Abstract: Composition and method of removing a coating painted on a surface. The method involves applying to the surface an acetone based composition containing an organosilicon compound, rubbing the acetone based composition into the surface, and removing from the surface the painted coating and the acetone based composition. The composition is a mixture of 1 to 75 percent by weight of acetone; 1 to 10 percent by weight of water; and 1 to 20 percent by weight of a volatile silicone fluid. The volatile silicone fluid having a vapor pressure of less than 0.10 mm Hg.
Abstract: The invention relates to a process for dyeing fur skins with oxidation dyes following a pretreatment, which comprises pretreating the fur skins with a metal mordant that contains glyoxylic acid.
Abstract: The new process for dyeing polyamide fibers with acid dyestuffs, in which small amounts of metal salts are added to the dyebath, gives dyeings having improved lightfastness.
Type:
Grant
Filed:
September 8, 1994
Date of Patent:
October 31, 1995
Assignee:
Bayer Aktiengesellschaft
Inventors:
Jurgen Rohr, Martin Riegels, Sylvia Lohmann
Abstract: Compositions comprising chemically synthesized or biosynthetic water-soluble melanin and at least one water dispersible cationic material which, when combined with the melanin, forms a composition that is suitable for use as a temporary haircolor. A process for temporarily coloring hair using those compositions.
Abstract: Sulfated metaaminophenols are disclosed and have the formula ##STR1## where: Z is alkyl, aralkyl, monohydroxyalkyl, polyhydroxyalkyl, aryl, aminoalkyl;R.sub.1 is hydrogen, alkyl, monohydroxyalkyl, polyhydroxyalkyl, monocarbamylalkyl, dicarbamylalkyl, aminoalkyl, acylaminoalkyl, carbalkoxyalkyl, carbamyl, or monoalkylcarbamyl;R.sub.2 is hydrogen, alkyl, monohydroxyalkyl, alkoxy;and their acid salts.Intermediate products used for their preparation are also disclosed. These sulfated metaaminophenols are used to dye keratinous fibers.
Type:
Grant
Filed:
October 4, 1993
Date of Patent:
September 19, 1995
Assignee:
L'Oreal
Inventors:
Alex Junino, Alain Lagrange, Alain Genet
Abstract: Disclosed are compositions and methods for inhibiting the uptake of proteins and reducing the formation of lysozyme deposits on the outer surface and inner bulk matrix of hydrophilic contact lenses. The method comprises contacting a contact lens with a positively charged chemical which imparts a tint to the lens.
Abstract: A method of dyeing polypropylene fiber to create areas of different color on the fiber. A first dye solution containing a disperse dye and a dye-promoting agent is applied to substantially the entire surface of the fiber to cover the fiber with a first color. Thereafter, and while the fiber surface is still wet with the first dye solution, a second dye solution containing a disperse dye of a second color is applied only to selected discontinuous areas of the fiber. The second dye solution displaces the first dye solution in those areas of the fiber surface to which the second dye solution is applied. Then, the fiber is subjected to an elevated temperature high enough, and for a period of time sufficient, to fix the dyes in the fiber. Preferably, the second dye solution is more viscous than the first dye solution. After the dye fixation step, the fiber is scoured to remove excess dye. If desired, the second dye solution also contains a dye-promoting agent.
Type:
Grant
Filed:
February 10, 1994
Date of Patent:
September 5, 1995
Assignee:
DKE Incorporated
Inventors:
David R. Kelly, Hobert C. Sweatman, Robert R. Hixson
Abstract: A method for imparting a softer handle to cellulosic fibres which comprises treating the fibres with a) an amino functional polymer and b) silicone polymer capable of reacting with the reactive groupings of the amino functional polymer, so as to cause the polymers a) and b) to be applied to the cellulosic fibres. The method may be performed either as a continuous process or as a batch process.
Type:
Grant
Filed:
April 12, 1993
Date of Patent:
August 29, 1995
Assignee:
Precision Processes Textiles
Inventors:
David L. Connell, Kenneth M. Huddlestone, Anthony Szpala
Abstract: A composition for dyeing keratinous fibers includes, in a suitable dyeing medium, at least one oxidation dye precursor and at least one coupler of formula (I) ##STR1## wherein R is hydrogen, C.sub.1 -C.sub.4 lower alkyl, C.sub.1 -C.sub.6 monohydroxyalkyl, C.sub.2 -C.sub.6 polyhydroxyalkyl, or alkylcarbonyl where the alkyl groups have one to four carbon atoms, or the acid addition salts thereof. Also disclosed is a method of dyeing hair using the disclosed composition, certain novel meta-aminophenols and the use of the latter as couplers.
Type:
Grant
Filed:
December 21, 1993
Date of Patent:
August 22, 1995
Assignee:
L'Oreal
Inventors:
Alex Junino, Nicole Bonaventure, Alain Lagrange
Abstract: A process comprising the reduction of textile dyestuffs in an aqueous alkaline medium by means of a reducing compound which is a complex of an organic complexing agent and an iron (II)-salt. The iron (II)-salt is present in an amount sufficient to ensure the desired reduction of the dyestuff after a single oxidation.
Type:
Grant
Filed:
December 19, 1994
Date of Patent:
August 22, 1995
Assignee:
Verein zur Forderung der Forschung und Entwicklung in der Textilwirtschaft
Abstract: A process for increasing the amount of melanin formation following hair dyeing by ferricyanide oxidation of a dopa species hair colorant utilizing a post-oxidant such as sodium periodate at a controlled pH and compositions and kits for use in the process.
Abstract: A wet process with no heating for continuous transfer pattern printing of a cellulose fabric web or its blends by using a corona-treated plastic film as a pattern carrier web and a dye admixed with a thickening agent containing water-soluble and alcohol-soluble hydroxypropyl cellulose or polyvinyl pyrrolidone as ink.
Abstract: A process for dyeing wool-containing fibre materials with anionic dyes, which comprises dyeing said materials in the presence of a wool protective agent which is a reaction product of an epihalohydrin and an amine of formulaR--NH.sub.2 (1),wherein R is as defined in the claims. Rubfast, level dyeings without impairment of wool quality are obtainable by the process.
Abstract: A process of dyeing hair by preparing and applying to the hair an aqueous reaction medium comprising an aminoethanethio substituted dihydroxybenzene and a periodate, iodate, ferricyanide or persulfate oxidizing agent, the composition optionally containing a color modifier selected from the group consisting of direct dyes, primary intermediates, couplers, cysteine, dopa species and mixtures thereof, additionally containing a buffer to maintain the pH in the range from 2 to 11 during the oxidation reaction; and removing the aqueous reaction medium from the hair after formation of the desired color and compositions and kits for practicing such processes. The reaction medium may be formed by simultaneous addition of the dihydroxybenzene and the oxidant to the hair or by addition of the dihydroxybenzene followed by addition of the oxidant.
Abstract: A method for the treatment of denim fabrics or garments to achieve a worn or distressed look wherein treatment comprises contacting a plurality of denim fabrics or garments with an effective amount of a foam composition which contains an effective amount of a cellulase enzyme. The enzyme is capable of altering the color depth of the dye in the fabric materials. The garments or fabrics are vigorously tumbled so that they repeatedly contact and rub against one another so that abrasive rubbing contact between the garments or fabrics is ensured, which imparts a worn or distressed look to the fabrics or garments.
Type:
Grant
Filed:
May 28, 1993
Date of Patent:
July 25, 1995
Assignee:
Dexter Chemical Corp.
Inventors:
L. Thomas Holst, Casey Bownds, Richard Craven, Robert Waddell
Abstract: 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 consists of the following steps:a) Application of an alkaline oxidation hair dye composition comprising at least one developing substance and at least one coupling substance as well as an oxidizing agent mainly onto that part of the human hair which is next to the scalp, whereby the mixture is adjusted to the hair shade desired for the total dyeing result;b) rinsing and shampooing of the hair after completed processing of the dyeing composition;c) application of an acidic oxidation hair dye composition comprising at least one developing and at least one coupling agent as well as an oxidizing agent, to the total hair, andd) rinsing of the hair after complete processing of the hair dye.
Type:
Grant
Filed:
March 11, 1994
Date of Patent:
July 11, 1995
Assignee:
Goldwell AG
Inventors:
Jurgen Tennigkeit, Heribert Lorenz, Guenter Much
Abstract: The invention relates to indoline compounds of formula (I): ##STR1## in which: R.sub.1 and R.sub.2 denote hydrogen, alkyl, monohydroxyalkyl, polyhydroxyalkyl, nitro, hydroxyl, alkoxy or NHR where R can be hydrogen, alkyl, monohydroxyalkyl or polyhydroxyalkyl;X denotes oxygen or sulfur;R.sub.3 represents --OR.sub.4 or NR.sub.5 R.sub.6 whereR4 denotes alkyl, alkenyl, benzyl, alkoxyalkyl or haloalkyl;R.sub.5 and R.sub.6 denote alkyl;R.sub.1 and R.sub.2 not simultaneously denoting hydrogen or nitro and when R.sub.1 denotes alkyl, alkoxy or mono- or polyhydroxyalkyl, R.sub.2 denotes NHR or hydroxyl,and to their use in dyeing keratinous fibers.
Type:
Grant
Filed:
December 14, 1993
Date of Patent:
June 27, 1995
Assignee:
L'Oreal
Inventors:
Alain Lagrange, Jean J. Vandenbosche, Herve Andrean
Abstract: Hair dye compositions without sensitizing potential but with improved dyeing properties for all shades comprise only 2-(2'-hydroxyethylamino)5-aminotoluene or the salts thereof as developing agent, or preferably in combination with the usual coupling agents, excluding 1-methoxy-2,4-diaminobenzene and 1-ethoxy-2,4-diaminobenzene.
Abstract: Aqueous dye compositions containing sodium chlorite together with 5,6-dihydroxyindoline or 5,6-dihydroxyindole, its analogs, homologs or derivatives, methods of using the compositions to color hair and packages containing such compositions.
Abstract: A composition for dyeing hydrophobic materials, such as polyester fiber materials, with a clear and sharp color fastness contains at least one benzodifuranone compound represented by a formulae (I) and at least one benzodifuranone compound represented by a formula (II), wherein the weight ratio of the at least one benzodifuranone compound represented by formula (I) to the at least one benzodifuranone compound represented by formula (II) is 90:10 to 10:90.