Patents by Inventor Gerhard Lugert

Gerhard Lugert has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20230027876
    Abstract: The present invention relates to a process for the production of impregnated wood pieces for use in pencil production, and pencils with shafts including such impregnated wood pieces, wherein the process comprises two process stages, namely a) a first process stage, comprising a first impregnation step, in which an untreated wood piece is at least partially, impregnated with a first aqueous impregnating solution of an impregnating agent selected from the group consisting of 1,3-dimethylol-4,5-dihydroxyethylene urea or a derivative or modification thereof, and a catalyst, and a subsequent curing step, in which the impregnated wood piece is cured in a hot steam atmosphere at an elevated temperature above 100° C., and b) a second process stage comprising a second impregnation step, whereby the impregnated, cured wood piece is at least partially impregnated with a second aqueous impregnating solution of a wax emulsion paraffin based as an impregnating agent.
    Type: Application
    Filed: July 21, 2022
    Publication date: January 26, 2023
    Inventors: Vladimir A. Bazan BARROSO, Felipe Zatt SCHARDOSIN, Tatiane de Mattos AMADIO, Gerhard LUGERT
  • Patent number: 11542401
    Abstract: A whitish writing and/or marking fluid, in particular white writing and/or marking fluid, for writing instruments, in particular for capillary writing instruments, or for cosmetic applications, that has a viscosity of less than 30 mPa s (Brookfield, 20° C., cone plate CPE-40), and contains 5 to 15 wt % of an anionic dispersion of a hard resin, an aqueous titanium dioxide dispersion, and a preservative.
    Type: Grant
    Filed: April 15, 2019
    Date of Patent: January 3, 2023
    Assignee: Faber-Castell AG
    Inventors: Tatiana Appel, Gerhard Lugert, Kurt Seidl
  • Publication number: 20210292589
    Abstract: The invention relates to a graphite lead or graphite chalk or graphite block for drawing and painting, having a base body made of a base mass at least containing a cellulose-based binding agent, a filler, and graphite, the base body being impregnated with a waterproof preparation mixture containing at least a mixture of iso-paraffins and n-paraffins or a water-soluble preparation mixture containing at least a water-soluble emulsifier. The invention also relates to a pencil with such a graphite lead and to a method for producing a graphite lead or graphite chalk or a graphite block.
    Type: Application
    Filed: March 22, 2021
    Publication date: September 23, 2021
    Inventors: Reiner APPEL, Joachim KINZEL, Silke BACHMANN, Gerhard LUGERT
  • Patent number: 11072718
    Abstract: An aqueous writing, marking and/or drawing liquid is configured for capillary systems, more particularly for applicator implements having a capillary system. The liquid has a viscosity of less than 50 mPas, more particularly less than 20 mPas (Brookfield, 20° C., cone-plate CPE-40). The liquid contains a wetting agent, graphite having a carbon content of between 95 and 99.9 wt %, an ash content of between 0.1 and 5 wt %, and a particle size ?20 ?m at D90, and at least one release agent, more particularly in a concentration of 2 to 15 wt %. The release agent contains barium sulfate and/or an aqueous, highly mobile, nonsedimenting colloidal dispersion of nanoparticulate silicon dioxide particles.
    Type: Grant
    Filed: January 13, 2020
    Date of Patent: July 27, 2021
    Assignee: Faber-Castell AG
    Inventors: Tatiana Appel, Baukis Heuler, Gerhard Lugert
  • Publication number: 20210130638
    Abstract: A core or crayon for writing and/or coloring has 15 wt % to 30 wt % of a core base material based on fat and on wax, and 40 wt % to 80 wt % of at least one filler, and 0.1 wt % to 30 wt % of at least one colorant. The core base material includes, based on the total mass of the core, 0.5 wt % to 10 wt % of aluminum distearate, 5 wt % to 20 wt % of oxidized polyethylene wax, and 5 wt %-22 wt % of at least one paraffin wax.
    Type: Application
    Filed: November 2, 2020
    Publication date: May 6, 2021
    Inventors: Vladimir Barroso, Eder D.J. Merola, Gerhard Lugert
  • Publication number: 20200224045
    Abstract: An aqueous writing, marking and/or drawing liquid is configured for capillary systems, more particularly for applicator implements having a capillary system. The liquid has a viscosity of less than 50 mPas, more particularly less than 20 mPas (Brookfield, 20° C., cone-plate CPE-40). The liquid contains a wetting agent, graphite having a carbon content of between 95 and 99.9 wt %, an ash content of between 0.1 and 5 wt %, and a particle size ?20 ?m at D90, and at least one release agent, more particularly in a concentration of 2 to 15 wt %. The release agent contains barium sulfate and/or an aqueous, highly mobile, nonsedimenting colloidal dispersion of nanoparticulate silicon dioxide particles.
    Type: Application
    Filed: January 13, 2020
    Publication date: July 16, 2020
    Inventors: TATIANA APPEL, BAUKIS HEULER, GERHARD LUGERT
  • Patent number: 10711151
    Abstract: A colored lead for writing, drawing and coloring implements, more particularly erasable, sintered colored lead, or to a colored chalk, more particularly erasable, sintered colored chalk, having a sintered lead or chalk base body which is formed from a lead or chalk base material containing at least one binder with a proportion of from 1 to 25% by weight and at least one filler with a proportion of from 25 to 99% by weight. The sintered lead or chalk base body is impregnated with at least one colorant and at least one lubricant.
    Type: Grant
    Filed: October 1, 2018
    Date of Patent: July 14, 2020
    Assignee: Faber-Castell AG
    Inventors: Vladimir Barroso, Eder D. J. Merola, Marcel Prado Atassio, Reiner Appel, Gerhard Lugert
  • Publication number: 20200062977
    Abstract: A writing, marking and/or drawing liquid, more particularly an aqueous, pigmented and/or water-blendable writing, marking and/or drawing liquid, is provided for capillary systems, more particularly for applicator implements having a capillary system. The liquid has a viscosity of less than 40 mPas, more particularly less than 10 mPas (Brookfield, 20° C., cone-plate CPE-40) and includes an aqueous pigment preparation, a binder, a base, and a dispersing wetting agent. The dispersing wetting agent includes an aqueous solution of a modified polymer having groups with pigment affinity. An applicator implement in which a writing, marking or drawing liquid of this kind is used is also provided.
    Type: Application
    Filed: August 22, 2019
    Publication date: February 27, 2020
    Inventors: WOLFGANG SCHWARZ, GERHARD LUGERT, CONCETTA GOSCHALA
  • Patent number: 10450476
    Abstract: A writing, marking and/or drawing liquid for writing implements, especially for capillary pens, which has a viscosity of less than 50 mPas (Brookfield, 20° C., CPE-40 plate-cone), contains a resin mixture dissolved in a solvent matrix having at least one solvent. Wherein the resin mixture contains a first resin in the form of a modified resin ester and/or a dissolved polyester resin and a second resin in the form of a maleate resin and/or a rosin, especially a phenol-modified rosin. Additives are present in the form of at least one fluorosurfactant as wetter and at least one polyethersiloxane copolymer as glidant.
    Type: Grant
    Filed: September 6, 2017
    Date of Patent: October 22, 2019
    Assignee: Faber-Castell AG
    Inventors: Wolfgang Schwarz, Gerhard Lugert, Concetta Goschala
  • Publication number: 20190315982
    Abstract: A whitish writing and/or marking fluid, in particular white writing and/or marking fluid, for writing instruments, in particular for capillary writing instruments, or for cosmetic applications, that has a viscosity of less than 30 mPa s (Brookfield, 20° C., cone plate CPE-40), and contains 5 to 15 wt % of an anionic dispersion of a hard resin, an aqueous titanium dioxide dispersion, and a preservative.
    Type: Application
    Filed: April 15, 2019
    Publication date: October 17, 2019
    Inventors: TATIANA APPEL, GERHARD LUGERT, KURT SEIDL
  • Publication number: 20190100673
    Abstract: A colored lead for writing, drawing and coloring implements, more particularly erasable, sintered colored lead, or to a colored chalk, more particularly erasable, sintered colored chalk, having a sintered lead or chalk base body which is formed from a lead or chalk base material containing at least one binder with a proportion of from 1 to 25% by weight and at least one filler with a proportion of from 25 to 99% by weight. The sintered lead or chalk base body is impregnated with at least one colorant and at least one lubricant.
    Type: Application
    Filed: October 1, 2018
    Publication date: April 4, 2019
    Inventors: Vladimir Barroso, Eder D.J. Merola, Marcel Prado Atassio, Reiner Appel, Gerhard Lugert
  • Publication number: 20180066156
    Abstract: A writing, marking and/or drawing liquid for writing implements, especially for capillary pens, which has a viscosity of less than 50 mPas (Brookfield, 20° C., CPE-40 plate-cone), contains a resin mixture dissolved in a solvent matrix having at least one solvent. Wherein the resin mixture contains a first resin in the form of a modified resin ester and/or a dissolved polyester resin and a second resin in the form of a maleate resin and/or a rosin, especially a phenol-modified rosin. Additives are present in the form of at least one fluorosurfactant as wetter and at least one polyethersiloxane copolymer as glidant.
    Type: Application
    Filed: September 6, 2017
    Publication date: March 8, 2018
    Inventors: WOLFGANG SCHWARZ, GERHARD LUGERT, CONCETTA GOSCHALA
  • Publication number: 20180021230
    Abstract: A lead or chalk or color tablet for writing, drawing and/or cosmetics purposes, contains at least one sugar and/or sugar alcohol and/or pentaerythritol, at least one cellulose derivative and/or starch derivative and at least one surfactant. The at least one surfactant is selected from the group of sulfuric acid fatty acid ester salts and/or fatty acid sulfoalkyl esters and/or ethoxylated forms of alkali metal fatty acid sulfates. A pencil having such a lead and to a method for producing a lead or chalk or color tablet are also provided.
    Type: Application
    Filed: May 10, 2017
    Publication date: January 25, 2018
    Inventors: HARALD VON GODIN, REINER APPEL, GERHARD LUGERT
  • Publication number: 20140170098
    Abstract: The invention relates to a nail varnish having a viscosity of less than 50 mPas (Brookfield LV, DV III Ultra Rheometer, spindle: 40, RPM: 10, 25° C.) and a composition of: 20% to 85% by wt. of an aqueous polymeric dispersion as film former, with a solids fraction of 20% to 60%, 5% to 20% by wt. of a humectant, 1% to 10% by wt. of a colorant formed at least partly of a color pigment, 0.1% to 0.5% by wt. of a phyllosilicate, 0.5% to 5% by wt. of a surfactant, 0% to 5% by wt. of an additive, and remainder of water.
    Type: Application
    Filed: December 16, 2013
    Publication date: June 19, 2014
    Applicant: FABER-CASTELL AG
    Inventors: GERHARD LUGERT, TATIANA APPEL, WOLFGANG KAUL
  • Patent number: 8703231
    Abstract: A lead for painting includes a water-insoluble lead basic mass in which a water-soluble dye is present. A method of painting with a lead is also provided.
    Type: Grant
    Filed: December 20, 2010
    Date of Patent: April 22, 2014
    Assignee: Faber-Castell AG
    Inventors: Gerhard Lugert, Reiner Appel, Harald von Godin, Joachim Kinzel
  • Patent number: 8454981
    Abstract: An aqueous cosmetic preparation for coloring the eyelids and eyebrows contains 0.1% by weight to 5% by weight of polyvinyl pyrrolidone; 4% by weight to 25% by weight of an alcohol from the group of ethanol and propanol; 2% by weight to 15% by weight of a dampening agent; 0.1% by weight to 5% by weight of polyoxyethylene glycerin fatty acid ester and/or polyether-modified polysiloxane; and a colorant. The cosmetic preparation has a viscosity of less than 50 mPas (Brookfield, 25° C.).
    Type: Grant
    Filed: October 22, 2007
    Date of Patent: June 4, 2013
    Assignee: Faber-Castell AG
    Inventors: Tatiana Appel, Gerhard Lugert
  • Patent number: 8388988
    Abstract: An aqueous cosmetic preparation for coloring of eyelids and eyebrows contains 3-35 wt. % of an aqueous plastic dispersion based on an acrylate polymer and having a 30-50% solids content, 1-20 wt. % of at least one alcohol being ethanol and/or propanol, 2-25 wt. % of at least one moisture-retention agent, 0.2-5 wt. % of a polyoxyethylene glycerin fatty acid ester and/or a polyether-modified polysiloxane, and a colorant. The preparation has a Brookfield viscosity at 25° C. of less than 50 mPa-sec.
    Type: Grant
    Filed: October 22, 2007
    Date of Patent: March 5, 2013
    Assignee: Faber-Castell AG
    Inventors: Gerhard Lugert, Tatiana Appel
  • Patent number: 8376644
    Abstract: A metallic ink includes 30% to 80% water, 0.4% to 10% color pigments having a particle size ?6 ?m, 1% to 15% dissolved resin from the group consisting of maleate resin and/or maleic acid modified rosin, 1% to 15% metallic pigments having a particle size distribution D50<25 ?m, 1% to 20% humectants, 0.1% to 10% additives and a viscosity of 5-10 mPa·s (Brookfield, CPE-40 spindle, 20 rpm). An applicator for applying the ink is also provided.
    Type: Grant
    Filed: January 24, 2011
    Date of Patent: February 19, 2013
    Assignee: Faber-Castell AG
    Inventors: Wolfgang Schwarz, Gerhard Lugert
  • Patent number: 8349411
    Abstract: A method for producing raised structures serving as grip nubs on a surface of a pencil, in which, with the help of a nozzle, a plastic preparation is applied. The plastic preparation includes a radiation-curable plastic mass and has the following composition: plastic mass formed from 40% to 98% wt.; oligomer and monomer photoinitiator system 0.1% to 30% wt.; amorphous silicon dioxide 0.3% to 30% wt.; and/or micronized amide wax colorant 0% to 60% wt.; filler 0% to 60% wt.; and further additives 0% to 10% wt.
    Type: Grant
    Filed: April 17, 2009
    Date of Patent: January 8, 2013
    Assignee: Faber-Castell AG
    Inventors: Udo Beck, Walter Oetter, Gerhard Lugert
  • Patent number: 8338523
    Abstract: A thermoplastic molding material contains between 10% and 35% by weight of an ethylene copolymer wax with hydrophilic groups, with a melting point between 75° C. and 110° C. and cellulose containing fibers with a share of between 45% and 90% by weight relative to the dry mass of the fibers. Molded bodies may be formed from the molding material, such as pencil casings.
    Type: Grant
    Filed: October 31, 2007
    Date of Patent: December 25, 2012
    Assignee: Faber Castell AG
    Inventors: Reiner Appel, Harald Von Godin, Gerhard Lugert