A method of combatting colour loss from a dyed material, the method comprising contacting the material with a composition comprising a polycarboxylic acid derived chelating agent.

A method of combatting colour loss from a dyed material, the method comprising contacting the material with a composition comprising an amine salt of a carboxylic acid wherein the carboxylic acid has 4 to 10 carbon atoms.

A method of combatting colour loss from a dyed material, the method comprising contacting the material with a composition comprising an alpha-substituted aldehyde.

A method of combatting colour loss from a dyed material, the method comprising contacting the material with a composition comprising an alpha-substituted aldehyde.

A method of combating colour loss from a dyed material, the method comprising contacting the material with a composition comprising a hydroxy-substituted aldehyde.

The present invention relates to a reactive dye bath and a dyeing process for textiles. The reactive dye bath for textiles comprises an organic solvent, an aqueous dye solution, a surfactant and a co-surfactant. The reactive dye bath or the dyeing process of the present invention allows for full up-take of the dye without subjecting the textiles to any special pre-treatment and without the addition of a salt for accelerating dyeing, so as to obtain dyed textiles with a higher dyeing depth, uniformity and fastness.

Methods for obtaining natural colorants from plant material (e.g., tobacco material) and for using such natural colorants to dye various substrates are provided. Natural colorants are obtained using particular enzymes and particular conditions (e.g., time, temperature, and pH profiles). Such colorants can be used to dye substrates, for example, using conventional dyeing techniques or using unique in situ methods.

A fabric treatment agent that is used in textile printing with a sublimable color material includes a color-material scavenging compound having an Rf value of 0.7 or less according to paper chromatography performed under following conditions. In Procedure 1, cellulose filter paper is impregnated with a 10% solution of the color-material scavenging compound and then dried to prepare a carrier. In Procedure 2, a 0.1% solution of a sublimable color material in tetrahydrofuran is spotted on the carrier and then dried to prepare a development sample. In Procedure 3, the development sample is developed using acetonitrile as a solvent for 3 minutes at 25 C. In Procedure 4, the Rf value is calculated by a following formula: $Rf=\frac{\left(\mathrm{distance}\mathrm{travelled}\mathrm{by}\mathrm{the}\mathrm{sublimable}\mathrm{color}\mathrm{material}\right)}{\left(\mathrm{distance}\mathrm{travelled}\mathrm{by}\mathrm{acetonitrile}\right)}.$

A method for the treatment of wool garments with ozone gas to control and inhibit their felting and shrinkage during their subsequent industrial finishing process and/or domestic washing care, and a wool garment treated with said method. The method includes wetting the garments and treating the garments inside the interior of a rotative tumbler for a time period of between 15 and 60 minutes at ambient temperature with ozone gas, the ozone gas being at a concentration in air of between 20 g ozone/Nm.sup.3 and 150 g ozone/Nm.sup.3, where the rotative tumbler which contains the garments is rotated at a speed of between 10 rounds/min and 25 rounds/min. The method is improved by adding treating the garments with enzymes.

A method for the treatment of wool garments with ozone gas to control and inhibit their felting and shrinkage during their subsequent industrial finishing process and/or domestic washing care, and a wool garment treated with said method. The method includes wetting the garments and treating the garments inside the interior of a rotative tumbler for a time period of between 15 and 60 minutes at ambient temperature with ozone gas, the ozone gas being at a concentration in air of between 20 g ozone/Nm.sup.3 and 150 g ozone/Nm.sup.3, where the rotative tumbler which contains the garments is rotated at a speed of between 10 rounds/min and 25 rounds/min. The method is improved by adding treating the garments with enzymes.