Patents
Patents for C07C 245 - Compounds containing chains of at least two nitrogen atoms with at least one nitrogen-to-nitrogen multiple bond (2,015)
10/2003
10/02/2003WO2003079984A2 Substituted tetracycline compounds
10/02/2003WO2002094760A3 Process for the preparation of 7-substituted 3-alkyl-3h-isobenzofuran-1-one derivatives
10/02/2003US20030187266 Non-nucleoside reverse transcriptase inhibitors
10/02/2003US20030187235 Alkyl or aryl substituted dihydronaphthalene derivatives having retinoid and/or retinoid antagonist-like biological activity
10/02/2003US20030186448 Such as heat resistant diazomethyl compounds; kits for solid phase nucleic acid synthesis
09/2003
09/24/2003CN1444568A Processes for preparation of benzotriazole UV absorbers
09/23/2003US6624168 Bactericides, bacteriostats
09/18/2003WO2003062445A3 Real-time linear detection probes: sensitive 5'-minor groove binder-containing probes for pcr analysis
09/18/2003US20030176747 Process for the production of fluorinated organic compounds and fluorinating agents
09/18/2003US20030175728 Real-time linear detection probes: sensitive 5'-minor groove binder-containing probes for PCR analysis
09/17/2003EP1344525A1 Aniline derivatives or salts thereof and cytokine production inhibitors containing the same
09/17/2003CN1121379C Synthesis and use of retinene derivative having negative hormone and/or antagonist activities
09/16/2003US6620920 Anisotropic polymers having branchings which can absorb electromagnetic waves, used for optical signal processing; birefringence
09/11/2003US20030170381 Piezoelectric element and process for production thereof
09/10/2003CN1441776A Novel aryl, alkenyl and alkynl 4-dedimethylamino tetracycline derivatives
09/09/2003CA2083313C Colorimetric methods and reagents for the assay of calcium in a test sample
08/2003
08/28/2003US20030162993 Diazoketone derivatives useful for preparing compounds that are caspase inhibitors
08/14/2003WO2003019145A3 Non-fluorescent quencher compounds and biomolecular assays
08/13/2003CN1436159A Processes for production of fluorinated organic compounds and fluorinating agent
08/12/2003US6605727 Processes for the preparation of benzotriazole UV absorbers
08/06/2003CN1434027A Azo structure contained fluorine-aromatic diamine and preparation process and use thereof
08/05/2003US6602987 4'-hydroxyazobenzene-2-carboxylic acid (HABA) compounds; useful as reagents for labeling, isolation and detection of biological molecules
07/2003
07/31/2003WO2003062445A2 Real-time linear detection probes: sensitive 5'-minor groove binder-containing probes for pcr analysis
07/31/2003CA2473960A1 Real-time linear detection probes: sensitive 5'-minor groove binder-containing probes for pcr analysis
07/30/2003CN1116252C Water-saving production process of dinitrodiazophenol without powder dust
07/24/2003WO2003059867A1 Azo compounds for emulsion polymerization
07/24/2003US20030138374 A radioactive labeled compounds for diagnosing Alzheimer's disease
07/10/2003US20030130524 Diazotizing a 5-perfluoroalkyl-o-nitroaniline with sulfuric acid and alkali metal nitrite or nitrosylsulfuric acid; coupling with a phenol; and reducing the monoazobenzene intermediate to the corresponding 2H-benzotriazole
07/09/2003EP0665897B1 Complex combinatorial chemical libraries encoded with tags
07/08/2003US6589452 Polyerized crystalline colloid array
06/2003
06/26/2003US20030120083 Diazotizing perfluoroalkyl-o-nitroaniline with sulfuric acid and sodium nitrite, coupling with phenol to form monoazo-benzene, reducing to form compound such as 5-trifluoromethyl-2-(2-hydroxy-3-a-cumyl-5-tert-octylphenyl)-2H -benzotriazole
06/26/2003US20030118877 New electrode materials derived from polyquinonic ionic compounds and their use in electrochemical generators
06/25/2003CN1426391A Polyamine analogues as cytotoxic agents
06/24/2003US6583128 Immunoregulatory compounds and derivatives and methods of treating diseases therewith
06/12/2003WO2003048257A1 Organic solvent-free process for the preparation of 2-(2-nitrophenylazo)phenols
06/12/2003CA2465398A1 Organic solvent-free process for the preparation of 2-(2-nitrophenylazo)phenols
06/11/2003EP1317411A1 Derivatives of naphthalene with comt inhibiting activity
05/2003
05/28/2003EP1313697A2 Immunoregulatory compounds, derivatives thereof and their use
05/28/2003EP1104399B1 Process for preparing 3,5-difluoroaniline
05/27/2003US6569504 Mesogenic materials with anomalous birefringence dispersion and high second order susceptibility (X(2))
05/22/2003WO2003042169A2 Process for synthesizing aspartic and glutamic acid derivatives and diazoketone intermediates thereof
05/22/2003US20030096254 Enhancing resonance ability of oligonuclotide probes for use in hybridization assays; gene expression
05/20/2003US6566547 Fungicides
05/20/2003US6566507 Processes for the preparation of benzotriazole UV absorbers
05/20/2003US6565997 Superior in vibration transmittability between ceramic substrate and piezoelectric
05/07/2003CN1415600A Method for preparing2,2'-dichlorohydrazobenzene
05/02/2003EP1305298A2 Processes for the preparation of benzotriazole uv absorbers
05/01/2003US20030082547 Non-fluorescent quencher compounds and biomolecular assays
04/2003
04/29/2003US6555690 Alkyl or aryl substituted dihydronaphthalene derivatives having retinoid and/or retinoid antagonist-like biological activity
04/24/2003US20030078440 O- or S- substituted tetrahydronaphthalene derivatives useful as regulators of cell proliferation and differentiation, useful for treating skin-related diseases
04/23/2003EP1304316A1 Processes for the production of fluorinated organic compounds and fluorinating agents
04/23/2003EP1303479A2 7-, 8- and 9-substituted tetracycline compounds
04/23/2003CN1106380C New synthetic catechol derivatives, method for production and use thereof
04/10/2003US20030069224 Non-nucleoside reverse transcriptase inhibitors
04/09/2003EP1299351A1 Novel aryl, alkenyl, and alkynl 4-dedimethylaminotetracycline derivatives
04/03/2003US20030065153 Such as (2-(1-piperidine)ethyl)carbamate for the deacidification of paper material
04/02/2003EP1296931A2 Polyamine analogues as cytotoxic agents
03/2003
03/12/2003CN1401631A Bis (amino carbonylnaphthol) derivs.
03/06/2003WO2003019145A2 Non-fluorescent quencher compounds and biomolecular assays
03/06/2003US20030045755 Polyamine analogues as cytotoxic agents
03/05/2003EP0853610B1 Synthesis and use of retinoid compounds having negative hormone and/or antagonist activities
02/2003
02/26/2003CN1102145C Process for prepn. of N,N-substituted ureas
02/18/2003US6521624 Synthesis and use of retinoid compounds having negative hormone and/or antagonist activities
02/06/2003WO2002070516A3 Cyclopropaheterocycles as non-nucleoside reverse transcriptase inhibitors
01/2003
01/14/2003US6506908 From bicyclo(3.1.0)hexabe; decyclization; decarboxylation
01/14/2003US6506740 Compounds that can be substituted at the 7, 8, and/or 9 positions and methods for preparing the 4- dedimethylamino tetracycline compounds. Other tetracycline compounds are the 4-dedimethylaminotetracycline derivatives with an oxime
01/09/2003WO2003002521A2 Method for production of azo compounds
01/09/2003US20030008304 Fluorescent quenching detection reagents and methods
01/08/2003EP1273568A2 Novel diazo derivatives and process for their preparation
01/04/2003CA2392282A1 Novel diazo derivatives and process for their preparation
12/2002
12/24/2002US6498190 Bicyclic amino derivatives and PGD2 antagonist containing the same
12/18/2002EP1266884A1 Image diagnosis probe based on substituted azobenzene or analogue thereof for disease attributable to amyloid accumulation and composition for image diagnosis containing the same
12/12/2002WO2002099141A1 Fluorescent quenching detection reagents and methods
12/12/2002US20020188112 Process for the preparation of diazomethane
12/05/2002US20020183204 Storage property before printing (raw storage property) and light- resistance after printing (image storage property)
11/2002
11/28/2002WO2002094760A2 Process for the preparation of 7-substituted 3-alkyl-3h-isobenzofuran-1-one derivatives
11/21/2002US20020173631 4-((5,5-dimethyl-5,6,7,8-tetrahydro-8-hydroxynaphthalen-2 -yl)carbonyloxy)benzoic acid, benzyl ester for example; receptor subtype selectivity for side effect reduction
11/14/2002WO2002090319A1 Labelling reagents, method for synthesis of said reagents and methods for detecting biological molecules
11/14/2002WO2002060812A3 Process for derivatizing carbon nanotubes with diazonium species and compositions thereof
11/13/2002CN1379020A P-chlorophenol-o-azo beta-naphthol chromium complex and its preparing process and application
11/05/2002US6476202 5-acylamino-2-arylazo, nitro, or nitroso-4-substituted-phenol compounds and method of using them
10/2002
10/31/2002US20020160987 Novel 4-dedimethylaminotetracycline derivatives
10/30/2002EP1253466A1 Diazonium salt and heat-sensitive recording material
10/24/2002US20020156054 Synthesis and use of retinoid compounds having negative hormone and/or antagonist activities
10/24/2002US20020155484 Oligonucleotide for use as tool in the detection of preferential compounds in solution
10/22/2002US6469028 Synthesis and use of retinoid compounds having negative hormone and/or anatgonist activities
10/15/2002US6465663 Ethyl (e)-4-(2-(5,6-dihydro-5,5-dimethyl-naphthalen-8(7h)-one-2 -yl)ethenyl)benzoate and ethyl (e)-4-(2-(5,6-dihydro-5,5-dimethyl-8-(phenylthio)-naphthalenyl)ethenyl) benzoate
10/10/2002WO2001072685A9 Polyamine analogues as cytotoxic agents
09/2002
09/18/2002EP1240134A1 Process for the preparation of diazomethane
09/18/2002EP0828709B1 Novel physically functional materials
09/12/2002WO2002070516A2 Cyclopropaheterocycles as non-nucleoside reverse transcriptase inhibitors
09/12/2002WO2002069920A1 Method of colouring porous material
09/04/2002EP1235938A2 Fluorescent quenching detection reagents and methods
09/04/2002CN1090205C Condensed ring azo compound and its producing method and use
09/04/2002CN1090204C Multifunctional cyanate ester and epoxy blends
08/2002
08/29/2002WO2002018324A3 Immunoregulatory compounds, derivatives thereof and their use
08/28/2002CN1365968A Process for equipment for continuously preparing diazonium salt of triarylamine
08/28/2002CN1089750C Salt of 2,2'-azo-di(2-methyl propionamide oxime)
08/22/2002US20020114902 Chiral doping agents with variable spiral pitch induction and application thereof to a reflective colour display
08/15/2002WO2002062747A1 Photolabile protective groups for the synthesis of biopolymers
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