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| Number | Title | Issue Date |
| 7405280 | Chromogenic 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 |
| 7351808 | Anionic monoazo dyes Anionic monoazo dyes of the formula (1) in which A represents 1- or 2-naphthyl residue, which is substituted by a total of one or two sulphonic and/or carboxylic acid groups. R1 represents hydrogen or C1-C4alkyl, each D1 a... | 04/01/2008 |
| 7282575 | Functional peptide nucleic acid monomer and process for producing the same A compound represented by the general formula (I) below: In the formula, A is as defined in the specification and B denotes where n is an integer of 1 to 4, ... | 10/16/2007 |
| 7101983 | Azo dyes The present invention relates to novel dyestuffs of formula (I) wherein the substituents have the meanings defined in the claims, the production of such dyestuffs, the use of these dyestuffs and material dyed or ... | 09/05/2006 |
| 6929688 | Monoazo dyes and their preparation and use Monoazo dyes of general formula (IV) wherein R1, R2, R3, X, M and n are as described in the specification, are excellent dyes for dyeing and printing of cellulose containing materials a... | 08/16/2005 |
| 6903082 | Methods of treating inflammatory conditions of the gastrointestinal tract using 4-APAA and compositions thereof Compounds are disclosed having the structure of Formula I: where R1, R3, and R4 are independently hydrogen or C1 to C4 alkyl, and R2 is: | 06/07/2005 |
| 6517620 | Mono-azo dyes and inks for ink-jet printing A mono-azo compound of Formula (1) and salts thereof: ##STR1## wherein A, G, L1, L2, and R1, are defined in the specification, have especially good light fastness and other advantageous properties. These dyes may be used i... | 02/11/2003 |
| 6514329 | Mono-azo dyes and inks for ink-jet printing A mono-azo compound of Formula (1) or a salt thereof: ##STR1## wherein: A is N, C--Cl, C--CN or C--NO2 ; R1 is H or optionally substituted alkyl; G is H, sulpho, carboxy, optionally substituted alkyl, optionally substituted alkoxy, --CF | 02/04/2003 |
| 6297362 | Azo dyes Compound of the formula (I) ##STR1## wherein R is hydrogen or optionally substituted C1 -C6 -alkyl, R1 is hydrogen or C1 -C6 -alkyl, R2 is hydrogen, optionally substituted C1 -C6 | 10/02/2001 |
| 6241789 | Process for dyeing or printing and novel reactive dyes Process for dyeing or printing paper, films of plastic or fibre material containing hydroxyl groups or containing nitrogen with reactive dyes, which comprises using at least one reactive dye of the formula (1) from the following group a) and at least one ... | 06/05/2001 |
| 6117987 | Alkyl or aryl substituted dihydronaphthalene derivatives having retinoid and/or retinoid antagonist like biological activity Compounds of the formula ##STR1## where the symbols have the meaning describedin the application, have retinoid-like or retinoid antagonist-like biological activity.... | 09/12/2000 |
| 6087070 | Photoactivatable nitrogen-containing bases based on -amino alkenes The invention relates to organic compounds having a molecular weight of less than 1000 comprising at least one structural unit of the formula (I) ##STR1## in which R1 is an aromatic or heteroaromatic radical which is capable of absorbing l... | 07/11/2000 |
| 5929215 | Basic monoazo compounds Compounds of Formula I ##STR1## wherein the substituents are as defined in the description, a process of manufacture thereof and a process of dyeing employing said compounds.... | 07/27/1999 |
| 5861426 | Nitro compounds of the formula A-Xi -NO2 and their compositions having anti-inflammatory, analgesic and anti-thrombotic activities New compounds and their compositions having anti-inflammatory, analgesic and anti-thrombotic activities, of the general formula: A--X1 --NO2 or their salts, wherein: A is R(COXu)t, wherein t is zero or 1 and u i... | 01/19/1999 |
| 5834604 | Photographic element containing a coupler capable of releasing a photograpically useful group through a pyrazole group A photographic element comprising a support having situated thereon at least one silver halide emulsion layer, the element further comprising a photographic coupler represented by the formula COUP--(T1)b --T2 --(T3) | 11/10/1998 |
| 5773594 | Alkyl or aryl substituted dihydronaphthalene derivatives having retinoid and/or retinoid antagonist-like biological activity Compounds of the formula ##STR1## where the symbols have the meaning described in the application, have retinoid-like or retinoid antagonist-like biological activity.... | 06/30/1998 |
| 5750661 | Basic dyes based on amides of J-acid (1-hydroxy-6-aminonaphthalene-3-sulfonic acid) and amides of J-acid Dyes of the formula ##STR1## where the ring A may be benzofused and R1 -R6 have the meaning defined in the specification, with the proviso that at least one quaternizable or quaternary group is present in the molecule; use of sa... | 05/12/1998 |
| 5717079 | Color-providing compounds There are described color-providing compounds having at least two cyclic 1,3-sulfur-nitrogen moieties and one complete dye or dye intermediate. The color-providing compound is stable in the photographic processing composition but capable of undergoing cle... | 02/10/1998 |
| 5571898 | Basic dyes based on amides of j-acid (1-hydroxy-6-aminonaphthalene-3-sulfonic acid) and amides of j-acid There are described dyes of the formula ##STR1## where the ring A may be benzofused, R1 is substituted or unsubstituted C1 -C13 -alkyl, substituted or unsubstituted phenyl, C1 -C8 -alkanoyl, subs... | 11/05/1996 |
| 5538666 | Conducting polymeric side-chain liquid crystals and an orientation layer using the same Conducting polymeric side chain liquid crystals are prepared by incoporating liquid crystalline compounds in a main chain selected from the group consisting of acetylene derivatives and thiophene derivatives. The liquid crystal has conductivity and liquid... | 07/23/1996 |
| 5466282 | Azo dye compound, ink containing the same, and recording method and instrument using the ink Disclosed herein is a monoazo dye compound having a structural unit represented by the following formula in its molecule: --X--Y--(R1)(R2)(R3)k [I] wherein Y is a 6-membered ring containing 2 or 3 nitroge... | 11/14/1995 |
| 5428138 | Red 2,6-dicyanophenylazo dyes and the preparation and use thereof The azo dyes of the formula I ##STR1## where X1 is for example hydrogen or (C1 to C6)alkyl, X2 is cyano or nitro, X3 is for example hydrogen or (C1 to C4)alkoxy, X4 is for ... | 06/27/1995 |
| 5278295 | Pyrrole monomer A pyrrole polymer membrane having electrical conductivity and liquid crystal properties in the same matrix. The starting pyrrole monomer derivative is illustrated by the formula ##STR1## where R1 and R2 are selected so that at l... | 01/11/1994 |
| 5241070 | Nucleophilic polysubstituted aryl acridinium esters and uses thereof This invention is directed to novel nucleophilic polysubstituted aryl acridinium esters and to novel conjugates thereof. The novel nucleophilic polysubstituted aryl acridinium esters and novel conjugates thereof are useful in biological assays, including ... | 08/31/1993 |
| 5227489 | Stable hydrophilic acridinium esters suitable for liposome encapsulation A method for the detection of an analyte in a fluid sample using liposomes encapsulating acridinium esters (lumisomes). Hydrophilic polysubstituted aryl acridinium esters are useful as chemiluminescent markers and can be encapsulated within liposome vesic... | 07/13/1993 |
| 5198444 | Methyl -(2-substituted)pyrid-3-yl-ଲ-methoxyacrylates, compositions containing them and their use as fungicides Fungicidal compounds of the formula (I): ##STR1## and stereoisomers thereof, wherein K is oxygen or sulphur; Z is optionally substituted aryl or optionally substituted heteroaryl; X is O, S(O)n, NR4, CR1 R2... | 03/30/1993 |
| 5106960 | Azo dyes and the production and use thereof The present invention relates to azo dyes of the formula ##STR1## wherein X is an aryloxy radical or an unsubstituted or substituted C1 -C12 alkyl radical, a cycloalkyl radical or an aryl radical or a group of the formula #... | 04/21/1992 |
| 5064637 | Substituted sulfonamide derivatives which inhibit allergic reactions The present invention involves intradermal, percutaneous, parenteral, or enteral administration of a newly synthesized compound to detect, reduce, or eliminate the occurrence of allergic reactions to sulfonamides. The new compound is a substituted sulfona... | 11/12/1991 |
| 5055567 | Disperse dyes which are convertible into a thermo-migration fast form The dyes according to the invention consist of a chromophore and a radical which, on heating, forms an isocyanate or isothiocyanate group. The latter reacts with a suitable group in the environment. Dyeings of excellent thermomigration fastness are obtain... | 10/08/1991 |
| 5006128 | Substituted 2,4-di[4'-(disulfonaphth-2"-ylazo)phenylamino]-6-amino-1,3,5-triazines Compounds of the formula ##STR1## and salts thereof, wherein R1 is hydrogen or methyl, R2 is hydrogen, methyl or acetamido, R3 is hydrogen, methyl or methoxy, R4 is hydrogen, C1-4 alkyl or hydroxy(C2-... | 04/09/1991 |
| 4988594 | Diazo photoconductor for electrophotography A photoconductor for electrophotography comprises an electroconductive substrate and a photoconductive layer formed on the substrate and including a novel disazo compound as a charge generating layer. The disazo compound is represented by the following ge... | 01/29/1991 |
| 4935499 | Cationic azo dyes with a 1-hydroxynaphthalene 3-sulfonic acid coupling component, useful for coloring paper Paper is colored by a process in which a compound which, in the form of the free acid, is of the formula I ##STR1## where, in each case independently of one another, A is unsubstituted or methyl substituted C1 -C6 -alkylene or v... | 06/19/1990 |
| 4931067 | Method or dyeing using phase change dyestuffs Method is set forth of dyeing a material comprising forming a solution having a basic salt of a water soluble dye of the formula: ##STR1## wherein n is 0 or 1; m is 0 or 1; m=1 when n=0; p=0 when m=1; p=1 when m=0; the subscripts 1 and 0 indicating, respe... | 06/05/1990 |
| 4920222 | Preparation of 3,3-diarylacrylic acid amides 3,3-Diarylacrylic acid amides are prepared by the reaction of a benzophenone with an acetamide in the presence of a base characterized in that a sodium alcoholate is used as the base.... | 04/24/1990 |
| 4880431 | Aryl monoazo pyridone yellow compound having two vinylsulfone type fiber reactive groups bonded to a triazine ring for dyeing cellulose or polyamide A monoazo compound of the following formula, ##STR1## wherein R1, R2 and R3 are independently hydrogen or alkyl, R4 is alkyl or carboxy, A is ##STR2## in which R5 is hydrogen, methyl, methox... | 11/14/1989 |
| 4861344 | Reactive water-soluble azo dyes containing carboxy- or carbamoyl-pydridinium groups for dyeing textiles Water-soluble azo compounds having useful fiber-reactive dye properties conforming to the general formula ##STR1## in which: A is phenylene which may be substituted or unsubstituted, or is a radical of the formula ##STR2## in which W is a ... | 08/29/1989 |
| 4840642 | Monoazo compounds having a 6-(5'-chloro-2',4'-difluoropyrimid-6'-ylamino)-1-hydroxy-3-sulfonaphthal ene group and their use as dyes Compounds of the formula ##STR1## and salts thereof, useful for dyeing and printing hydroxy group - or nitrogen-containing organic substrates, for example, leather and fibrous materials containing or consisting of natural or synthetic polyamides or ... | 06/20/1989 |
| 4678497 | Triazine-substituted herbicidal azobenzenesulfonamides Triazine-substituted azobenzenesulfonamides useful as preemergent and postemergent herbicides, selected from compounds of Formulae I or II ##STR1## or agriculturally suitable salts thereof, wherein R, R1, R2, R3 and A... | 07/07/1987 |
| 4664714 | Pigment composition A pigment composition consisting of 100 parts by weight of a pigment, and from 0.1 to 30 parts by weight of a pigment dispersant of formula ##STR1## in which Q is (a) an anthraquinone dye or pigment radical, (b) an azo dye or pigment radical, (c) a b... | 05/12/1987 |
| 4628083 | 2-hydroxy-5-(arylazo)-benzene alkanoic acids The invention relates to new arylazo compounds of the general formula ##STR1## wherein R1 and R2 independently of each other represent hydrogen or C1-3 alkyl, R3 represents hydrogen, halogen, C1-3 alk... | 12/09/1986 |
