...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?
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| Number | Title | Issue Date |
| 7119201 | Triaryl-oxy-aryloxy-pyrimidine-2,4,6-trione metalloproteinase inhibitors The present invention relates to triaryl-oxy-aryloxy-pyrimidine-2,4,6-trione; metalloproteinase inhibitors of the formula wherein X, A, Y, B, G, W, and R1 are as defined in the specification, and to pharmace... | 10/10/2006 |
| 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 |
| 7074925 | N-substituted derivatives of 5-oxyiminobarbituric acid N-substituted derivatives of 5-oximinobarbituric add of the general formula where X is sulfur; R1 is selected from the group consisting of saturated or unsaturated alkyl, cycloalkyl, aryl and arylalkyl; and ... | 07/11/2006 |
| 7074464 | Perfluoropropenyl-containing compound, liquid crystal composition and liquid crystal display element A compound represented by the formula (1). wherein Ra is alkyl having 1 to 10 carbon(s) and, in that alkyl, any of —CH2— may be replaced with —O—, —S—, —CO—, —CH═CH— or —C≡C... | 07/11/2006 |
| 6914160 | Oxytocin inhibitors This invention relates to compounds of formula (I) ... | 07/05/2005 |
| 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 |
| 6783812 | Alkyl silane liquid crystal compounds Compounds useful as components of LC and FLC compositions which in turn are useful in the manufacture of optical devices. Compounds of this invention have a silane tail, which can contain more than one Si. Compounds of this invention can include those with disilane ... | 08/31/2004 |
| 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 |
| 6746731 | Ferroelectric active matrix displays with wide operating temperature range The active-matrix display contains a chiral smectic liquid-crystal mixture comprising at least one compound of the formula (I) R1—(A1—M1)a—(A2—M2)b—A3... | 06/08/2004 |
| 6737124 | Liquid crystal compounds having a silane tail with a perfluoroalkyl terminal portion Chiral nonracemic, chiral racemic and achiral compounds useful as component of LC compositions which have a silane tail group which is partially fluorinated. The silane tail group comprises a perfluoroalkyl group. The silane tail group of this invention has the form... | 05/18/2004 |
| 6720421 | PHENYLURETHANE COMPOUNDS AND METHODS FOR PRODUCING SAME, ASYMMETRIC UREA COMPOUNDS AND METHODS FOR PRODUCING SAME, BARBITURIC ACID DERIVATIVE, AND DIAZO THERMAL RECORDING MATERIAL CONTAINING THE DERIVATIVE Phenylurethane compounds of the following general formula (1); asymmetric urea compounds of the following general formula (10) obtained from the phenylurethane compounds; barbituric acid derivatives of general formula (18) produced from the asymmetric urea compounds... | 04/13/2004 |
| 6713486 | Antiviral 2,4-pyrimidinedione derivatives and process for the preparation thereof 2,4-pyrimidinedione derivatives of formula (I) having high antiviral activity against wild-type and mutant HIV-1 and low toxicity are useful for treating AIDS (I) wherein: R1 is a C6-10 aryl or C3-10 heteroaryl group optionally havin... | 03/30/2004 |
| 6706723 | Pyrimidine-2,4,6-trione metalloproteinase inhibitors The present invention relates to pyrimidine-2,4,6-trione metalloproteinase inhibitors of the formula wherein X, Y, A, B and R1 are as defined in the specification, and to pharmaceutical compositions and method... | 03/16/2004 |
| 6685995 | Ester compounds, liquid crystal compositions and liquid crystal display devices Liquid crystalline compounds suitable for driving at a low voltage and at a wide temperature range, and suitable for high speed response, liquid crystal compositions comprising the compound, and liquid crystal display devices comprising the liquid crystal... | 02/03/2004 |
| 6653258 | Hetero-aryl compounds having herbicidal, fungicidal and insecticidal activity Fungicidal compounds of the formula (I): ##STR1## and stereoisomers thereof, wherein R1 is optionally substituted aryl or optionally substituted heteroaryl; Y is oxygen, sulphur or NR4 ; R2, R3 and R4... | 11/25/2003 |
| 6518425 | Method of manufacture of 1,3-oxathiolane nucleosides Processes for the preparation of 1,3-oxathiolane nucleosides are provided that include efficient methods for the preparation of the 1,3-oxathiolane ring and subsequent condensation of the 1,3-oxathiolane with a pyrimidine or purine base. Using the process... | 02/11/2003 |
| 6491989 | Fluorinated naphthalene derivatives and their use in liquid crystal mixtures Fluorinated naphthalene derivatives of the formula (I) R1 (--A1 --M1)a (--A2 --M2)b --B--(--M3 --A3)c --(M4 --A4)d --R | 12/10/2002 |
| 6380386 | Substituted aminosalicylic acid amides with fungicidal effect and intermediate products for production thereof The invention relates to novel substituted aminosalicylamides, to a plurality of processes for their preparation and to their use as fungicides, and also to novel intermediates and to a plurality of processes for their preparation.... | 04/30/2002 |
| 6309561 | Liquid crystal compounds having a chiral fluorinated terminal portion Fluorine-containing, chiral liquid crystal compounds comprise (a) a chiral fluorochemical terminal portion comprising (i) at least one chiral center, which can optionally be heteroatom-substituted; (ii) a terminal fluoroalkyl, fluoroether, perfluoroalkyl,... | 10/30/2001 |
| 6281219 | Acaricidal and insecticidal substituted pyrimidines and a process for the preparation thereof The present invention provides compounds of Formula I ##STR1## methods for their preparation and their use as acaricidal and insecticidal agents.... | 08/28/2001 |
| 6254669 | Bleed reduction agents for ink printing inks A compound of the Formula (1) and salts thereof: ##STR1## wherein: Ar, Ar1, J, J1, X, X1 W, W1, L and m are as defined in the description. The compounds of Formula (1) are useful as additives in inks, especially... | 07/03/2001 |
| 6232325 | Benzamidine derivatives substituted by cyclic amino acid and cyclic hydroxy acid derivatves and their use as anti-coagulants This invention is directed to benzamidine derivatives substituted by cyclic amino acid and cyclic hydroxy acid derivatives which are useful as anti-coagulants. This invention is also directed to pharmaceutical compositions containing the compounds of the ... | 05/15/2001 |
| 6139924 | Chiral liquid crystal compounds having a fluorinated terminal portion Novel liquid crystal compounds are provided which exhibit less temperature dependent switching properties, for the reliable and consistent operation of liquid crystal devices. The liquid crystal compounds comprise (a) an achiral fluorochemical terminal po... | 10/31/2000 |
| 6087498 | Process for the preparation of unsymmetrical 4,6-bis(aryloxy) pyrimidine compounds There is provided a process for the preparation of unsymmetrical 4,6-bis(aryloxy)pyrimidine compounds. The unsymmetrical 4,6-bis(aryloxy)pyrimidine compounds are useful as pesticidal agents.... | 07/11/2000 |
| 6087499 | Process for producing 5-perfluoroalkyluracil derivatives A novel process is provided for producing a 5-perfluoroalkyl-5,6-dihydrouracil represented by General Formula (1): ##STR1## (where R1 and R2 are independently hydrogen, methyl, or ethyl, and Rf is a perfluoroalkyl of 1 to 10 car... | 07/11/2000 |
| 6017467 | Propiolonitrile derivatives and liquid crystal compositions comprising the same A propiolonitrile derivative of formula (I) ##STR1## wherein n1 and n2 each independently stand for 0 or 1; A1, A2 and A3 each independently represent a 1,4-phenylene, a 1,4-phenylene substituted by one or more fluorine atoms, a trans-1,4-cyclohexyle... | 01/25/2000 |
| 5990339 | Phenylacetic acid derivatives, and use as fungicides The present invention relates to phenylacetic acid derivatives of the formula I ##STR1## where the substituents and the index have the following meanings: X is NOCH3, CHOCH3, CHCH3 and [sic] CHCH2 CH3 | 11/23/1999 |
| 5972241 | Liquid crystal compounds having a chiral fluorinated terminal portion Fluorine-containing, chiral liquid crystal compounds comprise (a) a chiral fluorochemical terminal portion containing at least one methylene group and optionally containing at least one catenary ether oxygen atom; (b) a saturated, chiral or achiral, hydro... | 10/26/1999 |
| 5968410 | Fluorocyclohexane derivatives, and liquid-crystalline medium The invention relates to fluorocyclohexane derivatives of the formula I ##STR1## in which R1, R2, y1, y2, X1, X2, A1, Z1, Z2, Z3, n, m, p and q a... | 10/19/1999 |
| 5889013 | Pyrimidine acyclonucleoside derivatives The present invention relates to novel pyrimidine acyclonucleoside derivatives represented by the following general formula (I), antiviral agents containing the derivatives as the active ingredients and processes of preparation thereof. ##STR1## ... | 03/30/1999 |
| 5861109 | Liquid crystal materials, mixtures and devices Liquid crystal compounds of formula I may be used by themselves or they may be mixed with other liquid crystal compounds to give useful liquid crystal mixtures which may then be used in liquid crystal devices. The materials exhibit smectic mesophases and ... | 01/19/1999 |
| 5856483 | Process for preparing 4.6-bis(difluoromethoxy)pyrimidine derivatives A process for preparing 4,6-bis(difluoromethoxy)pyrimidine derivatives of the general formula: ##STR1## wherein R is a C1-4 -alkyl or optionally substituted phenyl or benzyl, proceeding from the corresponding 4,6-dihydroxypyrimidine d... | 01/05/1999 |
| 5849910 | Process for the preparation of unsymmetrical 4,6-bis aryloxy-pyrimidine compounds This invention provides an improved process for the preparation of unsymmetrical 4,6-bis(aryloxy)pyrimidine compounds having the structural formula I ##STR1## The unsymmetrical 4,6-bis(aryloxy)pyrimidine compounds are useful as pesticidal agents... | 12/15/1998 |
| 5820781 | Naphthyl organic compounds R1 --A--(X)m --(B)n --R2 (I) R3 --J--(Y)p --(Z)q --R4 (II) Liquid crystal compounds of formula (I) are described, where formula (I) is given as R | 10/13/1998 |
| 5747500 | Antiviral 2, 4-pyrimidinedione derivatives Novel 2,4-pyrimidinedione compounds, and pharmaceutically acceptable salts thereof which possess good antiviral activities, and specifically represented by the following formula(I): ##STR1## wherein: R1 represents an unsubstituted or subst... | 05/05/1998 |
| 5726128 | Benzyloxypyrimidine derivative, processes for producing the same and herbicidal composition 1. A benzyloxypyrimidine derivative of the formula (I): ##STR1## wherein R1 represents hydrogen, a halogen, C1 -C4 alkyl, C1 -C4 haloalkyl, C1 -C4 alkoxy, C1 -C4 | 03/10/1998 |
| 5723412 | 2-benzyloxy-4-phenoxypyrimidine derivative, processes for producing the derivative and herbicidal composition containing the derivative A 2-benzyloxy-4-phenoxypyrimidine derivative represented by the formula (I): ##STR1## wherein R1 represents hydrogen, a halogen, C1 -C4 alkyl, C1 -C4 haloalkyl, C1 -C4 alkox... | 03/03/1998 |
| 5721241 | Enzyme inhibitors, their synthesis, and methods for use Novel compounds are provided that are effective to inhibit the activity of DHUDase or UrdPase. Such compounds have the general formula ##STR1## where X is S or Se; Y H is I, F, Cl, Br, methoxy, benzyl, selenenylphenyl, or thiophenyl, and R1 | 02/24/1998 |
| 5707995 | Pesticidal pyrimidine compounds Compounds of formula (I) in which X1 and X2 each represents oxygen; S(O)n, n being 0, 1 or 2; or CO, CH2 or NR, R being hydrogen or alkyl; R1 and R10 are each hydrogen or halogen; R2 | 01/13/1998 |
| 5702637 | Liquid crystal compounds having a chiral fluorinated terminal portion Fluorine-containing, chiral liquid crystal compounds comprise (a) a chiral fluorochemical terminal portion containing at least one methylene group and optionally containing at least one catenary ether oxygen atom; (b) a saturated, chiral or achiral, hydro... | 12/30/1997 |