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

Icon_funbox Quotables

"This is the patent age of new inventions for killing bodies, and for saving souls. All propagated with the best intentions."

Lord Byron ;

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 534/738 - Acyclic chain which contains -CH=N- (substitution may be made for hydrogen only)


Subclass of Class 534 - Organic compounds -- part of the class 532-570 series
Definition: Compounds in which an acyclic chain contains a -CH=N
No. of patents: 95
Last issue date: 07/29/2008


1      
NumberTitleIssue Date
7405280Chromogenic substances and use thereof for the determination of carboxypeptidase activities
The invention relates to chromogenic compounds and the use thereof for the determination of enzymes of the family of carboxypeptidases N and carboxypeptidases U. The above is more specifically a compound of formula (I) in which A=(1), (2), (3), (4) or (5), R1, R2=H,...
07/29/2008
7186748N-phenylpyrrole guanidine derivatives as melanocortin receptor ligands
The present invention provides novel compounds of the general Formula (I) as ligands to the melanocortin receptors and/or for treatment of disorders in the melanocortin system: wherein X is (CH2)n...
03/06/2007
6492502Azo compounds, use in dyeing, compositions containing them and dyeing processes
Azo compounds of the 2-(4-amino)phenyldiazinecarboximidamide type and 2-(4-amino)phenylhydrazinecarboximidamide type, a process for their synthesis, their use for dyeing keratin fibers, dye compositions containing them, and dyeing processes....
12/10/2002
6407219Process for preparing azoiminoethers and azocarboxylic acid esters and novel azocboxylic acid mixed esters
The invention concerns a method for preparing an azoiminoether hydrochloride which consists in reacting an azonitrile with an alcohol and hydrochloric acid in an aromatic solvent, wherein the molar ratio R=HCl/azonitrile is >2 when the alcohol is methanol...
06/18/2002
6221535Photorefractive composite
A photorefractive composite comprises a charge transport matrix and an electrooptic dye having an aliphatic group of four or more carbon atoms....
04/24/2001
5834603Polymerization initiator composition
A polymerization initiator composition, comprising an azobisamidine salt represented by the general formula (1) ##STR1## wherein R1 and R2 independently represent an alkyl group or a cycloalkyl group, providing that R1
11/10/1998
5650498Water-soluble azo compound in the form of granules having a spherical shape and process for producing the same
The present invention provides a process for producing a spherical granule of a water-soluble azo compound, which comprises dispersing a water-soluble azo compound in a water-insoluble solvent and then add dropwise water or a hydrophilic solvent dissolvin...
07/22/1997
5569749Organic photoconductive material and a photosensitive material for electronic photography using it
An organic photoconductive material is represented by the following general formula [1]: A1 --N.dbd.N--B--N.dbd.N--A2 [1], wherein B is a divalent organic group bonded to nitrogen atoms forming azo groups, A1
10/29/1996
5554735Azo oxime ethers and their use as fungicides
Azo oxime ethers of formula (I), in which X is CH or N, R1 is hydrogen, C1 -C3 alkyl, trifluoromethyl or cylclopopy and R2 is aryl or heteroaryl, have an activity against phytopathogenic fungi. They can be used ...
09/10/1996
5506346Organic photoconductive material and a photosensitive material for electronic photography using it
An organic photoconductive material is represented by the following general formula [1]: A1 -N.dbd.N-B-N.dbd.N-A2 [1], wherein B is a divalent organic group bonded to nitrogen atoms forming azo groups, A1
04/09/1996
5308869Substituted amidines having high binding to the sigma receptor and the use thereof
N,N'-disubstituted-amidines, e.g., of the formula ##STR1## wherein R, R' and R" are substituted or unsubstituted hydrocarbon and/or heterocyclic groups. Methods are provided for the treatment or prophylaxis of anxiety in an animal, for treating psych...
05/03/1994
5302704Azodyes containing a sulfoacetoacetic acid anilide coupling component
Dyes of formula ##STR1## wherein D is the radical of a diazo component of the benzene or naphthalene series or of the heterocyclic series, R1 is hydrogen or C1 -C4 alkyl and R2 is phenyl or substituted phen...
04/12/1994
5145952Thiopheneazo dyes with a coupling component based on M-phenylenediamine
Thiopheneazo dyes of the formula ##STR1## where X is cyano or C1 -C4 -alkoxycarbonyl, Y is halogen, hydroxyl, mercapto, substituted or unsubstituted C1 -C6 -alkoxy, C5 -C7 -cycloalkoxy, sub...
09/08/1992
5132411Azo compounds having 2,4-disubstituted-3-halothienyl-5-diazo component radicals, dyeing processes therewith and substrates dyed therewith
Compounds of the formula ##STR1## wherein R is halo, R1 is cyano; (C1-6 alkoxy)carbonyl; (C3-6 alkenyl)oxycarbonyl; C1-4 alkylsulfonyl; phenylsulfonyl; (C1-4 alkyl)carbonyl; benzoyl; carbamoyl; (...
07/21/1992
4956255Photosensitive member
The present invention relates to a photosensitive member containing a specific azo compound represented by the following general formula [I]; ##STR1## wherein A is a bivalent group of a condensed poly-cyclic ring which may have a substituent, a pyrid...
09/11/1990
4950742Process for producing azoimino ethers by oxidation of hydiazonitriles
An azoimino ether, which is an intermediate for preparing polymerization initiators, is prepared by reacting a hydrazonitrile having a hydrazo group and at least one cyano group in the molecule with chlorine in the presence of an alcohol, in a non-aqueous...
08/21/1990
4942225Preparation of diazo and azo compounds using azidoformamidium salts
Preparation of diazo compounds by transfer of diazo groups to activated methylene compounds, characterized in that an azidoformamidinium salt is used as the diazo group transferring agent, and also preparation of azo compounds by this route....
07/17/1990
4939053Photosensitive member including azo compound
The present invention relates to a photosensitive member containing a specific azo compound for a charge generating agent, which is improved in photosensitive properties, in particular, sensitivity. The specific azo compound is represented by the formula ...
07/03/1990
4916216Process for granulating azobisamidine salts using an aqueous binder
Granules of azobisamidine salt can be produced by granulating a powder of azobisamidine salt using a limited amount of water or a mixture of water and a water-soluble organic solvent such as methanol are convenient in handling without deteriorating the qu...
04/10/1990
4908437Thien-2-one compounds with an alkylidene or imino group in the 5-position of the ring
The invention relates to novel thienone compounds useful in dyeing fibers, of the formula: ##STR1## where R1 is cyano, C1 -C4 -alkoxycarbonyl, carbamoyl or C1 -C4 -monoalkylcarbamoyl or -dialkylc...
03/13/1990
4904777Mono azo dyes containing as diazo radical a thiophene radical which possesses an oxime group
A thiophene-containing azo dye of the formula ##STR1## where R is substituted or unsubstituted alkyl, alkenyl, cycloalkyl or phenyl, X is hydrogen, halogen, hydroxyl, unsubstituted or substituted alkoxy, cycloalkoxy, phenoxy, mercapto, alkylthio, phe...
02/27/1990
4882249Tetrakisazo photoconductive composition and electrophotographic photoreceptor using the same
Disclosed are a photoconductive composition containing a new tetrakisazo compound of the following formula (1) and an electrophotographic photoreceptor having a photosensitive layer which contains the tetrakisazo compound of the formula (1): ##STR1##...
11/21/1989
4865990Protein adsorbent including a colored compound containing a quaternary ammonium especially amidinium or guanidimium cationic group and a cellulose reactive group
A colored compound containing a cationic group and a cellulose reactive group, especially a compound of the formula: wherein A is the cationic group; Y is a chromophore; Y' is a cationic chromophore and B is the reactive group, which is suitable for the preparation...
09/12/1989
4846879Phenylsulphonylisourea herbicides
Herbicidally active compounds of the formula ##STR1## in which R1 represents halogen, cyano or C1 -C6 -alkyl (which is optionally substituted by fluorine, chlorine, bromine, cyano, C1 -C4 -alkoxy...
07/11/1989
4843153Azo dyes containing thienothiophene radicals as radicals of the diazo component
Thienothiophene dyes of the formula ##STR1## wherein Z is carboxylate, acyl, carboxyl, substituted or unsubstituted carbamoyl, cyano or nitro, X is hydrogen, fluorine, chlorine, bromine, Z or a group of the formula ##STR2## T1 an...
06/27/1989
4833235Sulfo group-containing disaz compounds having a heterocyclic coupling component radical
Disazo compounds of the formula ##STR1## and salt thereof, D is the radical of a diazo component of the benzene or naphthalene series. K is the radical of a heterocyclic coupling component of the aminopyrazole-, pyridone- or barbituric acid-series, n...
05/23/1989
4804747Azo compound having one or two aliphatic or cycloaliphatic groups containing a total of 8 to 40 carbon atoms therein
(i) A compound of the formula: ##STR1## wherein R is H, a metal or a group containing a tetravalent N atom; X is S, O, ##STR2## R1 is NO2, CN or COOY; Y is H, C1-4 -alkyl, a metal or a group containing a tetraval...
02/14/1989
4775747Copper or nickel complexes of ligands containing an azomethine, semicarbozone or hydrazone moiety
Transition metal complexes of the compounds of the formulae I and II ##STR1## in which A is an isocylic or heterocyclic aromatic radical, R is --H, halogen, C1 -C4 -alkyl or C1 -C4 -alkoxy, R1 is ...
10/04/1988
4767844Azo lake pigments
An azo lake pigment is obtained by coupling an aromatic diazo component having a sulfonic acid group with a mixture of 2-hydroxy-3-naphthoic acid and a 2-hydroxy-3-naphthoic acid derivative represented by formula [I] ##STR1## wherein R represents a h...
08/30/1988
4760003Electrophotographic photosensitive member containing disazo compound
An electrophotographic photosensitive member comprises a photosensitive layer on a substrate, said photosensitive layer comprising a disazo pigment represented by the formula (1)....
07/26/1988
4734218Dichroic azo dyestuffs and liquid crystal composition containing said dyestuffs
Provided are novel dichroic azo dyestuffs, which contain skeletons represented by the following general formula: ##STR1## at one terminals of the long axes of the molecules of the azo dyestuffs, and liquid crystal compositions containing the dichroic...
03/29/1988
4716220Disazo compounds with xanthone nucleus for electrophotography
The present invention provides a tetrazoneum salt compound represented by the general formula (I): ##STR1## (wherein, X stands for an anion functional group); a disazo compound represented by the general formula (II): ##STR2## wherein, A s...
12/29/1987
4703113Water-soluble triazine black dyes free from cellulose reactive groups and suitable for use in inks
A water-soluble dye, free from cellulose reactive groups, of the formula: ##STR1## wherein R1 is --(Ca H2a O)m (Cb H2b O)n H, R2 is H or --(Ca H2a
10/27/1987
4680385Metal dye complexes containing an azo or azomethine dye and a colorless ligand with the C.dbd.N--N.dbd.C group
Metal complex dyes that produce level, fast dyeings on textile materials are provided according to the formula ##STR1## wherein: D is a benzene, naphthalene or heterocyclic radical of a diazo component; Y is nitrogen or --CH; K is the radical of a co...
07/14/1987
4678851Metal dye complexes containing an azo or azomethine dye and a colorless ligand with the C.dbd.N--N.dbd.C group
Metal complex dyes that produce level, fast dyeings on textile materials are provided according to the formula ##STR1## wherein: D is a benzene, naphthalene or heterocyclic radical of a diazo component; Y is nitrogen or --CH; K is the radical of a co...
07/07/1987
4672149Photoelectric transducer element
The present invention relates to a photoelectric transducer element comprising a light-transmissive front electrode, a photo-active layer and a back electrode, characterized in that said photo-active layer contains an azo compound expressed by the general...
06/09/1987
4670486Polymer composition pigmented with copper or nickel complexes of ligands containing a semicarbazone moiety
High molecular weight organic material is effectively colored by the incorporation therein of a copper or nickel complex of the ligand compound of formula I ##STR1## wherein A is an isocyclic or heterocyclic aromatic moiety, R is H, halogen, low...
06/02/1987
4666805Photosensitive material containing disazo compound for use in electrophotography
The present invention relates to a novel disazo compound having the following general formula (I), ##STR1## wherein A represents ##STR2## (wherein R represents an alkyl, alkoxy, nitro, halogen, cyano or halomethyl group; n represents an int...
05/19/1987
4665163Diaryl pigments with improved heat stability obtained by coupling bis-diazotized diamines with acetoacetanilides
Diaryl pigments having an excellent stability to heat are obtained by carrying out the coupling of bis-diazotized 3,3'-dichloro-4,4'-diaminobiphenyl with acetoacetanilides in the presence of an added quantity of acetoacetanilides which are monosubstituted...
05/12/1987
4663442Disazo triphenylamine compounds
A disazo compound, having the general formula, ##STR1## wherein Y represents a substituted or non-substituted cyclic hydrocarbon or substituted or non-substituted heterocycle; R represents hydrogen, substituted or non-substituted alkyl group, or subs...
05/05/1987
1      
 
Sign InRegister
Username  
Password   
forgot password?