-halogenated polyolefin copolymer adhesion promoters The present invention is directed to a method for producing a copolymer and a copolymer product of the method. The copolymer is prepared by a controlled radical polymerization process, typically an atom transfer radical polymerization process, in which po... | 06/10/2003 |
| 6512060 | Atom or group transfer radical polymerization A process for controlled coupling and chain extension, or atom transfer condensation polymerization, of molecules containing one or more radically transferable atoms or groups is provided, wherein transition metal compounds, optionally partially in the ze... | 01/28/2003 |
| 6489412 | Method for effecting bulk polymerization using a catalyst A catalyst for bulk polymerization comprising an organometallic compound represented by specified formula and a thiol is provided. The specified organometallic compound is a metallocene compound such as titanocene or zirconocene. The use of this bulk poly... | 12/03/2002 |
| 6486279 | Acid activation of ruthenium metathesis catalysts and living ROMP metathesis polymerization in water Activation of ruthenium based catalyst compounds with acid to improve reaction rates and yields of olefin metathesis reactions, including ROMP, RCM, ADMET and cross-methasis reactions is disclosed. The ruthenium catalyst compounds are ruthenium carbene co... | 11/26/2002 |
| 6486264 | Process for producing hydrogenated ring-opening polymerization polymer of cycloolefin 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... | 11/26/2002 |
| 6482904 | Support materials for use with polymerization catalysts The invention provides new olefin(s) polymerization catalyst systems, including polytetrafluoroethylene support. The invention also provides methods of preparing the catalyst system, and to the catalyst system's use in a gas or slurry polymerization proce... | 11/19/2002 |
| 6455645 | Process for the production of telechelic polymers, telechelic polymers produced in this manner and use thereof A novel process for the production of oligomeric and polymeric telechelic compositions, to the telechelic compositions produced in this manner and to use thereof in the plastics, fibres or lacquer sectors.... | 09/24/2002 |
