System for magnetically attaching templeless eyewear to a person
A system of eyewear that eliminates the need for hinges on the frames of the eyewear.
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| Number | Title | Issue Date |
| 7417059 | Substituted aromatic-ring compounds, process for producing the same and use The present invention is directed to a class of cyclohexene derivatives bearing sulfamoyl and ester groups which have an inhibitory activity on nitric oxide (NO) production and cytokine production, and are useful as an agent for the prophylaxis and/or treatment of d... | 08/26/2008 |
| 7361388 | Liquid-crystalline compounds having a tetrahydropyran ring The invention relates to liquid-crystalline compounds of formula (I), wherein R11, X11, Z11, Z12, Z13, L11, L12, L13, L14, L15 and L16 have the m... | 04/22/2008 |
| 7314943 | Pyran derivatives containing an exocyclic double bond The invention relates to pyran derivatives of formula I and processes and intermediates for their preparation and derivatisation, and the use thereof in liquid-crystalline media. ... | 01/01/2008 |
| 7291367 | Liquid-crystalline compounds The invention relates to liquid-crystalline compounds of the formula (I) in which R1, R2, A1, A2, A3, A4, Z1, Z2, Z3, a, b and c have the meanings indicated in Claim | 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 |
| 7022865 | Pyrans as liquid crystals A tetrahydropyran derivative comprising at least three cyclic rings and one aromatic endgroup of the formula A a process for preparing said tetrahydropyran derivatives, and the use of said tetrahydropyran derivatives as... | 04/04/2006 |
| 6974607 | Pyrans as liquid crystals Tetrahydropyran derivatives having at least one ester group (—CO—O—) and at least one group —CN, —NCS, —F, —Cl, —OCHF2, —OCF3, —CF3, —OCHFCF3, —OCF | 12/13/2005 |
| 6902777 | Liquid-crystalline medium A liquid-crystalline mediums which contain one or more compounds of the formula A and at least one compound of the formula B wherein compounds of formula A contain at lea... | 06/07/2005 |
| 6825360 | Bicyclic aromatic compounds The invention relates to novel bicyclic aromatic compounds which have the general formula (I): as well as to the use of these compounds in pharmaceutical compositions intended for use in human or veterinary medicine (d... | 11/30/2004 |
| 6812352 | Multidentate phosphite ligands, catalytic compositions containing such ligands, and catalytic processes utilizing such catalytic compositions Multidentate phosphite ligands are disclosed for use in reactions such as hydrocyanation and isomerization. The catalyst compositions made therefrom and the various catalytic processes which employ such multidentate phosphite ligands are also disclosed. In particula... | 11/02/2004 |
| 6649227 | Difluorovinyl compound, liquid crystal composition and liquid crystal display Provided are liquid crystalline compounds having a wide liquid crystal phase temperature range, low viscosity, a large elastic constant ratio K33 /K11 and excellent solubility at low temperature, a liquid crystal composition using th... | 11/18/2003 |
| 6590110 | Method for synthesizing C-glycosides of ulosonic acids The invention is directed to a method for synthesizing C-glycosides of ulosonic acids, as well as intermediates thereof and C-glycosides prepared by this method.... | 07/08/2003 |
| 6472422 | Analogs of cocaine The invention provides a compound of formula (I): ##STR1## wherein R1, R2, R3, and Y have any of the meanings defined in the specification; as well a pharmaceutical composition comprising a compound of formula I; intermedi... | 10/29/2002 |
| 6458433 | Difluorophenyl derivatives, liquid-crystal compounds, and liquid-crystal composition Disclosed are liquid crystalline compounds which (i) are characterized in that the compounds have a wide temperature range in which the compounds exhibit a liquid crystal phase, are low in viscosity, and have a negative and large Ɗ&3xb5;, (ii) are readil... | 10/01/2002 |
| 6384237 | Pyrylium compound, process for making the same, nucleic acid stain, and labeled nucleic acid A novel pyrylium compound is represented by the general formula (I): ##STR1## wherein X is oxygen or sulfur, Y- is a monovalent anion, n is an integer of 2 or 3, and M is hydrogen or an alkali metal. This pyrylium compound functions as a labeli... | 05/07/2002 |
| 6331625 | Photochromic spirofluorenopyran compounds Photochromic spirofluorenopyran compounds corresponding to the general formula (I): ##STR1## in which B, B', R1 to R4 and G have the meanings defined herein. The compounds of the invention are useful in the production of photoch... | 12/18/2001 |
| 6225466 | Photochromic spirofluorenopyran compounds Photochromic spirofluorenopyran compounds corresponding to the general formula (I): ##STR1## in which B, B', R1 to R4 and G have the meanings defined herein. The compounds of the invention are useful in the production of photoch... | 05/01/2001 |
| 6146718 | Liquid crystalline compound having a negative dielectric anisotropy value, liquid crystal composition containing the liquid crystalline compound, and liquid crystal display element produced utilizing the liquid crystal composition The present invention provides a liquid crystal compound having a negative dielectric constant anisotropy value of a large absolute value, a controlled optically anisotropy value, a high resistivity, a high voltage retention, and high stability against he... | 11/14/2000 |
| 6121312 | Cyclic ether vitamin D3 compounds and uses thereof Novel cyclic ether vitamin D3 compounds having a cyclic ether side chain are disclosed. These compounds were first identified as metabolites of 3-epi vitamin D3 produced via a tissue-specific metabolic pathway which catalyzes the formation of a cyclic eth... | 09/19/2000 |
| 6008350 | Process for the production of cyanine dyes The present invention relates to a process for the production of cyanine dyes with their methine chain showing group (M) and the charge compensation occuring by linked end groups through transformation of cationic cyanine dyes comprising group (D) with CH... | 12/28/1999 |
| 5952376 | Trienyl compounds Triene-containing compounds which mimic the chemical and/or biological activity of the spongistatins are provided, as are methods and intermediates useful in their preparation.... | 09/14/1999 |
| 5760073 | Substituted 4H-pyrans The substituted 4H-pyrans are prepared by reacting either aldehydes or ylidene compounds with suitably substituted ଲ-diketones. The substituted 4H-pyrans according to the invention are suitable as active compounds in medicaments, in particular for t... | 06/02/1998 |
| 5753776 | Liquid-phase fluorination This invention pertains to a method for liquid phase fluorination for perfluorination of a wide variety of hydrogen-containing compounds.... | 05/19/1998 |
| 5723681 | 3,3-(disubstituted)cyclohexan-1-01 dimers and related compounds The present invention relates to novel 3,3-(disubstituted)cyclohexan-1-ol dimers and related compounds, pharmaceutical compositions containing these compounds, and their use in treating allergic and inflammatory diseases and for inhibiting the production ... | 03/03/1998 |
| 5674949 | Liquid-phase fluorination This invention pertains to a method for liquid-phase fluorination for perfluorination of a wide variety of hydrogen-containing compounds.... | 10/07/1997 |
| 5672767 | Process for preparing polyether compounds A process for the preparation of a perfluoropolyether having a general formula: ##STR1## as defined hereinbefore, which process includes the direct fluorination with elemental fluorine of a polyether having a general formula: ##STR2## as de... | 09/30/1997 |
| 5571870 | Liquid phase fluorination This invention pertains to a method for liquid phase fluorination for perfluorination of a wide variety of hydrogen-containing compounds.... | 11/05/1996 |
| 5539059 | Perfluorinated polyethers This invention pertains to perfluoropolyethers and perhalogenated chlorofluoropolyethers that can be prepared by fluorinating addition polymers made by polymerizing epoxides.... | 07/23/1996 |
| 5461117 | Liquid phase fluorination This invention pertains to a method for liquid phase fluorination for perfluorination of a wide variety of hydrogen-containing compounds.... | 10/24/1995 |
| 5384415 | Process for the preparation of brominated compounds, especially from alcohols A process for the preparation of a brominated compound which comprises the step of reacting at least one compound selected from the group consisting of a chloroformate, a chlorosulfite and a chlorophosphite with a brominating agent for a time sufficient t... | 01/24/1995 |
| 5332790 | Liquid-phase fluorination This invention pertains to a method for liquid phase fluorination for perfluorination of a wide variety of hydrogen-containing compounds.... | 07/26/1994 |
| 5322903 | Liquid-phase fluorination This invention pertains to a method for liquid phase fluorination for perfluorination of a wide variety of hydrogen-containing compounds.... | 06/21/1994 |
| 5322904 | Liquid-phase fluorination This invention pertains to a method for liquid phase fluorination for perfluorination of a wide variety of hydrogen-containing compounds.... | 06/21/1994 |
| 5281720 | Pyranylphenyl hydroxyalkylnaphthoic acids as inhibitors of leukotriene biosynthesis Compounds having the formula I: ##STR1## are inhibitors of leukotriene biosynthesis. These compounds are useful as anti-asthmatic, anti-allergic, anti-inflammatory, and cytoprotective agents. They are also useful in treating angina, cerebral spasm, ... | 01/25/1994 |
| 5254581 | Pyran derivatives and their use as inhibitors of 5-lipoxygenase The invention concerns a cyclic ether derivative of the formula I ##STR1## wherein Ar1 is optionally substituted phenyl, naphthyl or a 9- or 10-membered bicyclic heterocyclic moiety; A1 is a direct link to X1 or (1-3C)alky... | 10/19/1993 |
| 5241086 | Process for the preparation of brominated compounds, especially from alcohols A process for the preparation of a brominated compound which comprises the step of reacting at least one compound selected from the group consisting of a chloroformate, a chlorosulfite and a chlorophosphite with a brominating agent for a time sufficient t... | 08/31/1993 |
| 5093432 | Liquid phase fluorination This invention pertains to a method for liquid phase fluorination for perfluorination of a wide variety of hydrogen-containing compounds.... | 03/03/1992 |
| 5041545 | 2-hydroxybenzophenone hydrazides and derivatives thereof Hydrazide functionalized 2-hydroxybenzophenone ultraviolet light and heat stabilizers and derivatives are disclosed having the general formula: ##STR1## wherein R1, R2, R3, R4, R5, R6, X, Y... | 08/20/1991 |
| 4973716 | Process for preparing perfluoroethers by fluorination with elemental fluorine A process for fluorinating hydrogenated ethereal compounds by direct reaction with elemental F2 diluted with an inert gas, wherein the starting compound is in the liquid phase, said fluorination being carried out in the presence of a per fluoro... | 11/27/1990 |
| 4889939 | Fluoropolyethers containing end groups endowed with anchoring capacity Compounds suitable for being used as lubricants, having general formula: (I) RO--(C3 F6 O)m --(CFXO)n --CFX--L, or (II) R"CFXO--(C3 F6 O)x (CFXO)y --(C2 F4 ... | 12/26/1989 |