Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8017809 | Bisboron compound A bisboron compound represented by the general formula (I): wherein B represents a boron atom, Y represents an oxygen or sulfur atom, R1 and R2 independently represent a monocyclic aromatic group, a po... | 09/13/2011 |
| 7692043 | Method for producing borazine compound In a synthesis of a borazine compound by a reaction of an alkali boron hydride represented by ABH4 (A represents lithium atom, sodium atom or potassium atom) and an amine salt represented by (RNH3)nX (R represents a hydrogen atom or ... | 04/06/2010 |
| 7582798 | Covalently linked organic frameworks and polyhedra A covalently linked organic network includes a plurality of boron-containing clusters linked together by a plurality of linking groups. The covalently linked organic networks are characterized by having each linking group bonded to at least two distinct boron-contai... | 09/01/2009 |
| 7438981 | Indenofluorene compounds and organic electroluminescent devices using the same An organic electroluminescent material and a device using the same wherein the electroluminescent material is a charge transport indenofluorene selected from one of Formula (I) and Formula (II) wher... | 10/21/2008 |
| 7429671 | Process for the fluorination of boron hydrides A process for fluorination of borohydride salts including providing a reaction medium comprising HF and a superacid. A borohydride salt compound is added to the reaction medium. The borohydride salt is reacted with the reaction medium under conditions to form a fluo... | 09/30/2008 |
| 7419623 | Proton conducting mediums for electrochemical devices and electrochemical devices comprising the same An electrochemical device and a proton conducting medium for use in an electrochemical device having a proton conducting electrolyte comprising the formula: HaMbQ.nH2O where H is a proton, M is a cation, Q is the ... | 09/02/2008 |
| 7342078 | Transition metal compound, ligand system, catalyst system and the use of the latter for polymerisation and copolymerisation of olefins A process for the polymerization of olefins, in particular a process for the copolymerization of propylene with further olefins, is carried out in the presence of highly active catalyst systems comprising specifically selected metallocenes, in particular ones which ... | 03/11/2008 |
| 7302992 | Fugitive pattern for casting A fugitive pattern for making a shell mold for investment casting a metal or alloy comprises a substantially random interpolymer and a low molecular weight polymer in proportions to provide a fugitive pattern having a combination of properties suitable for use in ma... | 12/04/2007 |
| 7302991 | Fugitive pattern for casting A fugitive pattern for making a shell mold for investment casting a metal or alloy comprises a substantially random interpolymer and a low molecular weight polymer in proportions to provide a fugitive pattern having a combination of properties suitable for use in ma... | 12/04/2007 |
| 7264036 | Fugitive pattern for casting A fugitive pattern for making a shell mold for investment casting a metal or alloy comprises a substantially random interpolymer and a low molecular weight polymer in proportions to provide a fugitive pattern having a combination of properties suitable for use in ma... | 09/04/2007 |
| 7250470 | Crystallization of polypropylene using a semi-crystalline, branched or coupled nucleating agent A method of nucleating a propylene homo- or copolymer, the method comprising contacting the propylene polymer with a semi-crystalline branched or coupled polymeric nucleating agent under nucleation conditions. In one embodiment, the propylene homopolymer is characte... | 07/31/2007 |
| 7250471 | Impact resistance polymer blends of crystalline polypropylene and partially crystalline, low molecular weight impact modifiers Polymer blends that exhibit good impact resistance comprise a crystalline polypropylene matrix and a partly crystalline copolymer impact modifier with a molecular weight lower than that of the matrix polymer. The matrix polymer can comprise any crystalline propylene... | 07/31/2007 |
| 7232870 | Bridged metallocene complexes, process for preparing the same and use thereof Provided is a bridged cyclopentadienyl-dicarbollide complex having the formula of {L[(Cp)(C2B9R110)]}MR in which Cp is an unsubstituted, alkyl-substituted, aryl-substituted or fused ring cyclopentadienyl, R1 is ... | 06/19/2007 |
| 7230135 | Synthesis of P-chiral bisphospholane ligands and their transition metal complexes for use as asymmetric hydrogenation catalysts P-chiral bisphospholane ligands and methods for their preparation are described. Use of metal/P-chiral bisphospholane complexes to catalyze asymmetric transformation reactions to provide high enantiomeric excesses of formed compounds is also described. ... | 06/12/2007 |
| 7208633 | Process for preparation of diphosphine compounds and intermediates for the process A production method of a compound represented by the formula wherein R1a, R1b, R1c, R1d, R1e, R1f, R2a, R2b, R2c,... | 04/24/2007 |
| 7205441 | Method for producing tetrakis (fluoroaryl) borate-magnesium compound Fluoroaryl magnesium halide is reacted with a boron compound so that a molar ratio of the fluoroaryl magnesium halide to the boron compound is not less than 3.0 and not more than 3.7, so as to produce a tetrakis (fluoroaryl) borate.magnesium compound. With this meth... | 04/17/2007 |
| 7202317 | Polymerization of i-butene in hydrocarbon media using bis(borane) co-initiators A method is provided for cationically polymerizing olefin monomer by using a novel coinitiator in the presence of water. More specifically, a method is provided for cationically polymerizing olefin monomer by using a novel coinitiator in an aqueous suspension or aqu... | 04/10/2007 |
| 7196149 | Polymerization of i-butane in hydrocarbon media using bis(borane) co-initiators A method is provided for cationically polymerizing olefin monomer by employing the step of using a novel coinitiator in an organic phase or a neat monomer reaction phase. More specifically, a method is provided for cationically polymerizing olefin monomer by employi... | 03/27/2007 |
| 7193024 | Alpha-Olefin based branched polymer A polymer comprising units (1) derived from an alpha-olefin having at least 3 carbon atoms (1′), units (2) derived from divinylbenzene or C1-10hydrocarbyl substituted derivatives thereof (2′), and units (3) derived f... | 03/20/2007 |
| 7183267 | β-lactamase inhibitors and methods of use thereof The invention provides novel non-β-lactam inhibitors of β-lactamases. In particular, the invention provides boronic acid-based compounds set forth in the specification. These compounds may be used with β-lactam antibiotics to bacterial infection, particularly, β... | 02/27/2007 |
| 7161040 | Method for preparation of carborane anions This invention relates to an improved method for making unsubstituted carborane anions and monosubstituted carborane anions of formula: (R—CBn—Hm′)− where n is an integer ranging from 5 to about 11 and m′ is an integer rang... | 01/09/2007 |
| 7148174 | Non-metallocene catalyst system The present invention describes a novel group of specific transition metal compounds, referred to as nonmetallocene compounds, and catalyst systems prepared therefrom. These catalyst systems which have become obtainable for the first time are suitable for the polyme... | 12/12/2006 |
| 7109269 | Impact resistant polymer blends of crystalline polypropylene and partially crystalline, low molecular weight impact modifiers Polymer blends that exhibit good impact resistance comprise a crystalline polypropylene matrix and a partly crystalline copolymer impact modifier with a molecular weight lower than that of the matrix polymer. The matrix polymer can comprise any crystalline propylene... | 09/19/2006 |
| 7105690 | Method for producing transition metal compounds and their use for the polymerization of olefins The invention relates to a method for producing special transition metal compounds, to novel transition metal compounds and to their use for the polymerization of olefins. ... | 09/12/2006 |
| 7078164 | High throughput screen for identifying polymerization catalysts from potential catalysts A method is disclosed for screening potential catalysts for polymerization performance. The method includes the steps of reacting a potential catalyst with at least a first monomer under polymerization conditions, determining the polymerization performance of the ca... | 07/18/2006 |
| 7077977 | Bulky borate activations A discrete polyolefin catalyst activator is disclosed. A salient feature of invention borate-based activators is that at least one of the ligands on the borate non-coordinating anion (NCA) comprises a fluorinated aryl group linked to the boron atom through an acetyl... | 07/18/2006 |
| 7078546 | 1,2-bis(9-bora-1,2,3,4,5,6,7,8-octafluorofluorenyl)-3,4,5,6-tetraflurobenzene and related compounds and methods The compound 1,2-bis(9-bora-1,2,3,4,5,6,7,8-octafluorofluorenyl)-3,4,5,6-tetrafluorobenzene, analogs of the compound, and methods for making the compound and its analogs. ... | 07/18/2006 |
| 7074870 | Styrene polymers and phenol-triazole type complexes, catalysts, and processes for polymerizing Metal-ligand complexes that are useful as precursors to catalysts for the polymerization of olefins are provided. Certain of the catalysts are particularly effective at polymerizing ethylene and styrene into copolymers having novel properties, including a low molecu... | 07/11/2006 |
| 7067653 | Porphyrin Based neuton capture agents for cancer therapy The invention describes the synthesis of a panel of novel carbon-carbon linked carboranyl-containing 5,10,15,20-tetraphenylporphyrins bearing 25–44% boron by weight. In certain embodiments, a phenyl porphyrin compound has a carboranyl group attached to the phenyl ... | 06/27/2006 |
| 7060754 | Crystallization of polypropylene using a semi-crystalline, branched or coupled nucleating agent A method of nucleating a propylene homo- or copolymer, the method comprising contacting the propylene polymer with a semi-crystalline branched or coupled polymeric nucleating agent under nucleation conditions. In one embodiment, the propylene homopolymer is characte... | 06/13/2006 |
| 7041765 | Films comprising isotactic propylene copolymers Films with excellent machine direction (MD) tear properties comprise at least one layer made from a polymer comprising: (A) at least 50 weight percent (wt%) propylene; and (B) at least 5 wt % ethylene and/or one or more unsaturated comonomers. Represen... | 05/09/2006 |
| 6965004 | Ethylene-styrene copolymers and phenol-triazole type complexes, catalysts, and processes for polymerizing Metal-ligand complexes that are useful as precursors to catalysts for the polymerization of olefins are provided. Certain of the catalysts are particularly effective at polymerizing ethylene and styrene into copolymers having novel properties, including a low molecu... | 11/15/2005 |
| 6960635 | Isotactic propylene copolymers, their preparation and use Unique copolymers comprising propylene, ethylene and/or one or more unsaturated comonomers are characterized as having: at least one, preferably more than one, of the following properties: (i) 13C NMR peaks corresponding to a regio-error at about 14.6 and... | 11/01/2005 |
| 6949614 | Catalyst system A catalyst system comprising a metallocene, a cocatalyst, a support material and optionally a further organometallic compound is described. The catalyst system can advantageously be used for the polymerization of olefins. Here, the use of aluminoxanes such as methyl... | 09/27/2005 |
| 6946535 | Films comprising isotactic propylene copolymers Films with excellent machine direction (MD) tear properties comprise at least one layer made from a polymer comprising: (A) at least 50 weight percent (wt %) propylene; and (B) at least 5 wt % ethylene and/or one o... | 09/20/2005 |
| 6943215 | Impact resistant polymer blends of crystalline polypropylene and partially crystalline, low molecular weight impact modifiers Polymer blends that exhibit good impact resistance comprise a crystalline polypropylene matrix and a partly crystalline copolymer impact modifier with a molecular weight lower than that of the matrix polymer. The matrix polymer can comprise any crystalline propylene... | 09/13/2005 |
| 6933063 | Spirobifluorene compounds, electroluminescence polymer and electroluminescence element having the same Provided are spirobifluorene compounds which can provide excellent processibility with improved solubility in organic solvents, an electroluminescence (EL) polymer obtained therefrom and an EL element having the same. The EL polymer comprising repeating units of the... | 08/23/2005 |
| 6933355 | Ethylene-styrene copolymers and phenol-triazole type complexes, catalysts, and processes for polymerizing Metal-ligand complexes that are useful as precursors to catalysts for the polymerization of olefins are provided. Certain of the catalysts are particularly effective at polymerizing ethylene and styrene into copolymers having novel properties, including a low molecu... | 08/23/2005 |
| 6927258 | Elastic blends comprising crystalline polymer and crystallizable polymers of propylene Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable alpha-olefin sequences. In a preferred embodiment, improved thermoplasti... | 08/09/2005 |
| 6927256 | Crystallization of polypropylene using a semi-crystalline, branched or coupled nucleating agent A method of nucleating a propylene homo- or copolymer, the method comprising contacting the propylene polymer with a semi-crystalline branched or coupled polymeric nucleating agent under nucleation conditions. In one embodiment, the propylene homopolymer is characte... | 08/09/2005 |
