U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Quotables

"What can be more palpably absurd than the prospect held out of locomotives traveling twice as fast as stagecoaches?"

The Quarterly Review ; March edition, 1825

Newsletter  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.

 

Class 568/584 - Ether oxygen bonded directly to benzene ring


Subclass of Class 568 - Organic compounds -- part of the class 532-570 series
Definition: Compounds which contain at least one benzene ring having
No. of patents: 78
Last issue date: 01/02/2007


1    
NumberTitleIssue Date
7157419Growth 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
7115743Metabolites of ecteinascidin 743
The purification and structure elucidation of several products of the metabolism of Et 743 by human cytochrome CYP3A4 have been accomplished. These compounds are abbreviated herein as “ETM” followed by a numeric value which represents the approximate molecular w...
10/03/2006
7011925Three-dimensional optical memory
The present invention is directed to a three-dimensional memory apparatus for storing information in a volume comprising of an active medium. The active medium is capable of changing from a first to a second isomeric form as a response to radiation of a light beam h...
03/14/2006
6867334Metabolites of ecteinascidin 743 formed by human cytochrome CYP3A4
The purification and structure elucidation of several products of the metabolism of Et 743 by human cytochrome CYP3A4 have been accomplished. These compounds are abbreviated herein as “ETM” followed by a numeric value which represents the approximate molecular w...
03/15/2005
6462044Nitrosated and nitrosylated phosphodiesterase inhibitors, compositions and methods of use
The present invention describes novel nitrosated and/or nitrosylated phosphodiesterase inhibitors, and novel compositions containing at least one nitrosated and/or nitrosylated phosphodiesterase inhibitor, and, optionally, one or more compounds that donat...
10/08/2002
6451904Preparing sterile articles from polymers containing a stabilizer based on a poly (oxyalkylene)
Novel polymer stabilizers are disclosed. The novel stabilizers have the general formula (R)q Sn-(MR"-OCH2 -R'CH]m -OT)4-q, P-[(OCH2 -R'CH)m OT]3' ##STR1## wherein M is O or S and...
09/17/2002
6379590Method 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
6331543Nitrosated and nitrosylated phosphodiesterase inhibitors, compositions and methods of use
The present invention describes novel nitrosated and/or nitrosylated phosphodiesterase inhibitors, and novel compositions containing at least one nitrosated and/or nitrosylated phosphodiesterase inhibitor, and, optionally, one or more compounds that donat...
12/18/2001
6284894Preparation of allylic aromatic compounds
A process for the preparation of an allylic aromatic compound in which an aromatic amine is reacted first with a nitrite and then with an allylic olefin having an eliminatable terminal substituent. Novel allylic derivatives of disubstituted benzene compou...
09/04/2001
6281393Polyols useful for preparing water blown rigid polyurethane foam
Mannich polyols having a viscosity of from 300 to 3,500 cps (0.3 to 3.5 Pa*s) at 25° C. are prepared by admixing a phenol, an alkanolamines, and formaldehyde mixed in molar ratios of from 1:1:1 to 1:2.2:2.2 resulting in an initiator which can be alkoxyla...
08/28/2001
6277897Photoinitiators and applications therefor
The present invention is directed to new, energy-efficient photoinitiators in the form of ଱-amino enol ether compounds. The present invention is also directed to a method of generating reactive species, which includes exposing one or more photoiniti...
08/21/2001
6274775Process for the preparation of nitrosobenzenes
The invention relates to a process for the preparation of nitrosobenzene from aromatic amines by oxidation with hydrogen peroxide in the presence of a catalyst based on compounds of tungsten and/or molybdenum without the addition of the organic solvents c...
08/14/2001
6198007Process 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
5998636Carbamate herbicides
Substituted N-phenyl- and N-heteroarylalkylcarbamates of the formula I ##STR1## in which Q is a group ##STR2## R is halogen, trifluoromethyl, cyano, nitro or C1 -C3 haloalkoxy; Z is hydrogen or halogen; or Z and R together ...
12/07/1999
5831114Carbamate herbicides
Substituted N-phenyl- and N-heteroarylalkylcarbamates of formula (I), in which Q is a group (1), (2) or (3); R is halogen, trifluoromethyl, cyano, nitro or C1 -C3 haloalkoxy; Z is hydrogen or halogen; or Z and R together in the 2- an...
11/03/1998
5602283Multi-stage process for preparing N-alkyl-3,4-dialkyl-2,6-dinitroanilines
A multistage process of preparing N-alkyl-3,4-dialkyl-2,6-dinitroanilines starts from 3,4-dialkyl phenol and goes through the stages of 3,4-dialkyl-2,6-dinitrophenol and 3,4-dialkyl-2,6-ditro alkoxybenzene, wherein the latter are new compounds....
02/11/1997
5474716Process for the preparation of bridged cyclopentadienylmagnesium compounds and use thereof for preparing metallocenes
Disclosed are processes for the preparation of new bridged cyclopentadienylmagnesium compounds of the general formula Q(CpRa)(Cp'R'a ')Mg, and the use thereof for preparing bridged metallocenes....
12/12/1995
5475148Process and intermediate to prepare N-alkyl-3,4-dialkyl-2,6-dinitro-anilines
The intermediate ##STR1## wherein R is a lower alkyl group, is used to prepare a N-alkyl-3,4-dialkyl-2,6,-dinitro-aniline in a relatively simple, inexpensive and safe fashion, and with a high yield....
12/12/1995
5453221Bridged cyclopentadienylmagnesium compounds and use thereof for preparing metallocenes
Disclosed are new bridged cyclopentadienylmagnesium compounds of the general formula Q(CpRa) (Cp'R'a')Mg, processes for the preparation thereof, and the use thereof for preparing bridged metallocenes....
09/26/1995
5446186Structure 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
5434304Process for preparing formoterol and related compounds
The present invention is directed to a process for preparing formoterol and related compounds and derivatives thereof and their pharmacologically and pharmaceutically acceptable fumarate salts and/or solvates. The present invention is also directed to cer...
07/18/1995
5393776Tocotrienol 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
5387718Method of manufacturing alkylphenyl alkyl ethers or alkylphenyl alkyl thioethers
Alkylphenyl alkyl ethers or alkylphenyl alkyl thioethers, of the formula ##STR1## where U represents O or S; and R1 -R6 each independently represent an alkyl or aryl group with 1-6 C atoms, but R1 -R5 may e...
02/07/1995
5382702Process for the production of 5-alkoxy-2,4-dinitro-alkylbenzenes
Process for producing 5-alkoxy-2,4-dinitroalkylbenzenes of the general formula (I) ##STR1## R1 =C1 to C4 alkyl; R=C1 to C6 alkyl group, C2 to C4 hydroxyalkyl, C3 ...
01/17/1995
53470503-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
5281742Bis(fluorophenyl) carbonate derivatives
Disclosed are fluorobenzene derivatives, which are important intermediates for producing herbicidal oxazolidinedione derivatives, and methods of producing them. The fluorobenzene derivatives include compounds of a formula (11): ##STR1## where X ...
01/25/1994
5258544Synthesis of aldehydes useful in the preparations of HMG-CoA reductase inhibitors
Disclosed is a process for the preparation of 2-aryl-1-cyclohexene-1-carboxaldehydes from 1-arylcyclohexenes which are intermediates for trans-6-[(2-arylsubstituted cycloalkenyl and substituted cycloalkyl)alkenyl and alkyl]-3,4,5,6-tetrahydro-2H-pyran-2-o...
11/02/1993
5136114Process for the preparation of geminal diarylalkanes, new geminal diarylalkanes and alk(en)ylated aromatic compounds
The invention relates to a new process for the preparation of geminal diarylalkanes of the formula ##STR1## by Friedel-Crafts alkylation of aromatic compounds with specific aliphatic halogen compounds (addition compounds of CCl4 , to ...
08/04/1992
4987266Process for the manufacture of nitrophenetole
A process is provided for producing nitrophenetole where nitrochlorobenzene is reacted in a cosolvent of a monohydric alcohol and N-alkylpyrrolidone with aqueous alkali metal hydroxide....
01/22/1991
4963576Dithioacetal compounds, processes for preparation thereof and pharmaceutical composition comprising the same
The invention relates to dithioacetal compounds having 5-lipoxygenase-inhibiting activity, of the formula: ##STR1## wherein R1 is lower alkyl, di-(lower)alkylamino, aryl, or heterocyclic group which may have one or more substituents select...
10/16/1990
4960950Formation of nitrophenyl ethers from polyols and nitroanisoles
Disclosed is a novel process for effecting an ether interchange reaction by heating together in the presence of a basic catalyst, a nitroaromatic ether or thioether and an organic compound containing at least one hydroxyl or mercapto group. The novelty re...
10/02/1990
4954657Process for the preparation of o-nitrophenetole
A process for the preparation of o-nitrophenetole by allowing about 1.05 to about 1.4 mole of ethanol to act on 1 mole of o-nitrochlorobenzene in the presence of a phase-transfer catalyst in approximately 40 to approximately 70 percent by weight alkali me...
09/04/1990
4948794Cycloalkyl or benzyl-6-substituted-quinoxalinediones
Heterocyclic dihydroxyquinoxaline compounds having the formula ##STR1## wherein R1 is C1-12 -alkyl, which may optionally be substituted by hydroxy, formyl, carboxy, carboxylic esters, amides or amines, C3-8 -cycloalky...
08/14/1990
4876376Process for the halogenation, nitration and fluorination of aromatic derivatives
A process for the halogenation (bromination or chlorination)/nitration/fluorination of aromatic derivatives substituted by at least one group containing a halogenoalkyl unit. The aromatic derivative is reacted with a halogen and a nitrating agent in liqui...
10/24/1989
4847426Process for the preparation of 2,4-dinitrophenyl ethers
A process for the preparation of 2,4-dinitrophenyl ethers of the general formula (1) ##STR1## in which R denotes an alkyl(C1 -C6) or alkoxy(C1 -C4)alky(C1 -C4) group by reacting 1 mole...
07/11/1989
4782190Process for the preparation of 4-nitrophenetol
4-Nitrophenetol is prepared by reaction of 4-chloronitrobenzene with ethanol and alkali metal hydroxides in the presence of phase-transfer catalysts by carrying out the reaction at temperatures from 60° to 95° C. and under pressure in the presence of ox...
11/01/1988
4613682Ether synthesis
The vapor phase reaction of phenolic compounds with organic halides to form aromatic ethers is catalyzed by metal oxides. The halide value of the organic halide is retained as hydrogen halide which can be reacted with a halide acceptor such as methanol to...
09/23/1986
4605745N-neopentyl-4-diorganoamino pyridinium compounds
A method is provided for making aromatic ethers by effecting the displacement of reactive radicals on an activated aromatic nucleus such as a phthalimide with a mono or bisalkali metal phenoxide in the presence of an organic solvent and a dialkylamino bra...
08/12/1986
4595763Process for preparing methyl ethers or thioethers of aryl compounds
Aromatic hydroxyl- or thiol-containing compounds are methylated by contacting with methyl trichloroacetate at elevated temperatures in the presence of an initiator....
06/17/1986
4537999Process for a production of dinitrophenyl ethers
A process for the production of dinitrophenyl ethers having the general formula [III]: ##STR1## wherein, one of R1 and R2 is a nitro radical, and the other is a hydrogen atom or a straight-chain, branched-chain or cyclic, satura...
08/27/1985
1    
 
Sign InRegister
Username  
Password   
forgot password?