Patents Examined by Caroline D. Liott
  • Patent number: 5984975
    Abstract: A method or composition for dyeing keratinous fibres using as an oxidation dye precursor a 3-substituted para-aminophenol of formula: ##STR1## where R.sub.1 represents alkyl, alkenyl, mono- or polyhydroxyalkyl, cyano, cyanoalkyl, halogenoalkyl, aminoalkyl or alkoxyalkyl and R.sub.2 represents hydrogen, alkyl or mono- or polyhydroxyalkyl, provided that when R.sub.2 is hydrogen R.sub.1 is not methyl or trifluoromethyl, and addition salts thereof with an acid.
    Type: Grant
    Filed: June 4, 1997
    Date of Patent: November 16, 1999
    Assignee: L'oreal
    Inventors: Alain Lagrange, Jean Jacques Vandenbosche, Jean Cotteret, Marie Pascale Audousset
  • Patent number: 5984974
    Abstract: To provide gloss to a woolen fiber by adhering silk fibroin to the woolen fiber firmly and uniformly, a woven woolen fiber subjected to anionic processing is infiltrated with a silk fibroin solution, a cationic polymer resin is dissolved in the solution, and the cationic polymer resin is ion bonded to the woolen fiber to fix silk fibroin fine particles to the woolen fiber.
    Type: Grant
    Filed: February 4, 1999
    Date of Patent: November 16, 1999
    Assignees: Toa Wool Spinning & Weaving Co., Ltd., Toru Itoi
    Inventors: Kiyohiro Shibata, Toru Itoi
  • Patent number: 5980585
    Abstract: A composition for the oxidation dyeing of keratinous fibers comprising at least one imidazopyridine derivative as coupler and at least one oxidation base and the use of such an imidazopyridine derivative as a coupler, in combination with at least one oxidation base, for the oxidation dyeing of keratinous fibers and the dyeing processes employing them.
    Type: Grant
    Filed: December 16, 1998
    Date of Patent: November 9, 1999
    Assignee: L'Oreal
    Inventors: Eric Terranova, Aziz Fadli, Alain Lagrange
  • Patent number: 5980581
    Abstract: A process for desizing and cleaning fabrics and garments which produces a substantially desized fabric or garment while holding the dye that is removed from the garment in suspension in the bath is disclosed. The process includes the steps of immersing the woven fabric or garments in an aqueous bath containing from about 1.0% to about 8.0% owg of a desizing agent and maintaining the fabric in the desizing bath for a time sufficient to desize the goods while minimizing the removal of dye present in the goods. The desizing agent includes from about 1.0% to about 100% by weight of the desizing agent of a clay and up to about 10% by weight of the desizing agent of at least one surfactant.
    Type: Grant
    Filed: September 8, 1998
    Date of Patent: November 9, 1999
    Assignee: The Virkler Company
    Inventors: Wayne Patterson, Jr., Robert Scott Mauney, Drayton Timms Virkler
  • Patent number: 5980587
    Abstract: A method for dyeing keratin fibers such as human hair by applying to the fibers a dye composition, in particular a lightening dye composition, containing, in a medium which is suitable for dyeing, at least one direct dye to be mixed at the time of use, at basic pH, with an oxidizing agent, wherein the dye composition a has a basic pH and contains, as direct dye, at least one dye containing an optionally delocalizable quaternized nitrogen atom and a --Z.dbd.N-- bond in which Z denotes a nitrogen atom or a --CH-- radical. The invention is also directed to a ready-to-use composition and a multi-compartment dyeing device for dyeing keratin fibers.
    Type: Grant
    Filed: May 18, 1998
    Date of Patent: November 9, 1999
    Assignee: L'Oreal
    Inventor: Henri Samain
  • Patent number: 5980584
    Abstract: The novel primary intermediate, 1-(5-amino-2-hydroxyphenyl)ethane-1,2-diol and a method for producing same, are disclosed. The novel intermediate can be employed as a replacement for p-aminophenol in oxidation dye formulations.
    Type: Grant
    Filed: November 3, 1998
    Date of Patent: November 9, 1999
    Assignee: Bristol-Myers Squibb Company
    Inventors: Mu-III Lim, Linas R. Stasaitis, Yuh-Guo Pan, Michael Y. M. Wong
  • Patent number: 5980588
    Abstract: A method for surface coloring plastic objects after manufacture. The method consists of a first step for impregnating a printed paper substrate, whereon pigments of the family known as disperse inks and/or sublimatic inks are deposited within the printing inks, with an aqueous solution of a solvent which activates the print and is capable of activating the surface of the plastic to be treated. Another step consists in covering the parts of the object to be treated with the paper substrate and in then removing the substrate and drying the parts. The final step consists of introduction into an atmosphere of vapors of a product which is a solvent for the pigments, for a time sufficient to fix the pigments to the surface.
    Type: Grant
    Filed: September 8, 1998
    Date of Patent: November 9, 1999
    Assignee: Aurochim Industria S.r.l.
    Inventor: Osvaldo Valmassoi
  • Patent number: 5976196
    Abstract: An improved method for fixing color of a dyed textile by coating a dyed textile with a mixture of (i) an aminopolyamide-epichlorohydrin resin and (ii) a glyoxylated acrylamide-dimethyl diallyl ammonium chloride resin.
    Type: Grant
    Filed: June 15, 1998
    Date of Patent: November 2, 1999
    Assignee: Callaway Corporation
    Inventors: Anthony B Cooper, Richard T. Underwood, Geoffrey A. Monteith, Michael D. Wright
  • Patent number: 5976195
    Abstract: An oxidation dye composition for keratin fibers, in particular for human keratin fibers such as the hair, comprising, in a medium which is suitable for dyeing, at least one oxidation dye precursor and optionally one or more couplers, and also an anionic amphiphilic polymer containing at least one hydrophilic unit, and at least one allyl ether unit containing a fatty chain. The oxidation dye compositions are used in dyeing processes and dyeing kits.
    Type: Grant
    Filed: May 20, 1997
    Date of Patent: November 2, 1999
    Assignee: L'Oreal
    Inventors: Roland de la Mettrie, Fran.cedilla.oise Boudy
  • Patent number: 5972044
    Abstract: An aqueous or aqueous-alcoholic composition for dyeing natural or synthetic fibers, especially hair, contains a combination of at least one cyclic oxo-substituted enediol according to formula I: ##STR1## wherein R.sub.1 and R.sub.2 are the same or different and independently of each other represent a hydrogen atom or an alkali metal atom, or R.sub.1 and R.sub.2 together represent an alkaline earth metal atom and n=0, 1, 2 or 3; and at least one member selected from the group consisting of malonic acid dinitrile, maleic acid diaminodinitrile, 2,5-diamino-6-nitropyridine, 1,2,3,4-tetrahydro-6-nitroquinoxaline, 7-amino-3,4-dihydro-6-nitro-2H-1,4-benzoxazine and substituted nitrobenzene compounds; as well as water and at least one cosmetic ingredient including solvents other than water, surfactants, thickeners, care materials and adjuvant materials.
    Type: Grant
    Filed: March 23, 1998
    Date of Patent: October 26, 1999
    Assignee: Wella AG
    Inventors: Hans-Juergen Braun, Pascal Andre Semadeni
  • Patent number: 5972043
    Abstract: A device that is useful for the mixing and application of hair coloring products comprises a mixing and application brush with a handle that is attached to a brush portion. The handle is adapted to be received by and work with a rotating hand tool. The brush portion includes a brush base that is generally spatulate in shape and includes at least one mixing aperture. Bristles are also included for applying the mixture to a client's hair. Moreover, a two-piece mixing bowl, having a lower portion and an upper portion is provide. The upper portion of the mixing bowl has an aperture that is designed to receive the handle of the brush and allow the brush to be rotated within the bowl by the hand tool. The brush and mixing bowl may be provided in an convenient kit form and a method for using the same is provided.
    Type: Grant
    Filed: March 17, 1998
    Date of Patent: October 26, 1999
    Inventors: Tim Galvan, Hortencia Galvan
  • Patent number: 5972042
    Abstract: Methods of dyeing a material, comprising treating the material with a dyeing system which comprises (a) one or more mono-, di- or polycyclic aromatic or heteroaromatic compounds, and (b) (i) a hydrogen peroxide source and an enzyme exhibiting peroxidase activity or (ii) an enzyme exhibiting oxidase activity on the one or more aromatic or heteroaromatic compounds; wherein the material is a fabric, yarn, fiber, garment or film made of cotton, diacetate, flax, linen, lyocel, polyacrylic, synthetic polyamide, polyester, ramie, rayon, tencel, or triacetate.
    Type: Grant
    Filed: December 19, 1996
    Date of Patent: October 26, 1999
    Assignees: Novo Nordisk A/S, Novo Nordisk Bio-Chem North America
    Inventors: Martin Barfoed, Ole Kirk
  • Patent number: 5968206
    Abstract: A ready-to-use composition for the oxidation dyeing of keratinous fibers, especially of human keratinous fibers such as hair, which comprises, in an alkaline medium (pH>7), an appropriately selected para-phenylenediamine derivative in combination with 4-hydroxyindole and an oxidizing agent, and dyeing processes using this composition.
    Type: Grant
    Filed: June 30, 1998
    Date of Patent: October 19, 1999
    Assignee: L'Oreal
    Inventors: Marie-Pascale Audousset, Jean Cotteret
  • Patent number: 5964898
    Abstract: An oxidation dyeing composition for keratinous fibers containing, in a medium appropriate for dyeing, at least one oxidation dye precursor selected from 2-(.beta.-hydroxyethyl)-para-phenylenediamine or its acid addition salts, at least one first coupler selected from 2-methylresorcinol or at least one acid addition salt thereof, and at least one second coupler selected from resorcinol or at least one acid addition salt thereof, and methods for dyeing keratinous fibers, especially hair, with such compositions.
    Type: Grant
    Filed: December 3, 1997
    Date of Patent: October 12, 1999
    Assignee: L'Oreal
    Inventors: Jean Cotteret, Marie-Pascale Audousset
  • Patent number: 5961666
    Abstract: A 2-Substituted-1-naphthol of the formula: ##STR1## wherein R.sub.1 is C.sub.1 -C.sub.6 alkyl or monohydroxy C.sub.1 -C.sub.6 alkyl couples with a primary intermediate of the formula: ##STR2## wherein R is C.sub.1 -C.sub.6 alkyl or monohydroxy C.sub.1 -C.sub.6 alkyl to produce an oxidative dye.
    Type: Grant
    Filed: November 19, 1997
    Date of Patent: October 5, 1999
    Inventors: Mu-Ill Lim, Yuh-Guo Pan, James S. Anderson
  • Patent number: 5961668
    Abstract: Compounds of the formula (I): ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 independently of one another may represent a hydrogen atom, a (C.sub.1-4) alkyl group, a hydroxy (C.sub.2-3) alkyl group, an alkoxy (C.sub.2-3) alkyl group, an amino (C.sub.2-3) alkyl group or a 2,3-dihydroxypropyl group and R.sub.5 and R.sub.6 independently of one another may represent hydrogen or a (C.sub.1-4) alkyl group, are made by reacting 2,4-dinitrohalobenzenes with 4-hydroxymethyl-1,3-dioxolanes under alkaline conditions to form 4-(2,4-dinitrophenoxymethyl)-1,3-dioxolanes, which are further reduced to the compounds of formula (I). In an alternate process, the 4-hydroxymethyl-1,3-dioxolanes are reacted with 4-halo-3-nitranilines or 2-halo-5-nitranilines, the product further reacted first under basic conditions with chloroformic acid ester followed by treatment with strong base, alkylation or alkoxylation, reduction, and optionally further alkylation of alkoxylation to arrive at the compounds (I).
    Type: Grant
    Filed: May 13, 1998
    Date of Patent: October 5, 1999
    Assignee: Hans Schwarzkopf GmbH & Co. KG
    Inventors: Mustafa Akram, Wolfgang Bauer, Andreas Bittner, Astrid Kleen
  • Patent number: 5961667
    Abstract: A new oxidizing agent composition for mixing with oxidation dye pre-cursor compounds, such as developer and coupler substances, to form a ready-to-use dye mixture for dyeing keratin fibers is described. The oxidizing agent composition contains from 0.01 to 25 percent by weight of at least one alkaline earth peroxide, based on the ready-to-use dye mixture, and from 0.01 to 25 percent by weight of at least one inorganic or organic acid, salt of the at least one organic or inorganic acid or mixture of the salt and/or the at least one acid, based on the ready-to-use dye mixture.
    Type: Grant
    Filed: January 30, 1998
    Date of Patent: October 5, 1999
    Assignee: Wella AG
    Inventors: Annelie Doehling, Dirk Lauscher
  • Patent number: 5961665
    Abstract: A composition for a powdered hair dye includes an oxidative dye component, an oxidizing component and a thickening component. Other additives including protein derivatives and sucrose may also be utilized. The powdered dye composition may be placed into an applicator container so that the container is partially filled with the dye composition. Then when the user desires to use the dye, water is added to the container, the container shaken to mix the water and the powdered dye composition, and the mixture is then applied to the hair using an application mechanism which allows for easy and efficient application of the dye to the hair.
    Type: Grant
    Filed: January 7, 1998
    Date of Patent: October 5, 1999
    Inventor: Yoram Fishman
  • Patent number: 5961664
    Abstract: An anthraquinone mixture comprising three 1,4-hydroxyalkylamino-anthraquinone derivatives, wherein two of the anthraquinone compounds in the mixture are symmetric and the other anthraquinone compound is asymmetric, and wherein each of the anthraquinone compounds has similar polarities. The anthraquinone mixtures are used in compositions and methods for the direct dyeing of keratinous fibers, particularly human hair on the head.
    Type: Grant
    Filed: July 10, 1997
    Date of Patent: October 5, 1999
    Assignee: Bristol-Myers Squibb Company
    Inventor: James S. Anderson
  • Patent number: 5958084
    Abstract: A permanent hair dyeing composition which contains an oxidation dye precursor, a coupler, an oxyalkylenized xanthane gum, and a salt of an inorganic or organic acid, and hair dyeing processes with such compositions.
    Type: Grant
    Filed: January 21, 1997
    Date of Patent: September 28, 1999
    Assignee: Kao Corporation
    Inventors: Yutaka Shibata, Kumi Sugino, Jiro Kawase