U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 5523741

Santa Claus Detector

A Christmas stocking having illumination means associated therewith for signalling the arrival of Santa Claus.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 534/572 - Formation of azoxy group


Subclass of Class 534 - Organic compounds -- part of the class 532-570 series
Definition: Processes of forming the azoxy group.
No. of patents: 25
Last issue date: 06/07/2005


NumberTitleIssue Date
6903197Azoxy dyes and copper complexes thereof
Azoxy dyes of the general formula I in the form of the free acid where n is 0 or 1, each R1 is selected from the group consisting of methoxy, hydroxyl and ...
06/07/2005
6727351Azoxy dyes and their Cu complexes
Azoxy dyes of the general formula I in the form of the free acid where n is 0 or 1, each R1 is selected from the group consisting of methoxy, hydroxyl and carboxyl, each R2 is s...
04/27/2004
5917023Reductive coupling of nitrobenzene or nitrobenzenes substituted on the nucleus to give the corresponding azobenzenes and azoxybenzenes by means of redox catalysts
Nitrobenzene or a nitrobenzene substituted on the nucleus is subjected to reductive coupling to give the corresponding azobenzene and azoxybenzene under heterogeneous catalysis with substantial avoidance of overreduction to aniline derivatives by means of...
06/29/1999
5795878Biocidal compounds their preparation and use
A phenylazoxycyanide compound of formula I ##STR1## is useful as an antimicrobial and fungicidal composition. A method for using the antimicrobial and fungicidal compositions, and for manufacturing the compound is also disclosed....
08/18/1998
5627175Azoxycyanobenzene compounds
The invention is directed to azoxycyanobenzene derivatives of the formula: ##STR1## wherein n is 0-3; each R represents halogen, nitro, cyano, alkyl, haloalkyl, alkoxy, or haloalkoxy; and each R1 and R2 represents an optionally ...
05/06/1997
5541169Azoxy compound
An azoxy compound represented by the following general formula ##STR1## wherein R1 denotes a hydrogen atom, a halogen atom, a hydroxyl group, a lower alkoxy group, a lower alkoxy-lower alkoxy group or a group of the formula X1 -...
07/30/1996
5475093Process for the preparation of azoxycyanide compounds
The invention relates to a process for the preparation of azoxycyanide compounds of the general formula ##STR1## in which R represents an optionally substituted aryl or heterocyclyl group, which comprises treating a compound of the general formula R-...
12/12/1995
5439897Azoxycyanobenzene derivatives, compositions containing them and their use as fungicides
This invention relates to certain azoxycyanobenzene derivatives of the general formula. ##STR1## in which R represents an optionally substituted alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkenyl, aryl or heterocyclyl group; R1 represents a...
08/08/1995
5393874Preparation of N-hydroxy-N'-diazenium oxides
The preparation of N-hydroxy-N'-diazenium oxides of the general formula I ##STR1## where R is an aliphatic or cycloaliphatic radical, by reacting a hydroxylamine of the general formula II R--NH--OH II or it...
02/28/1995
5349109Molybdenum-catalyzed amination of olefins
A process for making unsaturated ଱-amines from olefins wherein the process includes adding an aminating agent, an olefin and a molybdenum based catalyst to a reaction vessel having a nitrogen atmosphere. The catalyst may be described by the general ...
09/20/1994
5273997Biocidal compounds
The invention provides compounds of general formula ##STR1## wherein m is 0 or 1; each of R1 and R2, and R3 and R4 if present, independently represents a hydrogen or halogen atom or an optionally substitute...
12/28/1993
5093480Azoxy compounds
A novel 2-imino derivative of an antifungal product KA-7367A represented by formula, ##STR1## which has high antifungal activity and excellent stability and is useful as an antifungal agent for warm-blooded animals including humans and for agric...
03/03/1992
5089486Biocidal azophenyl compounds
Compounds of the general formula R--N.dbd.NX (I) or N-oxides thereof, where R represents on amidophenyl group, and X represents a cyano group, a group --COOH or a salt, ester or amino derivative thereof; are fungi...
02/18/1992
5084448Fungicidal phenyl azoxime compositions
Novel compounds of the general formula ##STR1## where R represents an optionally substituted aryl or heteroaryl group; X represents a hydrogen atom or an amino group or an optionally substituted alkyl, aryl or heteroaryl group; and Z represents a hyd...
01/28/1992
5041539Preparation of aqueous concentrates of yellow azo and azoxystilbene dyes utilizing alkanolamine salts
The invention relates to a process for the preparation of concentrated storage-stable aqueous solutions of yellow azo- and azoxystilbene dyes which are obtained by self-condensation of 4-nitrotoluene-2-sulfonic acid in the presence of an alkali metal hydr...
08/20/1991
4629290Liquid crystal compounds and method of preparation
Asymmetric trans-4,4'-dialkyl-ONN-azoxybenzenes having the general formula: ##STR1## wherein R1 and R2 are straight-chain alkyl groups having from 1 to 10 carbon atoms and R1 .noteq.R2 are provided. The azo...
12/16/1986
4594410Azo compounds containing both sulfo groups and basic or cationic groups which compounds are in metal-free or 1:1 metal complex form
Azo dyes of the formula ##STR1## and external salts thereof, wherein F is the residue of a monoazo or disazo compound in 1:1 metal complex form or of a trisazo, disazoazoxy or tetrakisazo compound in metal-free or 1:1 metal complex form, each X is in...
06/10/1986
4591634Trisazo/azoxy dyestuff mixtures
Trisazo/azoxy dyestuff mixtures which in the form of free acid correspond to the formula ##STR1## in which R denotes H or optionally substituted alkyl, X and Y denote H, alkyl, alkoxy, halogen, hydroxyl, alkylsulphonyl, optionally mono- or di-alkyl-s...
05/27/1986
4326078Process for preparation of hydrazobenzenes by catalytic hydrogenation of nitrobenzenes
In a process for the hydrogenation of nitrobenzene with hydrogen to hydrazobenzene at temperatures ranging from 40° to 110° C. in the presence of a precious metal catalyst, an aqueous alkaline solution and an organic solvent, the reaction mixture being ...
04/20/1982
4297278Pentakis-and heptakis-azoxy dyestuffs
Polyazo dyestuffs of the formula ##STR1## wherein D denotes the radical of a diazo component and n denotes the number 1 or 2, and their use for dyeing and printing fibre materials containing amino groups or hydroxyl groups, and leather. The resulting dyei...
10/27/1981
4158002Process for preparing dinitroazo- (or azoxy-)benzene
A process for preparing a compound of the formula ##STR1## wherein m represents zero or 1, which comprises reacting azobenzene with nitric acid in the presence of sulfuric acid in two steps, wherein (1) the first-step reaction is carried out under the fol...
06/12/1979
4126608Process for the production of salts of stilbene-azo and stilbene-azoxy dyes
Salts of stilbene-azo and stilbene-azoxy dyestuffs, and mixtures thereof in hich the cations are selected from tetra-alkylammonium, tetraalkylammonium in combination with lithium, sodium, potassium or ammonium, and ammonium in combination with lithium, sod...
11/21/1978
39896817-Azoxy substituted-1,4-benzodiazepin-2-ones
Novel 1,4-benzodiazepin-2-ones of the formula ##SPC1## Wherein R1 is selected from the group consisting of hydrogen, lower alkyl, cycloalkyl-lower alkyl, hydroxylower alkyl, lower alkoxy-lower alkyl and di-lower alkylamino-lower alkyl; R2
11/02/1976
3983100Preparation of suspensions of maleamic acids
A suspension of a maleamic acid is provided by reacting maleic anhydride with an appropriate diprimary diamine in an organic diluent in the presence of a tertiary amine. The suspension has a low viscosity and the maleamic acid can readily be recovered fro...
09/28/1976
3980522Production of a new antibiotic, calvatic acid
There is disclosed a new antibiotic called calvatic acid having the structure p-carboxyphenyl-azoxycarbonitrile and processes for its production by fermentation and processes for its recovery and purification. This substance is effective in inhibiting the...
09/14/1976
 
Sign InRegister
Username  
Password   
forgot password?