Class 8/521 - Oil, fat, wax, or gasoline dyeing

Subclass of Class 8 - Bleaching and dyeing; fluid treatment and chemical modification of textiles and fibers
Definition: Subject matter for coloring oils, fats, wax, or gasoline.
No. of patents: 29
Last issue date: 11/30/2010

Number	Title	Issue Date
7842102	Liquid dye formulations in non-petroleum based solvent systems A dye formulation is disclosed that includes a vegetable oil ester based solvents that have carbon chain lengths of C-1 to C-18, a solvent dye that is a true liquid dye dissolved in the vegetable oil ester for imparting color to the dye formulation, and reduced sulf...	11/30/2010
7250064	Dye composition comprising at least one fluorescent dye and a non-associative thickening polymer for human keratin materials, process therefor, and method thereof The disclosure relates to a composition comprising at least one fluorescent dye and at least one non-associative thickening polymer, to processes using such a composition, and to devices comprising such a composition. The disclosure also relates to processes ...	07/31/2007
7241723	Bearing cleaning composition and method of use A composition for cleaning bearings in rotating equipment and industrial machinery that contains powdered limestone having a high calcium content dispersed in a calcium sulfonate grease, together with a colorant that readily enables a user to differentiate between c...	07/10/2007
7150764	Composition for dyeing a human keratin material, comprising at least one fluorescent dye and at least one insoluble conditioning agent, process thereof, use thereof, and devices thereof A composition comprising at least one fluorescent dye and at least one insoluble conditioning agent; and processes and multicompartment kits comprising the composition. This disclosure also relates to the use of this composition for dyeing a human keratin material, ...	12/19/2006
7147673	Composition for dyeing human keratin materials, comprising at least one fluorescent dye and at least one insoluble polyorganosiloxane conditioning polymer, process therefor and use thereof Disclosed herein is a composition comprising at least one fluorescent dye and at least one insoluble polyorganosiloxane conditioning polymer, processes using this composition, and a device. Further disclosed herein is the use of compositions comprising at lea...	12/12/2006
6977177	Method for marking hydrocarbons with substituted anthraquinones A method for marking a liquid petroleum hydrocarbon. The method comprises adding to the liquid petroleum hydrocarbon at least one substituted anthraquinone dye having formula (I) wherein R1 and R2 ...	12/20/2005
6811575	Method for marking hydrocarbons with anthraquinones Method for invisibly marking a liquid petroleum hydrocarbon. The method comprises adding to the liquid petroleum hydrocarbon at least one dye selected from the group consisting of 1,4,5,8-tetrasubstituted anthraquinones and anthraquinone dimers. The absorption maxim...	11/02/2004
6514917	Molecular tags for organic solvent systems Colorless markers for petroleum products and methods and composition for detecting them....	02/04/2003
6287348	Colorants made from reactive dyes and fatty amines This invention relates to colorants comprising organic chromophores, in particular reactive dyes, which comprise electrophilic reactive groups, and which are also covalently bonded to fatty amine moieties through amino linking groups. Such colorants provi...	09/11/2001
6083285	N,N-dialkylaniline azo dye solutions A stabilized, concentrated solution of a diazo dye is prepared by coupling diazotized aniline or substituted aniline with a dialkylaniline in the presence of an aromatic solvent. After removal of the aqueous phase, the solution is stabilized by the additi...	07/04/2000
5882358	Colored transmission fluid Automatic transmission fluid containing a red dye stable even in long-lived transmission fluids....	03/16/1999
5676708	Non-mutagenic dye A dye composition that presents lower mutagenic characteristics useful in coloring petroleum products comprising a substantial amount of the dye of the formula ##STR1##...	10/14/1997
5428137	Monoazo liquid dye and solutions thereof The monoazo compound represented by formula I is excellent in compatibility with, solubility in, and coloring power for, almost all water-immiscible organic liquids, has a low melting point, and is suitable for use to color molten plastics, synthetic fibe...	06/27/1995
5306438	Ionic dye-based electrorheological materials An electrorheological material containing a carrier fluid and an ionic dye particle component which is an ionically charged compound based on or derived from a conjugated hydrocarbon compound. A preferred ionically charged compound contains at least one a...	04/26/1994
5205838	Liquid dye preparations: bis phenyl-azo-resorcinol in solvent for colored ribbon or ball pen ink Liquid dye preparations useful for making color ribbons or ballpoint pen pastes contain at least one dye of the formula ##STR1## where X is hydroxyl, amino or C1 -C15 -monoalkylamino, R1 and R4 are each a c...	04/27/1993
4780533	Disazo pigments having improved heat resistance using lower alkyl and phenyl esters of acetoacetanilide A disazo pigment is prepared by coupling the tetrazo compound of 3,3'-dichlorobenzidine with an acetoacetanilide compound which is other than those represented by the below-described general formula (I) and is free of water-soluble groups. In the present ...	10/25/1988
4612015	Liquid dye formulations containing organic carbonates Novel liquid dye formulations which contain organic carbonates in addition to conventional components are very useful for dyeing organic substrates....	09/16/1986
4602916	Dye composition and method of use thereof for coloring thermoplastic articles A waterless dye composition for apparel and other articles, made from thermoplastic materials, comprises an aliphatic polyester of a higher alkanoic acid and a polyol, of the formula (ACOO)2-6 B, wherein A is alkyl of 8-22 carbon atoms and B is...	07/29/1986
4473376	Dye mixtures of azo compounds soluble in organic solvents A mixture, soluble in organic solvents, of compounds of the formula ##STR1## where D is a radical of the formula ##STR2## n is 0, 1, 2 or 3 and R1 and R2 independently of one another are hydrogen, C1 -C4	09/25/1984
4469515	Production of pigments A process for producing monoazo or disazo pigments, which process comprises: (a) adding to a solution of a diazonium and/or tetrazonium salt of an aromatic or heterocyclic amine a solution or suspension containing 0.1-50% by weight of the theoretically re...	09/04/1984
4430090	Process for coloring organic solvents, mineral oil products, waxes, plastics and surface coatings with cyano-nitro-amino-azo dyes Dyestuffs of the formula ##STR1## are used for coloring organic solvents, mineral oil products, waxes, plastics and surface coatings, wherein R is alkyl having 1 to 7 carbon atoms, R1 is alkyl having 1 to 8 carbon atoms or alkenyl having 3...	02/07/1984
4378969	Fluid formulations of oxidation dyes for mineral oil products, fats and waxes Fluid formulations of oxidation dyes, which are obtained by oxidizing a compound of the general formula I ##STR1## where R1 is unsubstituted or hydroxy-, C1 -C8 -alkoxy- or C1 -C8 -alkanoyloxy-su...	04/05/1983
4341701	Production of pigments A process for producing monoazo or disazo pigments, which process comprises: (a) adding to a solution of a diazonium and/or tetrazonium salt of an aromatic or heterocyclic amine a solution or suspension containing 0.1-50% by weight of the theoretically re...	07/27/1982
4303407	Concentrated coloring solutions of a blue tinge based on mixture of 1.4-dialkyl-anthraquinones for the coloring of petroliferous products The present invention relates to concentrated solutions in organic solvents of special mixtures of 1-4-dialkyl-amino-anthraquinone dyes particularly useful for the coloring of hydrocarbons. The solutions of this invention are particularly useful for the c...	12/01/1981
4285693	Dyeing of surface coatings, organic solvents and petroleum products A process for dyeing surface coatings, organic solvents and petroleum products, wherein the dye used is a compound of the general formula I ##STR1## where R is C1 -C17 -alkyl, which may or may not be interrupted by oxygen and ma...	08/25/1981
4082501	Mixtures of oil-soluble phenyl- and naphthyl-azo-phenyl dyestuffs Mixtures of dyestuffs of the formula ##STR1## wherein R1 and R2 are hydrogen, lower alkyl or lower alkoxy and A is hydroxy phenyl or ଲ-hydroxy naphthyl. These dyestuff mixtures are prepared in usual manner by diazotizing a...	04/04/1978
4056367	Liquid monoazo-naphthalene dyestuffs, and their use Liquid dyestuffs of the general formula: ##STR1## in which A and B each represent the residue of an aromatic benzene or naphthalene primary amine, possibly substituted by alkyl or alkoxy groups containing 1 to 2 carbon atoms, n represents 0 or 1, y r...	11/01/1977
4048189	Lipophilic phthalocyanines Compound of the formula: ##STR1## in which Pc represents a metallized or non-metallized phthalocyanine residue, X represents a hydrogen or alkali metal atom, one of the substituents R1 and R2 represents a linear alkyl or alkenyl...	09/13/1977
4009008	Colored water immiscible organic liquid Novel disazo colorants or dyes for marking organic liquids, the colorants having the general formula ##STR1## where R1 is H, CF3, or alkyl having from 1 to 4 carbon atoms, R2 is H, or alkyl having from 1 to 4 carbon atoms,...	02/22/1977

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Class 8/521 - Oil, fat, wax, or gasoline dyeing