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Class 568/738 - Preparing from aryl sulfonate


Subclass of Class 568 - Organic compounds -- part of the class 532-570 series
Definition: Processes wherein the compound is formed by reacting an
No. of patents: 11
Last issue date: 03/27/2007


NumberTitleIssue Date
7195834Metallized conducting polymer-grafted carbon material and method for making
A composition comprising particulate carbonaceous material and a conducting polymer containing hetero atoms. The composition can further comprise a metal. Devices comprising the composition can be constructed including supported electrocatalysts, membrane electrode ...
03/27/2007
7175930Conducting polymer-grafted carbon material for fuel cell applications
A composition comprising particulate carbonaceous material and a conducting polymer containing hetero atoms. The composition can further comprise a metal. Devices comprising the composition can be constructed including supported electrocatalysts, membrane electrode ...
02/13/2007
6958308Deposition of dispersed metal particles onto substrates using supercritical fluids
A method for producing dispersed metal particles on a substrate and the compositions produced is disclosed. A method for producing the particles comprises exposing an organometallic and a particulate substrate to supercritical or near supercritical fluid under condi...
10/25/2005
5981806Process for the preparation of hydroxynapthalenes
The present invention relates to a process for the preparation of hydroxynaphthalenes of formula (I) ##STR1## wherein n represents a number from 1 to 6, X denotes C1 -C6 alkyl, halogen, carboxyl, carboxylic acid ester, nitro, ch...
11/09/1999
5334752Cyclobutabenzene monomers
Novel difunctionalized cyclobutabenzene monomers of the general formula: ##STR1## wherein Z can be hydrogens or a cyclobutane ting; and X and Y are carbox amino, alcohol, isocyanate, acid halide, or bis-acyl fluoride groups. In a particularly prefer...
08/02/1994
5322946Process for producing aromatic hydroxy compound
An industrially useful process for the production of an aromatic hydroxy compound which comprises reacting an aromatic sulfonic acid alkali metal salt and/or an aromatic sulfonic acid with an alkali metal hydroxide in the presence of a surface active agen...
06/21/1994
4922031Preparation of 4,4'-dihydroxybiphenyl
4,4'-dihydroxybiphenyl is prepared by treating biphenyl-4,4'-disulfonic acid or one of its alkali metal salts in an alkali metal hydroxide melt by a process in which the treatment is carried out in a melt which contains from 7 to 14 moles of potassium hyd...
05/01/1990
4633024Process for producing aromatic hydroxy compound
A process for producing an aromatic hydroxy compound which comprises reacting an alkali metal salt of an aromatic sulfonic acid with an alkali metal hydroxide in a reaction medium which is an aliphatic, alicyclic or aromatic hydrocarbon, or an aromatic et...
12/30/1986
4465878Process for producing 4',4-dihydroxydiphenyl
A process for producing 4,4'-dihydroxydiphenyl which comprises subjecting to alkali fusion 1 mol of 4,4'-diphenyldisulfonic acid and/or potassium 4,4'-diphenyldisulfonate together with 4 to 10 mol of potassium hydroxide and 0.1 to 2 mol of potassium sulfa...
08/14/1984
4237323Method for preparing ଱-naphthol
A method for preparing ଱-naphthol according to the present invention comprises sulphonation of naphthalene with an equimolar amount of a concentrated sulphuric acid at a temperature ranging from 30° to 85° C. for a period of from 60 to 120 minutes...
12/02/1980
4145283Process for the purification of waste water
The waste water being formed upon the preparation of hydroxy aromatics, preferably of resorcinol and ଲ-naphthol, by caustic alkaline melt of the corresponding aryl-sulfonic acids or aryl sulfonates is purified by wet oxidation with oxygen or oxygen-...
03/20/1979
 
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