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Assignee: Sandoz Ltd.


Location: Basel, CH
No. of patents: 1215

                    31  
NumberTitleIssue Date
3956271Process for the production of concentrated solutions of cationic azo dyes
Concentrated solutions of cationic azo dyes are prepared directly from sparingly soluble salts of the dye in a one-step reaction by reacting the sparingly soluble dye with a non-chromophoric carboxylate salt, the cation of which forms an insoluble or spar...
05/11/1976
3956268Substituted phenyl-azo-phenylene-azo-phenyl dyes
This invention provides novel disperse dyes of formula I, ##SPC1## in which R1 signifies hydrogen, cyano, alkyl or alkoxy, R2 signifies unsubstituted alkylcarbonyloxy; alkylcarbonyloxy substituted by halogen, alkoxy, alkylcarbonyl, aryl o...
05/11/1976
3956283Bis-(triazinylamino)-stillene derivatives
Disclosed are compounds of formula I, ##SPC1## in which R1 signifies hydrogen, fluorine, bromine, chlorine, C1-6 alkyl, C1-6 alkoxy or --SO3 M, R2 signifies cyano or --CONR3 R4, in wh...
05/11/1976
3954743Coumarin and coumarinimide derivatives
Compounds of the formula ##SPC1## In which X signifies oxygen or =NH, R1 signifies an alkyl, alkenyl or phenyl radical which is unsubstituted or substituted, R2 signifies hydrogen or one of the meanings of R1 or R1 a...
05/04/1976
39547543-Hydrazino-cycloalkyl[c]pyridazines
This invention provides aminopyridazine derivatives of formula I, ##SPC1## wherein R1 is amino, or an ##EQU1## group, wherein each of R3 and R4 is alkyl of 1 to 4 carbon atoms, or R3 and R4 toget...
05/04/1976
3954847New benzene phosphonous acid compounds, their production and use as stabilizers for organic materials
The purpose of the invention are new benzene phosphonous acid compounds in which two to four benzene nuclei are bound together and which contain one to three phosphorus atoms. The new compounds are free acids, their salts with inorganic cations, their est...
05/04/1976
3954770N,N'-(polybromophenoxycarbonyl)piperazines
Flame retarding compounds of formula, ##SPC1## In which Each n, independently, is an integer 2 to 5, and R is a divalent radical of formula ##EQU1## wherein R1 is alkylene or arylene and each R2, independently, is alkyl or phenyl, Fo...
05/04/1976
3953168Dyeing process
Disclosed is a process for dyeing or printing a voluminous textile substrate comprising natural or synthetic polyamide fibres, which process comprises applying to the substrate an aqueous dyeing or printing medium containing 0.05 to 100 g/l of a foaming a...
04/27/1976
3953163Improvements in or relating to organic compounds
Disclosed is a tanning agent for leather comprising a chromium or zirconium salt, preferably the sulphate, and an aryl sulphone, the tanning of leather therewith and the use of the aryl sulphone per se in chrome, vegetable or synthetic tanning of leather ...
04/27/1976
3953419Salts of stilbene-azo and stilbene-azoxy dyes and process for their preparation
Novel salts of stilbene-azo or stilbene-azoxy dyestuffs, in which the cations are selected from tetra-alkylammonium, tetra-alkylammonium in combination with lithium, sodium, potassium or ammonium, and ammonium in combination with lithium, sodium or potass...
04/27/1976
3948879Phenylazonaphtholsulfonic acids having a substituted anilino group in the 6-position of the naphthalane ring
Compounds of the formula ##SPC1## Wherein EACH OF R and R1 independently is halo, R2 is hydrogen or halo, R3 is halo or --OR4, and R4 is alkyl or substituted alkyl, And chromium complexes thereof. The monoazo c...
04/06/1976
3948880Phenyl-azo-phenyl compounds of low solubility in water
Dyes of the formula ##SPC1## Wherein R1 is hydrogen, chloro or bromo, R2 is chloro or bromo, R3 is lower alkyl or substituted lower alkyl, R4 is --CH2 CH2 -- or ##EQU1## and R5 i...
04/06/1976
39460366,11-Dihydro-11-oxo-dibenzo[b,e]thiepine-2-acetic acids
The present invention provides compounds of formula I, ##SPC1## wherein R1 is hydrogen, fluorine, chlorine, bromine, hydroxyl, lower alkyl, lower alkoxy, amino or lower acylamino, and R2 is hydrogen or lower alkyl, Useful as antiphlogisti...
03/23/1976
3943246Organic compounds
This invention concerns a novel use of oxytocin and desamino-oxytocin for treating impotency in the human male....
03/09/1976
3935271Unsaturated aliphatic ketones
The present invention concerns unsaturated ethers or thioethers of the formula: ##EQU1## wherein R1 is an aliphatic or alicyclic hydrocarbon, R2 and R3 are H or alkyl, Y is cyano, amido, a ketone or an acid ester, ...
01/27/1976
                    31  
 
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