...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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 |
| 7939697 | Fluorinating agent and method for producing fluorine-containing compound using the same A method for producing a fluorine-containing organic compound represented by the formula (7): R—Fm (7) wherein R represents a substituted or unsubstituted saturated hydrocarbon group, or a substituted or unsubstitu... | 05/10/2011 |
| 7612243 | Cyclopenta[b]naphthalene derivatives The present invention relates to cyclopenta[b]naphthalene derivatives to the use thereof in liquid-crystalline or mesogenic media, to liquid-crystalline or mesogenic media comprising at least one of these cyclopenta[b]naphthalene derivatives, and to electro-optical ... | 11/03/2009 |
| 7385067 | Process for the preparation of compounds having a CFO bridge The invention relates to a process for the preparation of compounds containing at least one —CF2—O— bridge in the molecule, in which a) an acid is added onto at least one ketene dithioketal, b) the... | 06/10/2008 |
| 7335803 | Methods and compositions for modulating alpha adrenergic receptor activity Methods and compositions for the treatment of pain and intraocular pressure. Particularly disclosed are new compositions for the treatment of chronic pain, glaucoma and methods for their use. ... | 02/26/2008 |
| 7318950 | Chiral compounds II The invention relates to chiral compounds of formula (I) R1—X1-(A1-Z1)m-G-(Z2-A2)n-X2—R2, wherein R1, R2, X1, X2 | 01/15/2008 |
| 7291474 | Hydrolytic substrates for an analyte-dependent enzyme activation system Disclosed are compounds of the general formulas: wherein Y is a moiety capable of being cleaved by a hydrolytic enzyme; L is a detectable label; X is a linking group; Z is a halogen; and R is hydrogen, an alkyl, ... | 11/06/2007 |
| 7270856 | Cyclobutane derivatives The invention relates to novel cyclobutane derivatives of the formula (I), in which R1, R2, A, Z, m, n and o have the meaning indicated in claim 1, to the use thereof as components of liquid-crystalline media, and to liquid-crystal and e... | 09/18/2007 |
| 7268248 | 3-Cyano-2,4,5-trifluorobenoxyl fluoride and intermediate products for the production thereof The present invention relates to 3-cyano-2,4,5-trifluorobenzoyl fluoride and to intermediates for its preparation and to the process for the preparation of 3-cyano-2,4,5-trifluoro-benzoyl fluoride, which starts from 5-fluoro-1,3-xylene (VIII); which is bichlorinated... | 09/11/2007 |
| 7265082 | Azeotrope-like compositions of 1,1,1,3,3-pentachloropropane and carbon tetrachloride The invention relates to azeotropic and azeotrope-like mixtures of 1,1,1,3,3-pentachloropropane (HCC-240fa) and carbon tetrachloride and a process for separating the azeotrope-like mixtures. The compositions of the invention are useful as an intermediate in the prod... | 09/04/2007 |
| 7220784 | Substituted stilbenes and their reactions The present invention relates to stilbene and quinone compounds related to combretastatin A-4 and their use as anticancer compounds and prodrugs. The compounds include those with an alkyl group on the double bond of cis or trans-stilbenes, compounds with one or more... | 05/22/2007 |
| 7182885 | Fluorinated indenes and 1,7-dihydroindacenes of negative dielectric anisotropy Fluorinated indenes and 1,7-dihydroindacenes of the general formulae (I) and (II) of negative dielectric anisotropy (Δε | 02/27/2007 |
| 7135210 | Liquid crystal compounds The invention relates to liquid crystal compounds of formula (I), where X1, X2, X3, Z1, Z2, L1, L2, L3, L4, L5, L6, L7, L8,... | 11/14/2006 |
| 7125589 | Liquid crystal compound having hydrogen as a terminal group, composition comprising the compound, and liquid crystal display element comprising the composition A compound represented by the following formula (1), a composition comprising the composition and an element comprising the composition: Ra is alkyl having 1 to 15 carbons and so forth; A1, A2 | 10/24/2006 |
| 7122228 | Compound having negative Δε The invention relates to indanes having negative Δε of the formula Ia or Ib in which R, A, Z, X, Y, V, W, n and m are as defined in claim 1. The compounds are particularly suitable for producing VA-TFT ... | 10/17/2006 |
| 7102041 | Continuous process for preparing halogenated compounds A process for preparing a haloalkane comprising: (a) contacting a haloalkane starting material with an alkene in the presence of an effective amount of a catalyst complex under conditions effective to facilitate an addition reaction and to form a product stream comp... | 09/05/2006 |
| 7087272 | Fluorinated fluorene derivatives The invention relates to fluorinated fluorene derivatives of negative DC anisotropy, of the formula I R1—(—A1—Z1—)k1—(—A2—Z2—)k2—W—(—Z3—A3 | 08/08/2006 |
| 7083832 | Partially fluorinated liquid crystal material The invention provides LC compositions that exhibit V-shaped switching when aligned in an analog device configuration and exhibit bistability when aligned in a bookshelf-type device configuration. The invention more specifically provides LC compositions of formula 1... | 08/01/2006 |
| 7081279 | Alkenyl compound having a negative Δε value, liquid crystal composition, and liquid crystal display device Liquid crystalline compounds having a large negative Δε low viscosity, a large K33/K11 value, a small Δε/Δ⊥ and mutually excellent solubility even at low temperature, compositions containing at least one of the compounds and liquid cryst... | 07/25/2006 |
| 7070838 | Liquid crystalline compound, liquid crystal composition and their polymers The present invention provides a compound represented by formula (1) defined in the specification and a liquid crystal composition comprising the compound. The invention further provides a polymer obtained by polymerization of compound or composition above, and furt... | 07/04/2006 |
| 7033652 | Liquid-crystalline medium Liquid-crystalline media comprising at least one compound of the formula I in which X, L1, L2 and L3 are as defined herein, are useful for use in elect... | 04/25/2006 |
| 7029730 | CFO-bridged, axially substituted cyclohexane derivatives The invention relates to CF2O-bridged cyclohexane derivatives, in particular compounds of formula (I), R1-(-A1-Z1-)k1-Q-CF2O-A2-(-Z3-A3-)K3-R2, wherein Q represents group (a); W1, W2 represent —CH2— and/or —O— inde... | 04/18/2006 |
| 7012165 | Oxidative fluorination of aromatic and chloroaromatic derivatives The subject invention provides methods of fluorinating an aromatic or chloroaromatic compound comprising combining an aromatic compound, a chloroaromatic compound, a mixture of aromatic compounds, a mixture of chloroaromatic compounds, or a mixture of chloroaromatic... | 03/14/2006 |
| 6992199 | Method for sulphonylating a hydroxylated organic compound The invention concerns a method for sulphonylating a hydroxylated organic compound. The invention concerns in particular aliphatic hydroxylated compounds and more particularly those which comprise on their aliphatic chain, an electroattractive group. The method for ... | 01/31/2006 |
| 6943257 | Process for preparation of aromatic halides from aromatic amines The present invention provides a process for preparing an aromatic bromide or aromatic iodide from an aromatic amine derivative using nitrite anion and halodimethylsulfonium halide generated in situ from hydrobromic acid/DMSO or hydriodic acid/DMSO. The process for ... | 09/13/2005 |
| 6916959 | Halogen-containing aromatic compound The present invention relates to halogen-containing aromatic compounds and methods thereof. The present invention relates a halogen-containing aromatic acid dianhydride, halogen-containing aromatic tetranitrile compound, halogen-containing m-phenylenediamine compoun... | 07/12/2005 |
| 6903230 | Process for producing a fluorine-containing compound It is to provide a process for synthesizing an intended fluorine-containing compound having a geminal difluoro structure with a high yield, by subjecting a carbonyl compound which is readily available to a two-stage reaction. A compound (1) such as ethyl 4-ox... | 06/07/2005 |
| 6890619 | Optical systems and refractive index-matching compositions Optical systems such as, for example, optical switches, are disclosed comprising a solid component and a refractive index-matching liquid composition interfaced with the solid component. The liquid composition has a refractive-index that is substantially equal to th... | 05/10/2005 |
| 6844032 | Liquid crystal compounds having bis(trifluoromethyl) phenyl rings, liquid crystal compositions and liquid crystal display devices The compound (1) having 2,3-bis(trifluoromethyl)-1,4-phenylene is stable chemically and has excellent miscibility with other liquid crystal compounds, large and negative dielectric anisotropy and proper optical anisotropy. A liquid crystal composition comprising the... | 01/18/2005 |
| 6838017 | Polar tolane liquid crystals New tolane and bis-tolane compounds: in which X is F (fluoro), CN (cyano), OCF3 (trifluoromethoxy), or NCS (isothiocyanate) at least one of the pairs Y1 and Y | 01/04/2005 |
| 6759101 | Liquid crystalline materials containing perfluoroalkyl and alkenyl tail groups Compounds that are useful as components in liquid crystal compositions, particularly in ferroelectric liquid crystal compositions. Compounds of the invention are rod-like molecules with a mesogenic (generally linear) core to which an alkene tail and an alkyl or alko... | 07/06/2004 |
| 6753046 | Liquid crystalline compound, medium and display The invention relates to a liquid crystalline compound of the formula I wherein X1 and R1 are defined as in claim 1. The invention further relates to a liquid crystalline medium based on a mixture o... | 06/22/2004 |
| 6733883 | Fluorinated dendrons and self-organizing ultrahigh density nanocylinder compositions This invention relates to novel fluorinated dendrons and to a universal strategy for producing functional fluorinated dendrons programmed to self-assemble into supramolecular nanocylinder compositions containing p-stacks of high electron or hole mobility donors (D),... | 05/11/2004 |
| 6706338 | Liquid-crystalline compounds The invention relates to liquid-crystalline compounds of the formula I, and to liquid-crystalline media comprising at least one compound of the formula I and to electro-optical displays containing such a liquid-crystalli... | 03/16/2004 |
| 6706934 | Method for producing 2,3,4,5-tetrachlorobenzotrifluoride Disclosed herein is a method for producing 2,3,4,5-tetrachlorobenzotrifluoride comprising chlorinating 4-chlorobenzotrifluoride with elemental chlorine, in the presence of from 0.1 to 2% by weight of iron(III) chloride and 0.05 to 0.75% by weight of aluminum(III) ch... | 03/16/2004 |
| 6670514 | Fluorinated polycycles and their use in liquid-crystal mixtures Compounds of the formula (I) ##STR1## in which: R1 is H, F, CF3, OCF3, OCF2 H, OCFH2, an alkyl radical or an alkenyl radical; R2 is H, an alkyl radical or alkyloxy radical or an alkenyl ... | 12/30/2003 |
| 6635318 | Tetracyclic and pentacyclic compounds, and their use in liquid-crystalline media Disclosed is a tetracyclic compound of the formula I ##STR1## in which R1, R2 are each, independently of one another, an alkyl or alkenyl radical having up to 15 carbon atoms which is unsubstituted, monosubstituted by CN or CF | 10/21/2003 |
| 6632949 | Halogenating agents Disclosed are a fluorinating agent represented by the general formula (1): ##STR1## wherein R1 to R4 are a substituted or unsubstituted, saturated or unsaturated alkyl group or a substituted or unsubstituted aryl group, and can be th... | 10/14/2003 |
| 6596349 | Terphenyl derivative, liquid crystal composition and liquid crystal display device The present invention provides liquid crystalline compounds having a high voltage holding ratio and a low threshold voltage, little variation of these properties with temperature change, high Ɗn, and good compatibility with other liquid crystal materials... | 07/22/2003 |
| 6590125 | Blue light-emitting polymer prepared using a fluorinated tetraphenyl monomer and an EL device manufactured using the polymer A light-emitting polymer and its preparation method, the polymer being excellent in electron injection and transport ability as well as hole injection and transport ability in an EL device, the EL device manufactured from the polymer being also emittable ... | 07/08/2003 |
| 6583307 | Convenient and efficient Suzuki-Miyaura cross-coupling catalyzed by a palladium/diazabutadiene system A Pd(OAc)2 /diazabutadiene system has been developed for the catalytic cross-coupling of aryl halides with arylboronic acids. A combination of the diazabutadiene DAB-Cy (1, N,N'-Dicyclohexyl-1,4-dizabutadiene) and Pd(OAc)2 was found ... | 06/24/2003 |