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| Number | Title | Issue Date |
| 7300747 | Photobase generator and curable composition The photobase generator of the invention is represented by the following formula 1: wherein Ar, R, A+ and X− are as defined in the specification. Since the photobase generator of the formu... | 11/27/2007 |
| 7217841 | Stabilizers and antiozonants for elastomers Elastomers which have excellent stability to prevent oxidative, thermal, dynamic, light-induced and/or ozone-induced degradation comprise, as stabilizers, at least one compound of the formula I [R—S(═O)m—CH2—CH(OH)—CH2 | 05/15/2007 |
| 6982353 | C2-disubstituted indan-1-ol compounds, their derivatives, processes for their preparation, and their use as pharmaceuticals The present invention is directed to C2-disubstituted indan-1-ol systems of the Formula I, physiologically acceptable salts and physiologically functional derivatives thereof, and pharmaceutical compositions comprising... | 01/03/2006 |
| 6815567 | Derivatives of 4-sulfanylalkyl-3,5-dinitrobenzyl alcohol and method for preparing the same The present invention is directed to a novel 4-sulfanylalkyl-3,5-dinitro benzyl alcohol compound and its preparation method, more specifically, derivatives of 4-sulfanylalkyl-3,5-dinitro benzyl alcohol compound having the following formula 1 and its preparation meth... | 11/09/2004 |
| 6713524 | Reactive polymers The invention relates to novel reactive polymers of formula wherein the variables are as defined in the claims. The polymers of the invention are useful for the modification of material surfaces and are particularly suit... | 03/30/2004 |
| 6403835 | Acylation of an organic group over a zeolite The invention relates to the shape selective acylation of an organic compound. In particular, the invention describes a process for such acylation wherein the process comprises reducing the number of surface acid sites without dealuminations on at least a... | 06/11/2002 |
| 6379590 | Method for making unsymmetrically substituted fluorenyl compounds for nonlinear optical applications A new method for producing unsymmetrically substituted fluorenyl compounds, one step of which is the preparation of 2,7-disubstituted fluoren-9-one derivatives via the nucleophilic substitution of a compound of the formula D ##STR1## wherein A' is se... | 04/30/2002 |
| 6320081 | O-Nitro(thio)phenol derivatives, and their preparation The invention relates to novel o-nitrophenol derivatives and o-nitrothiophenol derivatives of the following structure: ##STR1## where: A1 to A3 are--independently of one another--H, F, CH3, CF3, OCH3,... | 11/20/2001 |
| 5981778 | Process of producing ether-type thio-phospholipids A method of producing an ether-type thio-phospholipid of the formula (I): ##STR1## wherein: n is an integer of 13 to 17; A is C14 -C20 acyl group; G is a group selected from the group consisting of: ##STR2## which is useful as s... | 11/09/1999 |
| 5962483 | Trisubstituted phenyl derivatives and processes for their preparation Compounds of general formula (1) ##STR1## are described wherein Y is a halogen atom or a group --OR1, where R1 is an optionally substituted alkyl group; X is --O--, --S-- or --N(R7)--, where R7 is a hydroge... | 10/05/1999 |
| 5952456 | Gas phase process for the co-polymerization of carbon monoxide and ethylenically unsaturated compounds A gas phase process for the preparation of co-polymers comprising reacting carbon monoxide and an ethylenically unsaturated compound in the presence of a catalyst system based on (a) a source of cations of a metal of Group VIII of the Periodic Table; (b) a sou... | 09/14/1999 |
| 5808164 | Process for producing aromatic sulfides A process which can be used to produce an aromatic sulfide compound having the formula of (R4-n)(Xn)(W)Ar--S--R' is provided. The process comprises contacting, in the presence of a surfactant, a halo-substituted aromatic compound in ... | 09/15/1998 |
| 5756849 | Process for grafting a substituted difluoromethyl group onto a compound containing an electrophilic functional group The invention relates to a process and a nucleophilic reagent which is useful for grafting a substituted difluoromethyl group onto a compound containing at least one electrophilic function, characterized in that it comprises: a) a fluorocarboxylic acid of... | 05/26/1998 |
| 5675039 | Bis-m-benzotrifluoride compounds Disclosed are bis-meta-benzotrifluoride compounds having the general formula ##STR1## where each A is independently selected from the group consisting of NO2, NH2, and NH3+ Z-, Z- is ... | 10/07/1997 |
| 5650542 | Process for the preparation of 2-chloro-6-nitrophenyl alkyl sulphides and novel 2-chloro-6-nitrophenyl alkyl sulphides 2-Chloro-6-nitrophenyl alkyl sulphides of the formula ##STR1## in which the substituents are as defined in the description, can be prepared by reacting 2,3-dichloro-nitrobenzenes of the formula ##STR2## with mercaptans of the formula HS-R1 | 07/22/1997 |
| 5618981 | Process for producing aromatic sulfides A process which can be used to produce an aromatic sulfide compound having the formula of (R4-n)(Xn)(W)Ar--S--R' is provided. The process comprises contacting, in the presence of a surfactant, a halo-substituted aromatic compound in ... | 04/08/1997 |
| 5600035 | Positive photoactive compounds based on 2,6-dinitro benzyl groups and 2,5-dinitro benzyl groups Photoreactive compounds are synthesized from 2,5- or 2,6-dintrobenzyl groups. Also disclosed are methods of synthesizing reactive monomers containing 2,5- or 2,6-dintrobenzyl groups.... | 02/04/1997 |
| 5559218 | 2-aroylcyclohexanediones and their use as herbicides or plant growth-regulating agents 2-Aroylcyclohexanediones I ##STR1## (A is C1 -C6 -alkylene; R1 is substituted phenyl or hetaryl which may furthermore carry a fused ring; R2 -R5 are each hydrogen or C1 -C4 ... | 09/24/1996 |
| 5476860 | Diaromatic compounds derived from a salicylic unit and their use in human and veterinary medicine and in cosmetics Diaromatic compounds, characterized in that they correspond to the following general formula: ##STR1## in which: R1 is --CH3, --CH2 OH, --COR8 or --CH2 OCOR9, R8 is H, OH, -... | 12/19/1995 |
| 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 |
| 5446186 | Structure and synthesis of nitrophenyl-EGTA, a caged calcium, intermediates thereof and a method of producing a high photochemical yield of liberated calcium The synthesis and compound of a new caged calcium which is an ortho-nitrophenyl derivative of EGTA and various intermediates. It is synthesized in ten steps and 24% overall yield. The photosensitive chelator, nitrophenyl-EGTA, has a Kd for Ca | 08/29/1995 |
| 5427701 | Substituted phenols as stabilizers Novel compositions are described which comprises an elastomer or a lubricant and at least one compound of the formulae I or II ##STR1## The symbols R1, R2, R3, Z1 and Z2 are as defined in claim 1... | 06/27/1995 |
| 5426232 | Substituted tetracyanoquinodimethanes, processes for their preparation and their use Compounds of the formula I ##STR1## in which R1 and R2 independently of one another are C1 -C6 alkyl, C3 -C8 cycloalkyl which is unsubstituted or substituted by C1 -C4 | 06/20/1995 |
| 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 |
| 5393776 | Tocotrienol analogs in the treatment of hypercholesterolemia and hyperlipidemia This invention relates to structurally novel acyclic tocotrienol analogs, which are useful for cholesterol/lipid lowering in cases of hypercholesterolemia and hyperlipidemia, and for atherosclerosis. Also provided are pharmaceutical compositions and a met... | 02/28/1995 |
| 5376290 | Substituted phenols as stabilizers Novel compositions are described which comprise an elastomer or a lubricant and at least one compound of the formulae I or II ##STR1## The symbols R1, R2, R3, Z1 and Z2 are as defined in claim 1.... | 12/27/1994 |
| 5347050 | 3-aminopropoxyphenyl derivatives, their preparation and pharmaceutical compositions containing them The compounds of formula I, ##STR1## wherein the substituents have various significances, and physiologically acceptable hydrolyzable derivatives thereof having the hydroxy group in the 2 position of the 3-aminopropoxy side chain in esterified form, ... | 09/13/1994 |
| 5332725 | Odorants The invention is concerned with novel odorants, namely enol ethers of alky-substituted oxo-tetralins and oxo-indanes, for example of oxo-tetralins or oxo-indanes having up to 6 or 7 alkyl substituents.... | 07/26/1994 |
| 5300633 | Water-soluble, fiber-reactive azo compounds having substituted isopropyl-or isopropylene-sulfonyl group as well as triazinyl group Azo compounds of the formula Do --N.dbd.N--Ko, in which Do is a radical of the formula (2), (2a) or (2b) ##STR1## in which Y is a substituent which can be eliminated by alkali to form the vinyl group, X is chlorine or... | 04/05/1994 |
| 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 |
| 5276147 | Compounds and complexes useful in medical imaging The subject of the present invention is compounds which correspond to the following general formula: ##STR1## in which R1 and R3 independently of one another represent H, an alkyl, alkenyl, cycloalkyl, aryl, arylalkyl or an alky... | 01/04/1994 |
| 5221750 | 2-aryl-4-isoxazolin-3-one derivatives 2-aryl-4-isoxazolin-3-1-derivatives of formula (I), useful as intermediates for positive working compounds in silver halide photographic materials ##STR1## wherein R1 represents a substituted or unsubstituted alkyl having from 1 to 6 carbo... | 06/22/1993 |
| 5216138 | Water-soluble azo compounds suitable as fibre-reactive dyestuffs There are described water soluble azo compounds conforming to the formula (1) D--N.dbd.N--K (1) where D is a radical of the formula (2), (2a) or (2b) ##STR1## where Y is a substituent which is eliminable by alkali t... | 06/01/1993 |
| 5214070 | Diaryl ether cycloalkanes The invention concerns a diaryl ether cycloalkane of the formula I, or a pharmaceutically-acceptable salt thereof, ##STR1## wherein Ar1 is optionally substituted phenyl or naphthyl; X1 is oxy, thio, sulphinyl or sulphonyl; Ar | 05/25/1993 |
| 5214069 | 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... | 05/25/1993 |
| 5196536 | 2-Fluoro-1-methylpyridinium salt activated diols and polyols as cross-linkers A novel class of cross-linking agent, which comprises a monomeric organic compound having at least two hydroxyl groups each bonded to a different carbon atom, wherein said hydroxyl groups are activated by reaction with 2-fluoro-1-methylpyridinium toluene-... | 03/23/1993 |
| 5132423 | Method for conducting organic reactions using guanidinium salt as phase transfer catalyst Reactions between a solid polar and a non-polar compound, especially nucleophilic aromatic substitution reactions between an alkali metal salt of a hydroxyaromatic compound or thio analog thereof and an activated halo- or nitro-substituted aromatic compou... | 07/21/1992 |
| 5043268 | Substrates and inhibitors for prenyl cysteine methyltransferase enzymes Compounds of the formula: ##STR1## in which: R1 is alkyl of 1 to 3 carbon atoms; R2 is --COX; wherein X is hydroxy, methyl, amino, thio, H--N--(alkyl of 1 to 3 carbon atoms), N--(alkyl of 1 to 3 carbon atoms)2, or hal... | 08/27/1991 |
| 5017718 | Process for preparing polyfluoroalkyl-substituted compounds A process for preparing a perfluoroalkyl-substituted compound is disclosed. The process comprises reacting a halopolyfluoroalkane having 1 to 20 carbon atoms with a compound selected from the group consisting of (1) a substituted or unsubstituted ethylene... | 05/21/1991 |
| 5008430 | Mercaptopyrenes, preparation thereof and use thereof for the preparation of charge transfer complexes The invention relates to mercaptopyrenes of the formula ##STR1## in which n denotes a whole number from 3 to 10 and R stands for a substitute or unsubstituted alkyl, alkenyl, alkynyl, cycloalkyl, aralkyl or aryl radical to a process for its preparation, i... | 04/16/1991 |
