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Class 568/640 - Plural benzene rings bonded directly to the same carbon


Subclass of Class 568 - Organic compounds -- part of the class 532-570 series
Definition: Compounds wherein two or more benzene rings are bonded directly
No. of patents: 111
Last issue date: 05/13/2008


1      
NumberTitleIssue Date
7371887Oligo(p-phenylene vinylene) amphiphiles and methods for self-assembly
Amphiphilic oligo(p-phenylene vinylene) compounds and methods of use en route to self-assembled composites and device fabrication. ...
05/13/2008
7193019Process for the production of vinyl compound
A process for the production of a vinyl compound of the formula (1), which process comprises reacting a bifunctional phenylene ether oligomer of the formula (2) with a vinylbenzyl halide ...
03/20/2007
7173157Method for producing an allyl compound
An allyl compound having a formula different from that of an allyl starting compound is prepared by a process of reacting the allyl starting compound with a nucleophilic agent in the presence of a catalyst containing at least one transition metal compound containing...
02/06/2007
7122708High-functionality polyether polyols and preparation thereof
The invention relates to high-functionality polyether polyols of the general formula where each R′1 is an unsubstituted or substituted aliphatic or aromatic radical and each R′2 is an un...
10/17/2006
6864397Difluoromethyl ether derivative and process for producing the same
The present invention provides a process for producing a difluoromethyl ether derivative simple and efficient process for producing the difluoromethyl ether derivative represented by Formula (1d′) or a difluoromethyl ether derivative represented by Formula (1c′)...
03/08/2005
6806395Process for preparation of 3,5-bisalkylphenols
A process for producing a 3,5-bisalkylphenol (2) according to the following reaction scheme: (wherein R1 represents a hydrogen atom, an alkali metal atom, an alkaline earth metal atom, or a hydroxyl-protecti...
10/19/2004
6790868Non-halogenated phenoxy and/or benzyloxy substituted phenols, antimicrobial compositions containing the same, and methods of using the same
Antimicrobial compounds, compositions containing the same, and methods of using of the same for reducing the presence of microorganisms on a substrate or in a fluid environment comprising an antimicrobial effective carrier and at least one antimicrobial compounds in...
09/14/2004
6767923Benzhydryl derivatives
Benzhydryl derivatives of the formula I, where the index and the variables are as defined below: X is oxygen or sulfur; R1, R3 are halogen, cyano, nitro, hydroxyl, mercapto, amino, alk...
07/27/2004
6670512Substituted tetraarylethylene compounds
The present invention seeks to provide novel tetraarylethylene compounds which are substituted on the aryl rings ortho to the ethylenic carbon atoms and processes for the preparation for such compounds. The compounds have potential use as molecular templa...
12/30/2003
6541673Process for oxyalkylating phenolic compounds
Phenolic polyether polyols are prepared by a two stage oxyalkylation process, a first stage performed at a high oxyalkylation temperature and a second stage at a lower oxyalkylation temperature. Despite the use of high temperature during oxyalkylation, po...
04/01/2003
6281250Retinyl ethers, derivatives and analogues and inhibition of breast carcinogenesis
The present invention is directed to retinyl ethers, derivatives and analogues and their use in inhibiting breast carcinogenesis or breast cancer cell growth....
08/28/2001
6211416Method for producing enol ethers
Enol ethers of the formula I ##STR1## where R1 is an aliphatic, cycloaliphatic, araliphatic, aromatic or heterocyclic radical which may carry further substituents which do not react with acetylenes or allenes, and the radicals R, independently ...
04/03/2001
6207835Process for the preparation of arylmetal compounds and their reaction with electrophilic reagents
Arylmetal compounds are prepared by deprotonation of aromatics which have a hydrogen atom in the ortho position relative to a halogen atom or a trifluoromethoxy group, using a suitable base or by halogen-metal exchange of haloaromatics using a suitable me...
03/27/2001
6093517Calixarenes for use as dissolution inhibitors in lithographic photoresist compositions
A lithographic photoresist composition is provided containing novel calixarene compounds, particularly calix[4]resorcinarenes that are partially or wholly protected with acid-labile functionalities, as dissolution inhibitors. Also provided is a process fo...
07/25/2000
5780403Ash-free detergents their preparation and use in lubricating oil compositions
A compound comprised of a moiety derived from an organic nitrogen-containing base and a calixarene moiety in which the hydroxyl substituent (or substituents) is (are) substituted by oligoether chains. Typically, the compounds are complexes of the formula ...
07/14/1998
5618984Phenol aralkyl resins, preparation process thereof and epoxy resin compositions
An allyletherificated phenol aralkyl resin is obtained through the reaction of a phenol aralkyl resin with an allyl halide in the presence of a base in an organic solvent at room temperature to 100° C. and changed into an allylated phenol aralkyl resin a...
04/08/1997
5510540Polyfunctional vinyl ether compound and photoresist resin composition containing the same
A polyfunctional vinyl ether compound represented by formula (I): ##STR1## wherein n, which is an average repeating number, represents a number of from 0 to 20; R1 and R2 each independently represents a hydrogen atom, a halogen ...
04/23/1996
5493050Diphenyl dialkyl methane surfactants
In one embodiment, the present invention relates to novel two tail--two head and two tail--one head surfactants. In one embodiment, the present invention comprises a novel composition of matter having the general formula: ##STR1## wherein R1 and...
02/20/1996
5463133Phenethyl 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
5386058Method of producing polymethine dyes
A method for producing polymethine dyes comprising the steps of: (a) reacting a 1,1-diaryl-2-metallo-ethene with an ω, ω,-diaryl-polyalkene-aldehyde in an anhydrous solvent under an inert atmosphere; and (b) neutralizing the reaction mixture from step (a) wi...
01/31/1995
5362822Mesogenic adducts
An adduct is prepared by reacting (A) a compound containing at least one epoxy group per molecule, with (B) a compound containing at least one epoxide reactive group per molecule selected from the group consisting of phenolic, thiol, secondary amine and c...
11/08/1994
5288923Preparation of ethers of diphenols
A process for the preparation of hydroxyalkyl ethers of diphenols is disclosed. Accordingly, aromatic polycarbonate resin is reacted with alkylene diol in the presence of a basic catalyst, at temperatures of 150° to 250° C. at a molar ratio of 514 10 mo...
02/22/1994
5258410Aromatic compounds, their production processes and their compositions for the control of insect pests
An aromatic compound of the formula ##STR1## , which is useful as an insect pest controlling agent....
11/02/1993
5250742Process for the production of propargyl ethers and new propargyl ethers
The invention relates to a process for the production of new propargyl ethers in the presence of iron as catalyst and to new propargyl ethers....
10/05/1993
5242996Modified epoxy resins having acetylenically unsaturated functions
A modified epoxy resin or compound of the formula: ##STR1## wherein A is the backbone reside of a glycidyl ether epoxy resin with removal of the glycidyloxy groups; R1 and R2 are independently a hydrogen atom or C1 -C...
09/07/1993
5243087Pyridine derivatives, their production processes and their compositions for the control of insect pests
A pyridine derivative of the formula: ##STR1## wherein R1 is, the same or different, each a hydrogen atom, a halogen atom, a C1 -C4 alkyl group, a C1 -C4 haloalkyl group, a C1 -C3...
09/07/1993
5235091Process for preparing diphenylmethane compounds
A diphenylmethane compound (III) can be produced in a good yield by allowing a phenol compound (I) to react with a stilbene compound (II) in the presence of methanesulfonic acid ##STR1##...
08/10/1993
5151531Dihydric phenols
Dihydric phenol suitable for the preparation of polycarbonates are represented by the following formula: ##STR1##...
09/29/1992
5132437Synthesis of 1-aminoanthraquinone
1-Aminoanthraquinone (1-AAQ) is synthesized by the reaction of 2-chlorobenzyl chloride and xylene in the presence of a solid acid catalyst to yield 2-chloro dimethyldiphenylmethane, subsequent oxidation of the methyl groups, ring closure to form a 1-chlor...
07/21/1992
5130435Preparation of vinyl ethers
Vinyl ethers of the formula ##STR1## wherein R1, R2 and R3 are identical to or different from one another, each being hydrogen, straight-chain or branched alkyl or alkenyl of up to 12 carbon atoms, cycloalkyl or cyclo...
07/14/1992
5091416Insecticidal compounds
Insecticidal and acaricidal compounds of formula: ##STR1## and stereoisomers thereof, where R1 represents C1-4 alkyl, R2 represents H, CN, CH3, or CF3 ; Q represents CH or N; and Z represents one...
02/25/1992
5070117Aromatic vinyl ether compounds and compositions, and method of making the same
An aromatic vinyl ether of the formula: ##STR1## wherein: R1, R2, R4, R5, R6, R8, R9, and R10 are independently selected from hydrogen, halogen, and C1...
12/03/1991
5068457Method for making hydroxy-terminated arylene ethers
A method for making hydroxy-terminated arylene ethers is provided by condensing an aromatic diol, such as hydroquinone with 4-fluoroacetophenone followed by a Baeyer-Villiger oxidation, and hydrolysis of the resulting diester....
11/26/1991
5059723Hydroxyalkylation of phenols or thiophenols with cyclic organic carbonates using triorganophosphine catalysts
This invention relates to the use of triorganophosphine compounds as catalyst for the reaction of phenols or thiophenols with cyclic organic carbonates....
10/22/1991
5012004Ether compounds and their production, and insecticidal and/or acaricidal compositions containing them
An insecticidal and/or acaricidal composition which comprises as an active ingredient an insecticidally and/or acaricidally effective amount of at least one ether compound of the formula: ##STR1## wherein X1 is a hydrogen atom, a halogen a...
04/30/1991
5004842Aromatic vinyl ether compounds and compositions, and method of making the same
An aromatic vinyl ether of the formula: ##STR1## wherein: R1, R2, R4, R5, R6, R8, R9, and R10 are independently selected from hydrogen, halogen, and C1...
04/02/1991
4999448Method of preparing bis-phenol ethers
A method of preparing a compound of Formula XII ##STR1## wherein R1 and R2 together represent the fragment --Ch2 CH2 --; each R4 independently represents C1 -C4 alkyl optionally ...
03/12/1991
4997989Tert-butylalkynols
Novel tert-butylalkynols of the formula (I) ##STR1## where Y is hydrogen, halogen, C1 -C4 -alkyl, C1 -C4 -alkoxy, C1 -C4 -haloalkyl, aryl, aryloxy or benzyl and m is an integer from 1 ...
03/05/1991
4987272Dipropargyl ether of alpha, alpha'-bis (4-hydroxypenyl)-paradiisopropylbenzene
Novel dipropargyl ether of alpha, alpha'-bis(4-hydroxyphenyl)-para-diisopropylbenzene is useful in preparing resins having desirable properties as laminates and the like....
01/22/1991
4954582Benzyloxy vinyl ethers
The invention relates to benzyloxy vinyl ethers having the structure ##STR1## wherein R1 is lower alkyl; p is an integer having a value of from 0 to 2; q is an integer having a value of from 1 to 20; r is an integer having a value of from 1 to 6; n ...
09/04/1990
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