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 |
| 7361645 | Androgenic 7-substituted 11-halogen steroids The invention relates to 11β-halogen steroids with general formula (I), whereby R11 is halogen, X—Y-Z represents a group with one of the two structures CH═C—C or CH2—C═C and the other radicals have the meaning that is indicated in th... | 04/22/2008 |
| 7262023 | Microbiological process for the production of 7-substituted 11-hydroxy steroids, 7,17-substituted 11-Halogen steroids and uses thereof A novel method of synthesis for the manufacture of upstream products for the production of compounds with general formulas 8, 10, and 12 is described. In this synthesis, compounds with general formula 4,B are produced in a microbiological reaction. The meanings of R... | 08/28/2007 |
| 7169769 | 17α-hydroxy-14β-steroids with hormonal effect This invention relates to steroidal compounds having the formula I wherein: R1 is O, (H,H), (H,OH), NOH, whereby OH is optionally etherified or esterified; R2 and R3 are independe... | 01/30/2007 |
| 6864248 | Androgenic steroid compounds and a method of making and using the same An androgenic steroid compound of the formula: wherein: X, Y, Z, R1, R2, R3, R5 and R6 are as defined herein. ... | 03/08/2005 |
| 6670352 | Androgenic steroid compounds and a method of making and using the same An androgenic steroid compound of the formula: ##STR1## wherein: X, Y, Z, R1, R2, R3, R5 and R6 are as defined herein.... | 12/30/2003 |
| 6492536 | Steroids, their use as medicaments, their preparation process, the intermediates of this process and the compositions containing them The subject of the invention is the products of formula (I): ##STR1## in which either R1 represents halogen, hydroxyl, (C1 -C8) alkyloxy or (C1 -C12) acyloxy, and R2 represents halogen or h... | 12/10/2002 |
| 5986115 | 7-(.xi.-aminoalkyl)-estratrienes, process for their production, pharmaceutical preparations which contain these 7-(.xi.-aminoalkyl)-estratrienes as well as their use for the production of pharmaceutical agents This invention describes new, substituted 7-(.xi.-aminoalkyl)-estratrienes of general formula I ##STR1## in which side chain SK is a radical of partial formula ##STR2## as well as their physiologically compatible addition salts with organ... | 11/16/1999 |
| 5925630 | Neuroactive steroids of the androstane and pregnane series The invention relates to 3-hydroxy, 17-(un)substituted derivatives of the androstane series and 3-hydroxy, 21-substituted derivatives of the pregnane series. These derivatives are capable of acting at a recently identified site on the GRC, t... | 07/20/1999 |
| 5866558 | 6-alkynyl steroids Compounds of formula I: ##STR1## wherein R, R1, R2, R3, and R4 have any of the values defined in the specification, and their pharmaceutically acceptable salts, are inhibitors of aromatase, and are useful f... | 02/02/1999 |
| 4921845 | 11-arylsteroid compounds The invention relates to new 11-arylsteroid compounds, having a strong antiprogestin and a weak or nonexistent antiglucocorticoid activity, to processes for preparing said compounds and also to pharmaceutical preparations which contain these derivatives a... | 05/01/1990 |
| 4874754 | Novel 19-nor-steroids Novel 19-nor-steroids of the formula ##STR1## wherein the A ring is either ##STR2## Re is selected from the group consisting of hydrogen, acyl and optionally substituted alkyl of 1 to 6 carbon atoms, R is methyl or ethyl, R1 is s... | 10/17/1989 |
| 4871724 | Novel 11-aryloestrane and 11-arylpregnane derivatives The present invention is concerned with 11-aryloestrane and 11-arylpregnane derivatives, characterized in that these derivatives have the following structure: ##STR1## wherein R1 is an aryl group with an ##STR2## group as substit... | 10/03/1989 |
| 4870069 | 11ଲ-alkynyl-estrenes and -estradienes, their production and pharmaceutical preparations containing them 11ଲ-substituted steroids of the formula ##STR1## wherein A and B together represent a second bond between the 6-position and 7-position carbon atoms, or, respectively, are each H; X is O, two H atoms or hydroximino; Z is the residue of a pentagonal ... | 09/26/1989 |
| 4861763 | 17 -(substituted-methyl)-17ଲ-hydroxy/esterified hydroxy steroids and their progestational use Steroids of the formula: ##STR1## which are characterized by a 17-cyanomethyl, azidomethyl, methoxymethyl, phenylmethyl, or ethynylmethyl substituent and a 17ଲ-hydroxy/esterified hydroxy substitutent. The steroids of this invention ... | 08/29/1989 |
| 4774236 | 17-(substituted-methyl)-17ଲ-hydroxy/esterified hydroxy steroids and pharmaceutical compositions containing them Steroids of the formula: ##STR1## which are characterized by a 17-cyanomethyl, azidomethyl, methoxymethyl, phenylmethyl, or ethynylmethyl substituent and a 17ଲ-hydroxy/esterified hydroxy substituent. The steroids of this invention h... | 09/27/1988 |
| 4567002 | Process for the preparation of 17-haloethynyl steroids, and novel 17-haloethynyl steroids 17-haloethynyl steroids of the partial formula ##STR1## wherein R1 is hydrogen or methyl, R2 is alkyl of 1-4 carbon atoms, acyl of 1-7 carbon atoms, trimethylsilyl, 2-tetrahydropyranyl, or nitrate, X is bromine or iodine, and V is me... | 01/28/1986 |
| 4557867 | 11ଲ-Difluoromethyl and (E)- and (Z)-11-fluoromethylene steriods Known reactions are arranged in a novel manner to produce 11ଲ-difluoromethyl and (E)- and (Z)-11-fluoromethylene 19-norandrostenediones and 19-nor-13ଲ-ethylandrostenediones which are useful as contraceptive agents.... | 12/10/1985 |
| 4323511 | Steroid derivatives and their use in radioimmunoassays Radiolabeled steroid derivatives having the formula ##STR1## wherein St is a 6-dehydro derivative of a 3-oxo-4,5-dehydro steroid intended for radioimmunoassay, said steroid being saturated in the 1,2-position; R is hydrogen or alkyl of 1 to 3 carbon ... | 04/06/1982 |
| 4311646 | Process for the preparation of 4,6-dien-3-one steroids A 4,6-dien-3-one steroid is produced by brominating an enolic ether of a 4-en-3-one steroid in a water-containing organic solvent which is substantially free from acetic acid and sodium acetate to give a 6-bromosteroid and then dehydrobrominating the 6-br... | 01/19/1982 |
| 4308265 | 7-Methylnorethindrone enanthate and its use in long term suppression of fertility in female mammals A novel steroid, 7-methylnorethindrone enanthate, having utility in prolonged suppression of fertility in female mammals, and methods for the use of the compound are claimed.... | 12/29/1981 |
| 4252800 | 7-methylnorethindrone enanthate and its use in long term suppression of fertility in female mammals A novel steroid, 7-methylnorethindrone enanthate, having utility in prolonged suppression of fertility in female mammals, and methods for the use of the compound are claimed.... | 02/24/1981 |
| 4212864 | Branched chain and cycloaliphatic esters of the androstane and oestrane series and pharmaceutical compositions containing same There are disclosed branched chain and cycloaliphatic esters of steroids having the formula: ##STR1## or the 5H analog thereof, where R is H or CH3 ; R1 is H or CH3 ; R2 is H or CH3 ; R3 | 07/15/1980 |
| 4119625 | Process for the manufacture of steroid carboxylic acids and the esters thereof The present invention provides a novel process for the manufacture of 17- and 17a-carboxylic acids of the androstane and D-homo-androstane series respectively, of the following partial formula of the ring D ##STR1## wherein R represents a hydrogen at... | 10/10/1978 |
| 4118488 | 4-Androsten-3-ones and process for the preparation thereof 4-Androsten-3-ones of the formula ##STR1## wherein R1 is hydrogen or the acyl radical of an organic or inorganic acid, R2 is hydrogen, alkyl, or the acyl radical of an organic or inorganic acid, R3 is methyl or ethyl,... | 10/03/1978 |
| 4052421 | 13-Ethinyl-steroids and processes for their manufacture A new class of 13-ethinyl-steroids is prepared by a novel process comprising Wittig reaction of a 13-formyl steroid with a chloro- or bromomethylenephosphorane and dehydrohalogenation of the intermediate 13-(2-halogenovinyl)steroid with an extremely stron... | 10/04/1977 |
| 4002746 | Synthesis of gon-4-enes 1. A therapeutic composition having progestational activity comprising as active ingredient a 17-aliphatic carboxylic acid ester of 17-ethynyl-18-methyl-19-nortestosterone and a pharmaceutical carrier for said compound.... | 01/11/1977 |
| 3997664 | Substituted carbinol derivatives The compounds are steroidal 17-propadienyl carbinols and derivatives thereof. The compounds have estrogenic/progestational activity.... | 12/14/1976 |
| 3978048 | 17ଲ-SUBSTITUTED-ALLENE-BEARING STEROIDS Steroidal compounds of the invention bear a 17ଲ-oxygenated group and a 17-.PSI.-alkyl substituted allene group, e.g., 17-(penta-1'-2'-dienyl)-estra-4,9-dien-17ଲ-ol-3-one, and are prepared by a procedure, e.g., involving reacting ... | 08/31/1976 |
| 3944576 | Novel steroids of the oestrane series substituted in 7-position The invention relates to novel 7-substituted-steroids of the oestrane series of the general formula: ##SPC1## In which Ring A including carbon atom 6 is ##SPC2## R1 = an alkyl group with 1-4 C-atoms, R2 = oxygen or (Y)(ଲ... | 03/16/1976 |