Quotables
"This is the patent age of new inventions for killing bodies, and for saving souls. All propagated with the best intentions."
Lord Byron ;
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 |
| 7423185 | Amino alcohol derivatives, pharmaceutical compositions containing the same, and use thereof The present invention provides compounds represented by general formula (I): or pharmaceutical acceptable salts thereof, wherein R1 and R2 are each hydrogen or lower alkyl; R3, R4... | 09/09/2008 |
| 7365231 | Compound with antitumor activity and preparation method therefor The present invention provides the diaminophenyladamantane derivatives with antitumor activities and the preparation method therefore. The method includes a step of reacting an aromatic diol with at least one 5-halo-2-nitrophenol in the presence of at least one inor... | 04/29/2008 |
| 7223988 | Color tunable photoluminescent blends Embodiments of the present invention are directed toward a photoluminescent article comprising at least one host material and at least one color tunable photoluminescent dye. In certain embodiments, the emission spectrum of the at least one tunable photoluminescent ... | 05/29/2007 |
| 7157419 | Growth factor binding molecules Growth factor binding molecules having a plurality of peptide loops attached to a non-peptide organic scaffold, preferably having pseudo-six amino acid peptide loops with four amino acid sidechains. The growth factor binding molecules specifically bind various growt... | 01/02/2007 |
| 6891067 | Optical polyimide precursor, optical polyimide compound and fabricating method thereof The present invention provides an optical polyimide precursor for use in making a polyimide. The precursor is defined by the following formula: wherein X is Cl, Br, oxo-halide, or fully halogenated alkyl, and A is a di... | 05/10/2005 |
| 6608233 | Process for producting bis(4-hydroxy-3-nitrophenyl) compound The present invention relates to a process for producing a bis(4-hydroxy-3-nitrophenyl) compounds, characterized by nitrating a bis(4-hydroxyphenyl) compound wherein two phenyl groups are bonded to each other directly or through an electron-donating bridg... | 08/19/2003 |
| 6420130 | Optical molecular sensors for cytochrome P450 activity The invention provides a compound, useful as an optical probe or sensor of the activity of at least one cytochrome P450 enzyme, and methods of using the compound to screen candidate drugs, and candidate drugs identified by these methods. The optical probe... | 07/16/2002 |
| 6362380 | Preparation of nitrobiphenyls A process for preparing nitrobiphenyls of the formula I ##STR1## where m is 1 or 2, R is halogen R' or OR', where R' is a C-organic radical which may carry groups inert under the reaction conditions, n is 0, 1, 2 or 3, and, in the case of n being 2 or 3, ... | 03/26/2002 |
| 6268533 | Formoterol process A method is disclosed for the preparation of optically pure isomers of formoterol by the reaction of an optically pure 4-benzyloxy-3-formamidostyrene oxide with an optically pure 4-methoxy--methyl-N-(phenylmethyl)benzeneethanamine followed by ... | 07/31/2001 |
| 6198007 | Process for the preparation of 1-substituted 2,4-dinitrobenzenes Provided is a process for the preparation of specific 1-substituted 2,4-dinitrobenzenes by reaction of 1-halogeno-2,4-dinitrobenzenes with mono-alkali metal salts of specific diols, in which the 1-halogeno-2,4-dinitrobenzene and the mono-alkali metal salt... | 03/06/2001 |
| 6080790 | Tri-substituted phenyl derivatives and processes for their preparations Compounds of formula (1) ##STR1## are described wherein Y represents a halogen atom or a group --OR1, where R1 is an optionally substituted alkyl group; R2 represents an optionally substituted cycloalkyl or cycloalken... | 06/27/2000 |
| 6066757 | Stilbene compound and process for producing same A stilbene compound is disclosed which has the following general formula (I): ##STR1## wherein R1 and R2 each stand for hydrogen, an alkyl group or an acyl group and Ar1 and Ar2 each stand for a monovalent ... | 05/23/2000 |
| 5961954 | Chealators of type XN1 S1 X1 for radioactive isotopes, their metal complexes and their diagnostic and therapeutical uses This invention relates to new bifunctional chelating agents with intermittent chalcogen atoms, pharmaceuticals containing these compounds, their use in radiodiagnostics and radiotherapy, and methods for the production of these compounds. The compound acco... | 10/05/1999 |
| 5849048 | Substituted biphenyl poly (oxyalkylene) ethers and fuel compositions containing the same Substituted biphenyl poly(oxyalkylene) ethers having the formula: ##STR1## wherein R1 is hydrogen or hydroxyl; R2 is hydroxyl, cyano, nitro, amino, aminomethyl, N-alkylamino or N-alkylaminomethyl wherein the alkyl group contains... | 12/15/1998 |
| 5830244 | Poly (oxyalkyene) benzyl amine ethers and fuel compositions containing the same A fuel additive having the formula: ##STR1## wherein R1 and R2 are independently hydrogen or lower alkyl; R3 and R4 are independently hydrogen or lower alkyl and each R3 and R4 is inde... | 11/03/1998 |
| 5648555 | Alkenes A compound having the formula ##STR1##... | 07/15/1997 |
| 5574188 | Process for the preparation of 4,6-diaminoresorcinol 4,6-diaminoresorcinol can be prepared in a plurality of steps in such a way that a) 1,3-dichlorobenzene is nitrated with a mixed acid of HNO3, H2 SO4 and SO3 at 0 to 40° C. in anhydrous H2 SO4,... | 11/12/1996 |
| 5545444 | Diamino compounds and liquid crystal aligning films The present invention is to provide new diamino compounds useful for raw materials for production of liquid crystal aligning films that have excellent aligning properties and uniform and high pretilt angles over the whole display surface of wide substrate... | 08/13/1996 |
| 5492917 | Endothelin antagonists incorporating a cyclobutane Novel compounds of the general structural formula I: ##STR1## have endothelin antagonist activity and are therefore useful in treating cardiovascular disorders, such as hypertension, pulmonary hypertension, postischemic renal failure, vasospasm, cere... | 02/20/1996 |
| 5475149 | Method for ether formation A process for the preparation of 4,4'-dinitro-2,2'-di(trifluoromethyl)diphenyl ether according to the equation ##STR1## where X is F, Cl, Br or I, where the inorganic base is selected from the group consisting of alkali metal hydroxides, alkali ... | 12/12/1995 |
| 5466872 | Poly (oxyalkylene) aromatic ethers Fuel compositions containing a major amount of hydrocarbons boiling in the gasoline or diesel range and an effective deposit-controlling amount of a poly(oxyalkylene) aromatic ether having the formula: ##STR1## where A1 is nitro, amino, N-... | 11/14/1995 |
| 5463133 | Phenethyl alcohol derivative and recording material containing the same The present invention is to provide phenethyl alcohol derivative represented by the general formula (I), which is a stabilizing agent for colored images, particularly improved in resistance to plasticizers for the use in recording materials. ##STR1##... | 10/31/1995 |
| 5430195 | Diamino compounds and liquid crystal aligning films The present invention is to provide new diamino compounds useful for raw materials for production of liquid crystal aligning films that have excellent aligning properties and uniform and high pretilt angles over the whole display surface of wide substrate... | 07/04/1995 |
| 5424280 | Aryloxybenzene herbicidal agents There are provided aryloxybenzene compounds of formula I ##STR1## Further provided are compositions and methods comprising those compounds for the control of undesirable plant species.... | 06/13/1995 |
| 5414126 | Diamino compounds and liquid crystal aligning films The present invention is to provide new diamino compounds useful for raw materials for production of liquid crystal aligning films that have excellent aligning properties and uniform and high pretilt angles over the whole display surface of wide substrate... | 05/09/1995 |
| 5399773 | Process for the preparation of nitrophenyl alkyl ethers Nitrophenyl alkyl ethers can be advantageously prepared by reacting a nitrophenol with an alkyl halide in water as the reaction medium in such a manner that the nitrophenol is laid before with the water and the alkyl halide and a hydrogen halide-binding c... | 03/21/1995 |
| 5312999 | Propoxybenzene derivatives and process for preparing the same Propoxybenzene derivatives represented by the following formula ##STR1## wherein Ra represents a nitro group, an amino group which may have a protecting group or an --NHCH.dbd.C(COO--C1-6 -Alkyl)2 group, Rb represents a hydrogen... | 05/17/1994 |
| 5296635 | Preparation of bis(3-nitrophenoxy) compound A preparation process of a bis(3-nitrophenoxy) compound represented by the formula: ##STR1## wherein X is a direct bond, divalent hydrocarbon having from 1 to 10 carbon atoms or a divalent group selected from --C(CF3)2, --C... | 03/22/1994 |
| 5288742 | , dialkylbenzyl derivatives The invention concerns ,-dialkylbenzyl derivatives of the formula I ##STR1## wherein Ar1 is phenyl or naphthyl, or a 10-membered bicyclic heterocyclic moiety containing one or two nitrogen heteroatoms and optionally cont... | 02/22/1994 |
| 5276203 | Process for the preparation of 1,2-bis-(2-nitrophenoxy)-ethane The present invention relates to a process for the preparation of 1,2-bis-(2-nitrophenoxy)-ethane, by reacting 1 mole of ethylene glycol with about 190 to about 250 mol % of 2-chloronitrobenzene at temperatures of about 40° to about 100° C. with the add... | 01/04/1994 |
| 5250741 | Process for the preparation of 5-alkoxy-2-nitroso phenols Disclosed is a process for the preparation of 5-alkoxy-2-nitrosophenols by the nitrosation of 3-alkoxyphenols using an alkali metal nitrite and an alkanoic acid wherein the selectivity of the nitrosation is improved. Also disclosed is a 2-step process for... | 10/05/1993 |
| 5210278 | Process for the preparation of bisarylalkyl ethers A process for preparing a substituted styrene by reacting a bisarylalkyl ether in the presence of an acid catalyst is disclosed. The process is preferably used for the preparation of 4-acetoxystyrene from 4,4'-(oxydiethylidene)bisphenol diacetate and 4-me... | 05/11/1993 |
| 5196584 | Process for the production of polyethers containing aminophenoxy groups Disclosed herein is a process for the production of aminophenoxy-terminated polyethers containing recurring structural units corresponding to the following formula --CH2 --CH2 --CH2 --CH2 --O-- comprising reacting: a... | 03/23/1993 |
| 5185471 | Method for ether formation A process for the preparation of 1,1'-oxy-bis(3-trifluoromethyl-4-nitrobenzene) which comprises reacting a compound of the formula ##STR1## where X is F, Cl, Br or I; with an inorganic base selected from the group consisting of alkali metal hydr... | 02/09/1993 |
| 5132328 | Alcohol and ether derivatives The invention concerns a compound of the formula I, ##STR1## wherein Ar1 is optionally substituted phenyl or naphthyl; A1 is (1-6C)alkylene, (3-6C)alkenylene, (3-6C)alkynylene or cyclo(3-6C)alkylene; Ar2 is optionally subs... | 07/21/1992 |
| 5105020 | Cycloalkane derivatives The invention concerns a cycloalkane derivative of the formula I, ##STR1## wherein Ar1 is optionally substituted phenyl or naphthyl; A1 is (1-6C)alkylene, (3-6C)alkenylene, (3-6C)alkynylene or cyclo(3-6C)alkylene; Ar2 is o... | 04/14/1992 |
| 5104559 | Hydrogen perfluoroalkylaromatic ethers and related compositions and methods A lubricating compound having the structure: R1 --Rf --O--Ar--R2 wherein R1 is a monovalent radical selected from the group consisting of fluoride, unsubstituted aryloxys, substituted aryloxys, unsubstituted arylthio... | 04/14/1992 |
| 5098613 | Anti-inflammatory agents This invention provides benzene derivatives, pharmaceutical formulations of those derivatives, and a method of using the derivatives for the treatment of inflammation in mammals.... | 03/24/1992 |
| 5081315 | Fluoro-containing compounds based on 4,4'-bis[2-(4-hydroxyphenyl) hexafluoroisopropyl]diphenyl ether, processes for their preparation and their use Compounds of the formula ##STR1## in which A represents the radicals ##STR2## in which R1 and R2 are different from one another and denote hydrogen, --NO2 or --NH2, R3 is hydrogen or halogen... | 01/14/1992 |
| 5072053 | 1,3-di-arylmethoxy-4,6-dinitro-benzenes, process for their preparation and process for the preparation of 4,6-diaminoresorcinol The new 1,3-di-arylmethoxy-4,6-dinitrobenzenes of the formula ##STR1## in which R1 and R2 independently of one another denote hydrogen or C1 -C4 -alkyl and Ar represents C6 -C12 -aryl, can ... | 12/10/1991 |
