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)
09/1989
09/20/1989EP0333004A2 Light sensitive diazonium compounds, process for their preparation and their use
09/20/1989CN1035659A 3,3-diarylacrylic acid amides
09/05/1989US4863503 Fungicides
08/1989
08/29/1989CA1258864A1 Insecticide intermediates and processes thereto
08/23/1989EP0329256A1 Preparation of 3,3-diarylacrylic acid amides
08/16/1989EP0328399A2 Process for the preparation of 4-demethoxydaunomycinone, the aglycone of 4-demethoxy-daunorubicin
08/16/1989CN1034711A Process for preparation of substituted diphenylamine-4-diazonium
08/10/1989WO1989007098A1 Butyrl-tyrosinyl spermine, analogs thereof and methods of preparing and using same
07/1989
07/18/1989CA1257585A1 Keratinic fibers tinctorial compositions containing an azoic dye; process for preparing said dye and use of these compositions for dyeing keratinic fibers
06/1989
06/20/1989CA1256102A1 Azo compounds
06/07/1989EP0319325A2 Photosensitive material and process for forming pattern using the same
06/01/1989WO1989004822A1 Continuous preparation of aromatic diazonium fluoride salts
05/1989
05/31/1989CN1004352B Process for the preparation of new azo compounds
03/1989
03/15/1989EP0307103A2 Fungicides
03/15/1989EP0307101A2 Chemical process
01/1989
01/24/1989CA1249267A1 Azoalkane mixtures containing unsymmetrical azoalkanes and their method of preparation
01/17/1989CA1248943A1 Fluorophenoxyphenoxypropionates and derivatives thereof
01/04/1989EP0297397A2 Preparation of diazo and azo compounds
12/1988
12/14/1988EP0294907A1 Process for the preparation of 3,3-diaryl acrylic acid amides
11/1988
11/23/1988EP0292139A1 Azo compound
11/09/1988EP0290117A1 Method for the preparation of pollakis-azobenzenes
11/01/1988CA1244012A1 Unsaturated cyclic amido-substituted ether compounds and preparation process thereof
10/1988
10/26/1988EP0287909A1 Amyloidosis and Alzheimer's disease diagnostic assay and reagents therefor
10/05/1988EP0285085A2 Amino acid derivatives, process for the preparation thereof and pharmaceutical composition comprising the same
09/1988
09/14/1988EP0281829A2 Adducts of ketonic compounds with the anions of oxygenated acids, process for their preparation, their use and azo ketonic compounds
09/06/1988US4769447 Substrates for g-glutamyl transferase determination
08/1988
08/24/1988EP0279307A2 Bifunctional chelating agents
08/09/1988US4762767 Negatively operating photoresist composition, with radiation-absorbing additives
07/1988
07/26/1988US4760148 5-aralkyl substituted 2H-benzotriazoles and stabilized compositions
07/06/1988EP0273528A1 Benzophenones and their preparation
06/1988
06/28/1988US4754020 Acid is ion exchange resin, easy separation
06/07/1988US4749648 Agent for the determination of esterolytic and/or proteolytic enzymes
05/1988
05/17/1988US4744918 Esters,optical apparatus
04/1988
04/20/1988EP0263951A2 Disazo compounds and compositions containing them
03/1988
03/16/1988EP0259995A1 Liquid crystal material
03/08/1988US4730038 Water-soluble disazo compounds of 1-amino-8-naphthal-3,6- or 4,6-disulfonic acid as bivalent coupling component, containing fiber-reactive groups suitable as dyestuffs
02/1988
02/24/1988CN87103543A Fungicides
02/23/1988US4727158 5-Higher alkyl substituted-2H-benzotriazoles
02/16/1988US4725676 5-(3,5-disubstituted phenylazo)-2-hydroxybenzene-acetic acids and salts and lactones thereof having a potentially inhibitory effect on 15-hydroxy-prostaglandin dehydrogenase
01/1988
01/07/1988EP0250961A2 Chiral esters of alpha-substituted phenylalkylic acids and mesogeneous hydroxyl compounds, and their use as dopants in liquid-crystal phases
12/1987
12/10/1987DE3618213A1 Chiral esters of alpha -substituted carboxylic acids with mesogenic hydroxyl compounds, and their use as doping substance in liquid-crystalline phases
12/02/1987EP0247199A1 Synthetic routes to cyclopentanecarboxylic acid derivatives
11/1987
11/19/1987EP0245950A2 Insecticidal n-substituted-n' - substituted-n, n'-diacylhydrazines
11/17/1987US4707440 Biopolymer linked to a chelating agent based on an o-cyclohexadiaminediacetic acid
10/1987
10/28/1987EP0243014A1 Fungicides
10/20/1987US4701525 Polyazo dyestuffs having high UV absorption
09/1987
09/29/1987CA1227482A1 Production of l-oxacephams
09/16/1987EP0237265A2 Calixarene derivatives and use of such compounds for sequestration of metals
08/1987
08/05/1987EP0230985A2 Gamma-glutamyl-4-azoanilides, process for their preparation and their use for the determination of gamma-glutamyltransferase
07/1987
07/28/1987US4683296 Carbapenem intermediates
07/02/1987WO1987003278A3 Synthetic routes to cyclopentanecarboxylic acid derivatives
06/1987
06/04/1987WO1987003278A2 Synthetic routes to cyclopentanecarboxylic acid derivatives
05/1987
05/27/1987EP0223440A1 A process for the production of high energy material
05/12/1987US4665038 Composition, method and test strip for examining urobilinogen
04/1987
04/29/1987EP0219756A1 Acrylic amides
04/15/1987CN85109684A Process for the preparation of new azo compounds
04/08/1987EP0217240A1 Chiral esters of mesogenic-carboxylic acids, process for their preparation and their use as doping agents in liquid crystal phases
04/07/1987US4656275 Preparation of riboflavin, and 4,5-dimethyl-N-(D)-ribityl-2-(O-alkoxyphenylazo)-aniline intermediates
04/07/1987CA1220215A1 Carbapenem intermediates
03/1987
03/11/1987EP0214102A2 5-Aralkyl-substituted 2H-benzotriazoles and stabilized compositions
03/10/1987US4649219 Unsaturated cyclic amido-substituted ether compounds and preparation process thereof
01/1987
01/28/1987CN86102077A Carbapenem antibiotics
01/20/1987US4637868 Ultraviolet radiation, hydrochloric or hydrobromic acid, bromide ions
12/1986
12/10/1986EP0203957A1 5-(3,5-disubstituted phenylazo)-2-hydroxybenzene acetic acids and salts and lactones thereof, and pharmaceutical compositions of said acids, salts, and lactones.
12/09/1986US4628083 2-hydroxy-5-(arylazo)-benzene alkanoic acids
11/1986
11/20/1986EP0201690A2 Process for the manufacture of aromatic diazonium salts and azo dyes
10/1986
10/08/1986EP0196573A2 Bis-diazonium salts of 4,4'-diamino-3,3'-dialkoxy-biphenylene, process for their preparation and their use
09/1986
09/02/1986US4609609 Ultraviolet
08/1986
08/27/1986CN85108235A Preparation of fungicides
08/05/1986US4604455 Process of preparing azoalkane mixture containing at least one unsymmetrical azoalkane
06/1986
06/11/1986EP0184555A2 Process for the diazotisation of amines
06/05/1986WO1986003195A1 Novel azo compounds
04/1986
04/23/1986EP0178826A2 Fungicides
04/09/1986EP0177248A1 Process for preparing diazomethane derivative
02/1986
02/04/1986CA1200204A1 5 asa drug delivery system
01/1986
01/29/1986EP0169808A2 UV-absorber compounds, method for their preparation and their use as image dyes in photographic materials for the silver dye-bleaching process
01/15/1986EP0168043A2 Liquid crystal phase
12/1985
12/17/1985US4559330 Use of 3,3'-azo-bis-(6-hydroxy benzoic acid) as a drug and pharmaceutical compositions containing the same
11/1985
11/21/1985EP0161548A2 Process for the preparation of riboflavin, and intermediates for this process
11/05/1985US4551428 Colorimetric analysis using diazonium couplers
10/1985
10/29/1985US4550192 Fluorophenoxyphenoxypropionates and derivatives thereof
10/08/1985US4546174 Reacting a dichloroamine compound with an amine in water
09/1985
09/18/1985EP0155177A2 Unsaturated cyclic amido-substituted ether compounds and preparation process thereof
09/18/1985EP0154788A2 Detectable molecules, method of preparation and use
09/03/1985US4539148 Production of 1-oxacephams and intermediates
09/03/1985CA1192902A1 Diazonium salts and reagents for bilirubin assay
07/1985
07/09/1985US4528367 Method and intermediates for preparing high purity 3,3'-azo-bis-(6-hydroxy benzoic acid)
07/02/1985US4526980 Method for the preparation of tetranitrodibenzotetrazapentalene
06/1985
06/18/1985CA1189082A1 Sulfonate derivatives, process for preparing same and antilipemic compositions containing the derivative
05/1985
05/08/1985EP0140256A2 Composition for examining urobilinogen
04/1985
04/30/1985CA1186201A1 Agent for the detection of esterolytic and/or proteolytic enzymes and with substrates suitable for this purpose
04/24/1985EP0138359A2 Herbicidal Fluorophenoxyphenoxypropionates, derivatives thereof and related compounds
03/1985
03/20/1985EP0134446A1 Negative photoresist formulations with radiation-absorbing additives
12/1984
12/18/1984CA1179602A1 Use of 3,3'-azo-bis-(6-hydroxy benzoic acid) as a drug and pharmaceutical compositions containing the same
11/1984
11/06/1984CA1177483A1 Chemical process
10/1984
10/16/1984US4477614 For polyamides
08/1984
08/28/1984US4468467 Diazonium salt for bilirubin assay
07/1984
07/31/1984CA1171850A1 Process for the manufacture of 1,3-diaryl triazenes
07/24/1984CA1171409A1 Arylazo compounds
06/1984
06/19/1984US4455305 Composition for the treatment of colitis ulcerosa, enteritis regionalis crohn (morbus crohn), chronic nonspecific colitis and diverticulitis and the use of salicylazobenzoic acid for the preparation of such compositions
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