Celebrity Inventors
Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 6844402 | Preparation of olefin-acrylic copolymers with late transition metal catalysts A process for making olefin-acrylic copolymers is disclosed. The process comprises polymerizing an olefin and an acrylic monomer in the presence of an activator and a Group 8-10 late transition metal complex. The late transition metal catalyst contains an isoindolin... | 01/18/2005 |
| 6841501 | Catalyst system for the polymerization of olefins A catalyst system for the polymerization of olefins comprising the product obtained by contacting: (A) at least one transition metal organometallic compound, pyrrolidyl bis(η-cyclopentadienyl)methylzirconium being excluded, and | 01/11/2005 |
| 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 |
| 6828395 | Polymerization process and control of polymer composition properties Methods of controlling rheological properties of polymer compositions comprising at least one high molecular weight polymer and one low molecular weight polymer are disclosed. The polymer compositions are produced by polymerizing monomers in a single reactor using a... | 12/07/2004 |
| 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 |
| 6784224 | Paste-like polymerizable composition A paste-like polymerizable composition in which two or three pastes are intimately mixed with each other to polymerize, the pastes do not gel and their polymerization curing times being stable, even when the pastes before the polymerization are preserved for a long ... | 08/31/2004 |
| 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 |
| 6737486 | Polymerization process A process for polymerization of vinyl monomers is described comprising polymerizing vinyl monomers in the presence of an initiating system comprising (i) an organic iodide, organic bromide, organic chloride, or an organic sulfur initiator compound, and (ii) a layere... | 05/18/2004 |
| 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 |
| 6699938 | Cationic catalysts and process for using said catalysts A cationic catalyst composition comprising a reactive cation and a compatible non-coordinating anion is preferably used at a temperature of 20° C. or less to produce olefin polymers, particularly polymers and copolymers of isobutylene.... | 03/02/2004 |
| 6693154 | Transition metal catalysts for olefin polymerization A catalyst system useful for polymerizing olefins is disclosed. It comprises an activator and an organometallic complex. The complex includes a Group 3-10 transition or lanthanide metal and a 1,3-bis(arylimino)isoindoline or 1,3-bis(heteroarylimino)isoind... | 02/17/2004 |
| 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 |
| 6593438 | Catalyst composition and method of polymerization This invention relates to a composition of matter comprising the catalyst compound comprising a transition metal complexed with a facially coordinating tridentate bisamide ligand. The invention is also directed to a catalyst system or a supported catalyst... | 07/15/2003 |
| 6593266 | Olefin polymerization catalyst and polymerization process An olefin polymerization catalyst having an excellent polymerization activity and an olefin polymerization process using the catalyst are disclosed. The olefin polymerization catalyst comprises (A) a transition metal compound represented by, for example, ... | 07/15/2003 |
| 6579959 | Process for producing isobutylene polymers The present invention has for its object to produce an isobutylene polymer having excellent performance characteristics by suppressing side reactions at the polymer growth termini during polymerization. The process of the present invention is to carry out... | 06/17/2003 |
| 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 |
| 6573345 | Catalyst compositions and processes for olefin oligomerization and polymerization The present invention is directed to processes of polymerizing olefin monomers and copolymerizing olefin monomer(s) with functionalized alpha-olefin monomers in the presence of certain late transition metal pyrrolaldimine chelates, especially bidenate ... | 06/03/2003 |
| 6555636 | Polymerisation catalyst A catalyst composition for the polymerization of radically polymerisable monomer is disclosed, which comprises (i) an initiator having a radically transferable atom or group and (ii) a component of Formula (I): {Fe[T]L}.(T/b)X, wherein Fe is iron and T it... | 04/29/2003 |
| 6528605 | Diyne-containing (co)polymer, processes for producing the same, and cured film A diyne-containing (co)polymer which is soluble in organic solvents, has excellent processability, and gives a cured coating film excellent in heat resistance, solvent resistance, and low-dielectric characteristics, and mechanical strength; processes for ... | 03/04/2003 |
| 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 |
| 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 |
| 6482900 | Polymer, process for producing the polymer, and curable composition containing the polymer A vinyl polymer having, at a molecular chain terminus, a structure represented by the general formula 1: ##STR1## (wherein R3 is a hydroxy, amino, epoxy, carboxylic acid, ester, ether, amide or silyl group, an alkenyl group having low polymeriz... | 11/19/2002 |
| 6476165 | Olefin polymerization process using fatty amine additives and boron-modified supported catalyst An olefin polymerization process is described. The process comprises polymerizing an olefin in the presence of a support, a single-site catalyst, an optional activator, and a fatty amine. The support is chemically treated with an organoboron compound. The... | 11/05/2002 |
| 6458903 | Polymerization method This invention is related to a polymerization method wherein an atom transfer radical polymerization of a vinyl monomer is carried out under at least one condition selected from the group consisting of the following (1), (2), (3) and (4): (1) in a substantiall... | 10/01/2002 |
| 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 |
| 6432475 | Pressure-sensitive adhesive composition, process for the preparation thereof and pressure-sensitive adhesive sheets A pressure-sensitive adhesive composition having well-balanced pressure-sensitive adhesive force and cohesive force without causing any safety or economy problems, a process for the preparation of the same and pressure-sensitive adhesive sheets using the ... | 08/13/2002 |
| 6410664 | Catalyst compositions and processes for olefin polymers and copolymers The present invention is directed to processes of polymerization of olefins and copolymerization of olefins and functionalized olefins in the presence of certain late transition metal bidentate salicylaldimine chelates represented by the formula: ##S... | 06/25/2002 |
| 6365688 | Organometallic compound, preparation method thereof and process for polymerization of olefins by means of a catalyst composition including the organometallic compound The invention relates to an organometallic compound comprising a central transition metal atom and a ligand coordinated thereto having a heteroatomic ring structure, characterized in that the ligand includes at least three nitrogen atoms, three of them be... | 04/02/2002 |
| 6333292 | Catalysts for olefin polymerization Novel compounds are disclosed comprising the skeletal unit depicted in Formula (I) ##STR1## wherein O is oxygen; N is nitrogen; R1 is hydrogen, hydrocarbyl, substituted hydrocarbyl, heterohydrocarbyl or substituted heterohydrocarbyl; R | 12/25/2001 |
| 6320005 | Catalyst for the production of olefin polymers A catalyst precursor having the formula: Aq MLn wherein each A has the formula: ##STR1## M is a metal selected from the group consisting of Group 3 to 13 elements and Lanthanide series elements; each L is a monovalent, bivalent, or trival... | 11/20/2001 |
