A redox flow battery includes at least one aqueous electrolyte including the fermented compound
A redox flow battery includes at least one aqueous electrolyte including the fermented compound
A redox flow battery includes at least one aqueous electrolyte including the fermented compound
and/or an ion, and/or a salt and/or a reduced form of the anthraquinone member of compound (I). X1-X8 are independently selected from a hydrogen atom, a halogen atom, an ether group of formula —O-A′, a linear, cyclic or branched, saturated or unsaturated, optionally substituted, hydrocarbon group including 1-10 carbon atoms, a OH group, a —R1 group and a —O-A-R1 group. A′ represents a linear, cyclic or branched, saturated or unsaturated, optionally substituted, hydrocarbon group including from 1-10 carbon atoms. A represents a linear, cyclic or branched, saturated or unsaturated, optionally substituted, hydrocarbon group including 1-10 carbon atoms. R1 represents COOH, SO3H, or a salt thereof. One to three of X1-X8 is OH. Exactly one of X1-X8 is —O-A-R1. A method for generating electricity with such compounds is also described.
H01M 8/18 - Regenerative fuel cells, e.g. redox flow batteries or secondary fuel cells
C07C 50/34 - Quinones containing groups having oxygen atoms singly bound to carbon atoms the quinoid structure being part of a condensed ring system having three rings
C07C 59/90 - Unsaturated compounds containing keto groups containing singly bound oxygen-containing groups
The present invention relates to the synthesis of dyes. More specifically, the present invention relates to a method for preparing optionally substituted indigo, the method comprising a step of reacting an optionally substituted anthranilic acid with glyoxylic acid under hydrogenation in the presence of a metal catalyst in a solvent to obtain an optionally substituted 2-(carboxymethylamino)benzoic acid, and a step of converting the latter into optionally substituted indigo.
The present invention relates to a recombinant bacterium genetically modified to produce anthranilic acid and being able to grow in a culture medium lacking tryptophan. It also relates to a method for producing anthranilic acid using said recombinant bacterium.
INSTITUT NATIONAL DES SCIENCES APPLIQUÉES DE TOULOUSE (INSA TOULOUSE) (France)
INSTITUT NATIONAL DE RECHERCHE POUR L'AGRICULTURE, L'ALIMENTATION ET L'ENVIRONNEMENT (France)
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (France)
Inventor
Maccow, Awilda
Boissonnat, Guillaume
Guieysse, David
Remaud-Siméon, Magali
Abstract
The present invention relates to the field of dyeing processes. More particularly, it relates to a process for dyeing a cellulosic material, comprising an enzymatic oxidation of a cellulosic material followed by a reductive amination in the presence of an aminated dye.
D06P 1/38 - General processes of dyeing or printing textiles or general processes of dyeing leather, furs or solid macromolecular substances in any form, classified according to the dyes, pigments or auxiliary substances employed using reactive dyes
D06P 1/382 - General processes of dyeing or printing textiles or general processes of dyeing leather, furs or solid macromolecular substances in any form, classified according to the dyes, pigments or auxiliary substances employed using reactive dyes with a reactive group directly attached to the heterocyclic group
D06P 1/384 - General processes of dyeing or printing textiles or general processes of dyeing leather, furs or solid macromolecular substances in any form, classified according to the dyes, pigments or auxiliary substances employed using reactive dyes with a reactive group not directly attached to the heterocyclic group
D06P 1/41 - General processes of dyeing or printing textiles or general processes of dyeing leather, furs or solid macromolecular substances in any form, classified according to the dyes, pigments or auxiliary substances employed using basic dyes
The present invention relates to a recombinant bacterium genetically modified to produce anthranilic acid and being able to grow in a culture medium lacking tryptophan. It also relates to a method for producing anthranilic acid using said recombinant bacterium.
The present invention relates to a recombinant bacterium genetically modified to produce anthranilic acid and being able to grow in a culture medium lacking tryptophan. It also relates to a method for producing anthranilic acid using said recombinant bacterium.
The present invention relates to a process for preparing 8-hydroxy-9,10-dioxo-anthracene-1- carboxylic acid. It also relates to a method for preparing an anthraquinone derivative comprising a step for preparing 8-hydroxy-9,10-dioxo-anthracene-1-carboxylic acid according to such process.
C07C 51/265 - Preparation of carboxylic acids or their salts, halides, or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting having alkyl side chains which are oxidised to carboxyl groups
C07C 67/08 - Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
C07C 303/28 - Preparation of esters or amides of sulfuric acidsPreparation of sulfonic acids or of their esters, halides, anhydrides or amides of esters of sulfonic acids by reaction of hydroxy compounds with sulfonic acids or derivatives thereof
C07C 309/52 - Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton the carbon skeleton being further substituted by doubly-bound oxygen atoms
C07C 50/34 - Quinones containing groups having oxygen atoms singly bound to carbon atoms the quinoid structure being part of a condensed ring system having three rings
C07C 69/157 - Acetic acid esters of monohydroxylic compounds of unsaturated alcohols containing six-membered aromatic rings
10.
ACTINORHODIN METAL SALTS, PROCESS FOR PREPARING THE SAME AND USES THEREOF
The present invention relates to a metal salt of actinorhodin or one of its derivatives, wherein the metal is selected from the group consisting of beryllium, magnesium, calcium, strontium, barium, copper, iron, aluminium, chromium, manganese, cobalt, nickel, zinc, and mixtures thereof. It also relates to a composition comprising such a metal salt, a process for preparing the same, and its use as a colouring agent or a pigment.
A23L 5/46 - Addition of dyes or pigments, e.g. in combination with optical brighteners using dyes or pigments of microbial or algal origin
C09D 11/037 - Printing inks characterised by features other than the chemical nature of the binder characterised by the pigment
C12P 17/16 - Preparation of heterocyclic carbon compounds with only O, N, S, Se, or Te as ring hetero atoms containing two or more hetero rings
D06P 1/34 - General processes of dyeing or printing textiles or general processes of dyeing leather, furs or solid macromolecular substances in any form, classified according to the dyes, pigments or auxiliary substances employed using natural dyestuffs
D21H 17/00 - Non-fibrous material added to the pulp, characterised by its constitutionPaper-impregnating material characterised by its constitution
The present invention relates to a recombinant host cell comprising a heterologous nucleic acid sequence encoding a type III polyketide synthase (PKS) which is an octaketide synthase (OKS) and exhibiting post-PKS tailoring activities including aromatase, cyclase and ketoreductase activities. It further relates to the use of said recombinant host cell to produce anthraquinone derivatives, in particular 3,8-dihydroxy- 1-methyl-anthraquinone-3-carboxylic acid and aloesaponarin II.
The present invention relates to a compound of formula (I-0) or a salt thereof. The invention further relates to the use of such compound as a colouring agent. The invention also relates to a colouring composition comprising such compound.
D06P 1/34 - General processes of dyeing or printing textiles or general processes of dyeing leather, furs or solid macromolecular substances in any form, classified according to the dyes, pigments or auxiliary substances employed using natural dyestuffs
13.
ANTHRAQUINONIC DERIVATIVES AND THEIR USE AS COLOURING AGENTS
The present invention relates to a compound of formula (I-0) or a salt thereof. The invention further relates to the use of such compound as a colouring agent. The invention also relates to a colouring composition comprising such compound.
D06P 1/34 - General processes of dyeing or printing textiles or general processes of dyeing leather, furs or solid macromolecular substances in any form, classified according to the dyes, pigments or auxiliary substances employed using natural dyestuffs
H01L 51/00 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
14.
USE OF ACTINORHODIN AND THE DERIVATIVES THEREOF AS A COLOURING AGENT
The invention relates to the use of actinorhodin and/or the derivatives thereof as a colouring agent, to a colouring composition comprising said colouring agent, and to the use of said colouring composition for colouring particularly textiles or skins, plastic materials, waxes, cellulosic materials or silicones.
C07K 14/36 - Peptides having more than 20 amino acidsGastrinsSomatostatinsMelanotropinsDerivatives thereof from bacteria from ActinomycesPeptides having more than 20 amino acidsGastrinsSomatostatinsMelanotropinsDerivatives thereof from bacteria from Streptomyces (G)
D06P 1/34 - General processes of dyeing or printing textiles or general processes of dyeing leather, furs or solid macromolecular substances in any form, classified according to the dyes, pigments or auxiliary substances employed using natural dyestuffs
A61K 31/122 - Ketones having the oxygen atom directly attached to a ring, e.g. quinones, vitamin K1, anthralin
patents
