| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 526120000 | Material contains compound of non-transition heavy metal wherein non-transition heavy metal is not bonded to hydrogen or carbon | 11 |
| 20080221285 | Solvent-Stable Metal Complexes Having Slightly Coordinating Counter Anions as Polymerisation Catalysts - The invention relates to a solvent-stable metal catalyst having slightly coordinating counter anions of formula I [M(L) | 09-11-2008 |
| 20090105432 | METHOD FOR POLYMERISING ETHYLENICALLY UNSATURATED POLYISOBUTENE - The invention relates to a method for polymerising ethylenically unsaturated monomers, wherein ethylenically unsaturated monomers are polymerised in the presence of a solvent-stable transition metal complex having slightly co-ordinating anions as polymer catalysts. The invention also relates to specific solvent-stable transition metal complexes having slightly co-ordinating anions. The invention also relates to highly reactive copolymers which are made of monomers comprising isobutene and at least one vinylaromatic compound which can be obtained according to said inventive method. | 04-23-2009 |
| 20090299019 | PROCESS FOR PRODUCING POLYDIENES - A process for preparing a polydiene, the process comprising the step of polymerizing conjugated diene monomer in the presence of a dihydrocarbyl ether, where said step of polymerizing takes place within a polymerization mixture that includes less than 20% by weight of organic solvent based on the total weight of the polymerization mixture, and where said step of polymerizing employs a lanthanide-based catalyst system that includes the combination of or reaction product of ingredients including (a) a lanthanide compound, (b) an aluminoxane, (c) an organoaluminum compound other than an aluminoxane, and (d) a bromine-containing compound selected from the group consisting of elemental bromine, bromine-containing mixed halogens, and organic bromides. | 12-03-2009 |
| 20100063226 | NORBORNENE-BASED POLYMER HAVING LOW DIELECTRIC CONSTANT AND LOW-LOSS PROPERTIES, AND INSULATING MATERIAL, PRINTED CIRCUIT BOARD AND FUNCTION ELEMENT USING THE SAME - The present invention relates to a to a norbornene-based polymer having a low dielectric constant and low-loss properties, and an insulating material, a printed circuit board and a functional device using the same. More particularly, it relates to a norbornene-based polymer expressed by the following formula (1): | 03-11-2010 |
| 20100063227 | CATALYST SYSTEMS AND POLYMERIZATION PROCESSES - A method of polymerizing olefins with catalyst systems, such as, for example, a multimodal catalyst system, wherein the catalyst system is stored at a controlled temperature to minimize loss of catalyst system productivity. | 03-11-2010 |
| 20100121009 | CATALYST SYSTEM FOR OLEFIN POLYMERIZATION PROCESS FOR PRODUCING IT AND A PROCESS FOR THE POLYMERIZATION OF ALPHA-OLEFINS USING THE CATALYST SYSTEM - The invention relates to a catalyst system comprising a support in which transition metal cations or uncharged transition metal atoms are distributed. The system further comprises one or more separately added ligands which are capable of forming a coordinate or covalent bond with the transition metals. The catalyst system is produced by replacing metal ions present in a support by transition metal ions. The transition metal ions can optionally be reduced. One or more ligands which are capable of forming a coordinate or covalent bond with the transition metal or metals are subsequently added. The catalyst is used for the polymerization of olefins. | 05-13-2010 |
| 526121000 | Contains non-transition elemental metal, hydride thereof, or carbon to non-transition metal atom bond | 5 |
| 20100324238 | 1-BUTENE TERPOLYMERS - A terpolymer of 1-butene, ethylene and a at least a C | 12-23-2010 |
| 20140142261 | PROCESS FOR THE POLYMERIZATION OF ALPHA OLEFINS AND NON-CONJUGATED DIENES USING A TOLUENE FREE HOMOGENOUS CO-CATALYST SYSTEM WITH METALLOCENE PRO-CATALYSTS - A homogenous toluene free catalyst system for producing a polyolefin elastomer possessing a unique combination of properties employing a particular type of a metallocene catalyst. Also disclosed is a co-catalyst for activating the metallocene pro-catalyst employing a specific molar ratio of the components of the co-catalyst to the metal of the pro-catalyst. | 05-22-2014 |
| 526122000 | Nontransition heavy metal compound is halogen-containing | 3 |
| 20100056736 | Controlled Distribution of Stereospecific Sites in Ziegler-Natta Catalyst Systems - This invention relates to an improved method for improving the tacticity of Ziegler-Natta catalyst systems and for controlling the behaviour of the active stereospecific sites. | 03-04-2010 |
| 20100331504 | CATALYST FOR THE POLYMERIZATION OF OLEFINS - The present invention relates to catalysts systems for the polymerization of olefins CH | 12-30-2010 |
| 20110245438 | PRODUCTION PROCESS OF PRE-POLYMERIZED POLYMERIZATION CATALYST COMPONENT AND ADDITION POLYMER - A production process of a pre-polymerized catalyst component, comprising steps of (i) contacting a transition metal compound defined by formula [1], an activation agent, an organometallic compound defined by formula [2], and an optional organoaluminum compound with one another, thereby forming a primary polymerization catalyst, and (ii) pre-polymerizing an olefin in the presence of the primary polymerization catalyst; and a process for producing an addition polymer, comprising a step of polymerizing an addition polymerizable monomer in the presence of a pre-polymerized catalyst component produced by the above production process, or in the presence of the pre-polymerized catalyst component and an organoaluminum compound. | 10-06-2011 |
