Patents
Patents for C07D 241 - Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings (18,673)
08/1991
08/06/1991US5037825 Useful In The Treatment Of Neoplasms, Dermatoses And Aging Of The Skin
07/1991
07/31/1991EP0438811A2 Esters of 3-halogeno- or 3-cyano-substituted 2-methylalkanecarboxylic acids and their use as doping agents in liquid-crystalline compositions
07/31/1991EP0438726A1 Non-saturated cyclohexyl acetic acid derivatives and pesticides containing them
07/31/1991EP0438533A1 Muscarinic receptor antagonists
07/30/1991US5036070 Treatment of nervous system disorders, schizophrenia, anxiety, paranoia
07/23/1991US5034404 Nitroguanidines as insecticides
07/23/1991US5034388 Acrylic acid derivatives substituted with benzene
07/23/1991US5034050 Heteroaryloxy derivatives for postemergence killing of grassy weeds
07/21/1991CA2034156A1 Unsaturated cyclohexylacetic acid derivatives, and crop-protection agents containing same
07/16/1991US5032479 Charge transport compound
07/16/1991US5032312 Liquid crystals
07/16/1991US5032168 4-((aryloxy)phenoxy)fluoroalkanoic acid derivatives and their herbicidal uses
07/11/1991WO1991007967A3 Method of preventing or limiting reperfusion damage
07/10/1991EP0436398A1 Acetylenes disubstituted with a heteroaromatic group and a substituted phenyl group having retinoid like activity
07/10/1991EP0436088A1 Process for the preparation of 3-aminopyrazine-2-carboxylic acid and of the corresponding alkali salts
07/09/1991US5030654 Glutaramide diuretic agents
07/04/1991DE4040469A1 New bis:cationic acid amide and imide substd. borate cpds. - prepd. from cpd. with different anion, useful as colourless charge transfer agent in toner
07/04/1991DE4040468A1 Bis:cationic acid amide and imide cpds. - used as charge transfer agents in toner and charge controllers for powder and powder paint
07/03/1991EP0314779A4 Stabilized gamma-irradiated polypropylene and sterilizable articles thereof
06/1991
06/29/1991WO1991010172A1 Biscationic acid amide and acid imide derivatives as charge controllers
06/29/1991WO1991009835A1 Biscationic acid amide and acid imide derivatives and process for preparing them
06/29/1991CA2072560A1 Biscationic acid amide and acid imide derivatives as charge controllers
06/27/1991WO1991009023A1 N-heteroaralkyl-substituted 1-aryloxy-2-propanolamine and propylamine derivatives possessing class iii antiarrhythmic activity
06/26/1991EP0433616A2 Use of heterocyclic thiocyanates as microbicides and agents containing such microbicides
06/26/1991EP0433451A1 Oxime derivatives and herbicides containing the same as an active ingredient
06/25/1991US5026853 Sleep and cardiovascular disorders
06/25/1991US5026704 Benzo[f]quinoxaline-2,3(1H,4H)-diones
06/19/1991EP0433084A2 Use of aromatese inhibitors for the reversal of female sexual phenotype in poultry
06/19/1991EP0432442A1 ACAT inhibitors
06/16/1991CA2032227A1 Reversal of female sexual phenotype in poultry
06/13/1991WO1991008510A2 Organic optical elements and nonlinear optical devices
06/13/1991WO1991007967A2 Method of preventing or limiting reperfusion damage
06/13/1991WO1991000729A3 Bis-dioxopiperazines, and their use as protecting agents
06/12/1991EP0431838A1 Nonionic radiographic contrast agents
06/12/1991EP0431700A2 Propargyl compounds, and preparation thereof
06/12/1991EP0431520A2 Heterocyclic acyl aminodiol beta-amino acid derivatives
06/12/1991CN1052114A Nonionic radiographic contrast agents
06/05/1991CA2031446A1 Heterocyclic acyl aminodiol .beta.-amino acid derivatives
06/05/1991CA2031398A1 Propargyl compounds and preparation thereof
06/04/1991US5021581 Fungicides
06/04/1991US5021413 Analgesic thiomorpholins their preparation, and pharmaceutical compositions containing them
06/04/1991US5021191 Ferroelectricity display elements; extremely small redution in crystal temperature region
06/04/1991CA1284660C2 N-cyano propionic amides
05/1991
05/30/1991CA2029830A1 Nonionic radiographic contrast agents
05/29/1991EP0428720A1 Optically active compounds and liquid crystal phase.
05/28/1991US5019576 Anticoagulants
05/28/1991US5019570 Cephalosporin compounds
05/22/1991EP0428392A2 Optically active compounds having plural chiral centers and the production thereof
05/22/1991CN1051553A Acat inhibitors
05/21/1991US5017589 Novel amino acid derivatives
05/21/1991US5017298 Oil additives, heterocyclic disulfides
05/21/1991US5017235 Smoking compositions containing a 2,5-diacylpyrazine flavorant additive
05/15/1991EP0427549A1 Heterocyclic oxy-phenoxyacetic acid derivatives and their use as herbicides
05/15/1991EP0426719A1 A hair dye
05/15/1991CN1051360A Tetracyclic compounds having anti-allergic and anti-asthmatic activities, their prepn. and use
05/14/1991US5015736 Piperazine intermediates
05/14/1991US5015473 Beta-lactamase inhibitors
05/14/1991CA1284149C Substituted quinoxalinediones and quinolinediones
05/10/1991CA2029692A1 Heterocyclic oxy-phenoxyacetic acid derivatives and their use as herbicides
05/08/1991CN1012575B Preparation of alkanoyl anilides
05/07/1991US5013840 Polyamic acid or polyimide
05/07/1991US5013836 Heating with formaldehyde or paraformaldehyde and formic acid, neutralizing with aqueous alkali, separating, washing
05/07/1991US5013744 Skin disorders
05/07/1991US5013476 Ferroelectric properties, electro-optical indicating device
05/07/1991US5013475 Optically active ester compound and liquid crystal composition containing the same
05/07/1991CA2029338A1 Acat inhibitors
05/02/1991WO1991005772A1 Novel dihydro-1,2 oxo-2 quinoxaline derivates, their preparation and their application in therapeutics
05/02/1991WO1991005771A1 Lipophilic acylpyrazinamide prodrugs
05/02/1991WO1991005549A1 Benzoheterocyclic compounds
05/02/1991EP0425344A2 Light polarizing materials and suspensions thereof
05/02/1991EP0211928B1 Piperazinecarboxamides having a phenoxyalkyl or thiophenoxyalkyl side chain
05/01/1991CN1051038A Benzoheterocyclic compounds
04/1991
04/25/1991DE3935287A1 New hetero:aryl-contg. alkoxylated phenol derivs.
04/24/1991WO1991005762A1 Multi-site metal chelating agents
04/24/1991CN1050870A Preparation of piperazinones for use as sulfur dioxide absro bents
04/24/1991CA2069886A1 Multi-site metal chelating agents
04/23/1991US5010191 Imaging agents for in vivo magnetic resonance and scintigraphic imaging
04/23/1991US5010080 !anticarcinogenic agents
04/18/1991WO1991004969A1 Herbicidal, heterocyclically substituted phenoxyalkane carboxylic acid derivatives and process for preparing them
04/18/1991DE3933932A1 Di:hydroxy-di:benzo-phenazine(s) - prepd. by heating corresp. di:sulphonic acids or their salts in alkaline alcoholic medium, e.g. in mixt. of glycol and alkali hydroxide
04/17/1991CN1050714A Amine derivatives
04/10/1991EP0421823A2 Novel tetracyclic compounds having anti-allergic and anti-asthmatic activities, their preparation and use
04/10/1991EP0421794A2 Preparation of piperazinones for use as sulfur dioxide absorbents
04/07/1991WO1991004965A1 Amine derivatives
04/07/1991CA2027107A1 Preparation of piperazinones for use as sulfur dioxide absorbents
04/06/1991CA2026925A1 Tetracyclic compounds having anti-allergic and anti-asthmatic activities, their preparation and use
04/03/1991EP0419676A1 Thionaphthalene derivatives, method of producing the same, and antiallergic agent containing the same
04/03/1991EP0419561A1 Heterobicyclic compounds having antiinflammatory activity
03/1991
03/27/1991EP0418696A2 Derivatives of aminoacids
03/27/1991CN1050186A Guanidine derivatives
03/26/1991US5002957 Azaneophyl sulfides, and their use as pesticides
03/26/1991US5002701 Iodine and Halide Complex of a Pyrazinedicarboxylic Acid
03/26/1991US5002694 Liquid crystals with ferroelectric properties
03/23/1991CA2025860A1 Amino acid derivatives
03/21/1991WO1991003469A1 3,6-diamino-2,5-pyrazinedicarbonitrile and production thereof
03/21/1991DE3930510A1 Verfahren zur inaktivierung von viren in blut und blutprodukten A method for inactivation of viruses in blood and blood products
03/20/1991EP0418199A2 Guanidine derivatives
03/20/1991EP0341264A4 Atriopeptins, guanylate cyclase activators, and phosphodiesterase inhibitors as treatment for glaucoma, hydrocephalus and cerebral edema (cranial fluid volume dysfunction)
03/19/1991US5001237 2-substituted alkoxy-3-substituted-pyrazines
03/16/1991WO1991004250A1 2-substituted-1(4)-aryl piperazines and the process for their preparation