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| Number | Title | Issue Date |
| 8167958 | Multiple step dyeing textile with concentrated dye systems The present invention relates to a process for dyeing sheetlike textile materials with a dye, which comprises a concentrated dye system being applied in a total amount of 1% to 25% by weight, based on the textile material, to the textile material in two or more sub-... | 05/01/2012 |
| 7398660 | Dyeing apparatus and method therefor A dyeing apparatus and method for continuous dyeing of a fabric article with dye, the apparatus including: (a) a dyeing vessel for containing a high-density liquid; (b) a heating mechanism, thermally associated with the dyeing vessel, for heating a dye fixation zone... | 07/15/2008 |
| 6533824 | Method for restoring original color to bleached regions of nylon carpets A new method for spot dying nylon carpet requires no color theory nor use of a color wheel. The new method is distinguished from prior art methods primarily by the fact that the focus in on the hue of the spot at any given moment during the process, and t... | 03/18/2003 |
| 6383231 | Mixture for the oxidation tinting of keratin fibres containing a laccase and tinting method using said mixture The invention relates to a ready-to-use mixture for tinting keratin fibres, especially human keratin fibres such as hair, comprising in a support material suitable for keratin materials: a) at least one laccase-type enzyme; at least one anionic surface-ac... | 05/07/2002 |
| 6056790 | Method for automated dyebath reuse The present invention is a fully automated modified batch dyeing process that provides a process that reduces water consumption, reduces environmental pollution, and reduces the energy and chemical consumption of the conventional batch dyeing process thro... | 05/02/2000 |
| 5431698 | Process for oxidative dyeing and re-dyeing of human hair A new multi-step process for dyeing human hair achieving improved coverage and gentle treatment of the hair and, in addition, allowing the production of numerous hair dye shades using a relatively small number of hair dye compositions, which process consi... | 07/11/1995 |
| 5366511 | Wool dyeing utilizing controlled dye addition A process for the dyeing of a fibrous article containing wool with an anionic dye and products processed thereby. The process includes immersing the article in a dyeing bath of a liquid solvent for the anionic dye. The liquid solvent and the article are h... | 11/22/1994 |
| 5330538 | Salt-and-pepper denim A method for producing a dyed cotton fabric having an improved characteristic salt-and-pepper look and the product thereof. The process includes forming a plurality of individual cotton yarns having a twist multiple value of at least 4.6 and, preferably, ... | 07/19/1994 |
| 5318598 | Nonaqueous polyamide dyeing process utilizing controlled dye addition A process for the dyeing of a fibrous article containing fibers of a polyamide polymer with at least one anionic dye. The process includes immersing the article in a liquid dyeing bath of a substantially nonaqueous solvent medium and heating to a temperat... | 06/07/1994 |
| 5268005 | Method for ring-dyeing nylon filaments with indigotine dye for tooth-brushes A method for dyeing nylon filaments for use in wear-indicating toothbrushes includes immersing a batch of a first nylon filament for between 10 minutes and 80 minutes in an aqueous solution containing between 0.01% and 0.19% weight to volume of Indigotine... | 12/07/1993 |
| 5230709 | Polyamide dyeing process utilizing controlled anionic dye addition A process for the dyeing of a fibrous article containing fibers of a polyamide polymer with an anionic dye and dyed products made by the process. The process includes immersing the article in a dyeing bath of a liquid solvent for the anionic dye. The liqu... | 07/27/1993 |
| 5061290 | Rope dyeing process using halogen indigo derivative and dyed article thus obtained Disclosed is a dyeing process for rope dyeing denim cotton yarns a fashion blue color which comprises the steps of forming the yarns into a rope; repeatedly immersing the rope in a dye bath containing a reduced water soluble form of a halogenated indigo d... | 10/29/1991 |
| 4715863 | Process for dyeing hydrophobic fibre material from aqueous bath containing untreated disperse dye and to adjust the exhausted dye bath for further use A process is described for dyeing hydrophobic fibre material with unfinished disperse dyes from an aqueous liquor, which comprises dissolving one or more such dyes in water at a temperature of 50° to 150° C. by means of a surfactant or surfactant mixtur... | 12/29/1987 |
| 4681594 | Process for disperse dyeing dry-spun atactic polyvinyl chloride-based filaments and fibres before drawing The invention relates to a process for continuous dyeing of filaments based on atactic polyvinyl chloride in the course of their production. The undrawn filaments are impregnated with a composition containing at least one plastosoluble dye while they have a de... | 07/21/1987 |
| 4613336 | Knitted fabric produced from indigo-dyed yarn Indigo dyed cotton yarn suitable for producing indigo dyed cotton knitwear, and method of producing it, comprising passing a cotton rope consisting of a plurality of yarn threads through a plurality of baths of indigo dyed liquor, allowing the dye to oxid... | 09/23/1986 |
| 4152113 | System for dyeing hosiery goods A system for continuously reusing and recycling water and chemicals in consecutive dyeing cycles wherein hosiery goods are placed in a vat and subjected to dyeing, rinsing and finishing operations. The unabsorbed dye bath, rinse waste water and finish was... | 05/01/1979 |
| 3993435 | Gradient dyeing of lenses A gradient dyeing machine employing a motor driven threaded camshaft to simultaneously rotate a symmetrical cam of appropriate configuration at the end of the shaft and move a ramp-shaped arm pivotally attached to a threaded carriage riding on the camshaf... | 11/23/1976 |
| 3958929 | Dyestuff preparations Pressing of uniform shape and uniform weight of disperse dyestuffs and optical brightening agents with a solubility in water less than 0.5% at 20°C which are suitable for an automate metering step and which disintegrate in aqueous dye baths to give dispe... | 05/25/1976 |
