Patents for C09D 13 - Pencil-leads; Crayon compositions; Chalk compositions (802)
06/2008
06/18/2008CN101200610A Technical formula of rubber plastic wood-like pencil and manufacturing process therefor
06/10/2008US7384459 Crayon
05/2008
05/28/2008CN201064990Y Pencil writing-core
05/14/2008CN101177559A Dust-free traditional medicine sanitation chalk and method for producing the same
05/07/2008CN100386393C Tailor's chalk and its making process
04/2008
04/23/2008EP1169398B1 Use of an alkylcellulose and/or hydroxyalkylcellulose for increasing the tensile, breaking and flexural strength of coloured leads and coloured pencils containing the same
04/03/2008US20080078301 sticks; cosmetic pencils; homogeneous; polysaccharide solution and an aqueous solution of a precipitation agent; improved flow properties upon extrusion; low pressures in the extrusion operation; has a pleasant feel on the skin; eye shadow, matte lip powder
03/2008
03/26/2008EP1805269B1 Process for the production of pigment-bearing leads
03/13/2008WO2008029691A1 Crayon and method for producing the same
03/13/2008WO2008029690A1 Crayon and method for producing the same
03/13/2008DE102005055193B4 Mine für Schreib-, Zeichen- oder Malgeräte Mine for writing, drawing or painting devices
01/2008
01/29/2008CA2292467C Marking composition and method for marking dark substrates
01/24/2008DE10236681B4 Weich-abreibbarer Farb-/Markierstift und Verfahren zu dessen Herstellung Soft abradable ink / marker and process for its preparation
01/17/2008WO2008007643A1 Crayon
01/17/2008WO2008007642A1 Process for production of black crayon
12/2007
12/20/2007US20070289482 Color lead for a writing device, drawing device or painting device
12/12/2007CN101085584A Environmental protection chalk
11/2007
11/20/2007US7297732 Wet surface writing; mixture of coloring agent, gelation agent, binder and solvent
11/06/2007US7291210 Solid drawing material and method for producing the same
11/01/2007WO2007123311A1 Harmless chalk using clay minerals
10/2007
10/11/2007WO2007112869A1 Aqueous solid paint composition comprising a salt of a fatty acid
10/11/2007CA2647679A1 Aqueous solid paint composition comprising a salt of a fatty acid
10/10/2007CN101050328A Charcoal bar
10/03/2007EP1840173A1 Aqueous solid paint composition comprising a salt of a fatty acid
10/03/2007CN101045418A Processing technology of pencil
09/2007
09/12/2007CN101033354A Water-based multipurpose painting pen
09/06/2007US20070204760 for gel sticks, contains alkali metal salt or ammonium salt of aliphatic carboxylic acid as gelling agent, alkoxylated nitrogen-containing compound, a reduced starch saccharide, and coloring agent; as crayons or pastels, bending strength, but less breaking, little shavings while drawing, easy wipe out
08/2007
08/29/2007EP1826253A2 Colour cartridge for writing, drawing or painting devices
08/29/2007EP1824936A1 Process for the production of pigment-bearing leads
08/02/2007DE102006010119B3 Pencil-type lead for erasable writing, drawing or painting on both bright and dark substrates contains a hexagonal boron nitride filler
07/2007
07/19/2007US20070163467 Multi-colored crayons with associated packaging
07/11/2007EP1805269A1 Process for the production of pigment-bearing leads
07/05/2007DE202005021251U1 Kosmetikmine Cosmetic lead
05/2007
05/31/2007DE102005055193A1 Mine für Schreib-, Zeichen- oder Malgeräte Mine for writing, drawing or painting devices
05/23/2007EP1788046A1 Lead for writing-, drawing- or painting instruments
05/23/2007CN1966590A Lead for writing-, drawing- or painting instruments
05/16/2007CN1962773A High-grade resin thin pencil core made of coal tar and method for manufacturing same
05/15/2007US7217378 Simple and efficient process for the preparation of pencil lead from spent pot-liners
04/2007
04/25/2007CN2892486Y Extendible repair wax crayon
04/18/2007CN1948407A Water soluble chalk
04/11/2007CN1944551A Edible color paint pen material for drawing on edible food and special color painting pen
04/11/2007CN1944550A Dust-free chalk and producing process
04/04/2007EP1769049A2 Luminescent silicon oxide flakes
04/04/2007CN1939987A Environmental-protective fragent washing pen and its production
03/2007
03/21/2007CN1931934A Tailor's chalk and its making process
03/21/2007CN1931933A Chalk made of starch
03/15/2007US20070056466 Compound for the decoration of ceramics
03/14/2007CN1927959A Tailor's chalk capable of fading and preparation method thereof
03/07/2007CN1923924A Chalk prepared from shell powder
02/2007
02/21/2007CN1301303C Drawing colour rod and its making method
02/06/2007US7172812 surface treatment of flake metal pigment
12/2006
12/28/2006DE202005018080U1 Core for writing, marking and drawing pencils is impregnated with organically modified siloxane, preferably mixed with oil, wax and/or solvent
12/19/2006US7150784 Pigment-containing gel mass vased on lipids
11/2006
11/15/2006EP1664217B1 A simple and efficient process for the preparation of pencil lead from spent pot-liners
11/08/2006CN1858125A Shell chalk and its producing method
09/2006
09/13/2006EP1000987B1 Non-calcined lead of a colored pencil
09/08/2006WO2006093248A1 Crayon
08/2006
08/31/2006US20060194049 Lead for writing, drawing and painting utensils
08/16/2006EP1251819B1 Washable non-toxic body paint for applying color to human skin
08/02/2006EP1685977A2 Pencil lead for writing, drawing and painting instruments
07/2006
07/05/2006EP1141141B1 Colorants made from reactive dyes and fatty amines
07/05/2006CN1796470A Fragrant coloured chalk without dust
06/2006
06/14/2006DE102004055799B3 Lead manufacturing method for e.g. writing purpose, involves pressing lead mass to strand, and transporting strand on path to cutting station, where distance is maintained between lower side of strand and path by using fluid flow
06/07/2006EP1664217A1 A simple and efficient process for the preparation of pencil lead from spent pot-liners
05/2006
05/11/2006WO2006008239A3 Luminescent silicon oxide flakes
05/04/2006WO2006045540A1 Process for the production of pigment-bearing leads
05/04/2006WO2006045539A1 Process for the production of pigment-bearing leads
05/04/2006DE102004051618A1 Verfahren zur Herstellung von pigmenthaltigen Minen Process for preparing pigment-containing mines
03/2006
03/29/2006CN1752159A Colour drawing powder and its making method
03/29/2006CN1752158A Drawing colour rod and its making method
03/23/2006US20060062906 Solvent, soluble resin, coloring agent, gelling agent, pearl luster pigment and interferential pearl luster pigment; repairing flaws in metallic or pearly automobile coatings; color tone of coating film varies with viewing angle
03/22/2006EP1302516B1 Non-calcined lead of a colored pencil
03/08/2006CN1743184A Wax crayon for service
02/2006
02/08/2006EP1624036A1 Erasable coloured lead
02/08/2006CN1730283A Resin composite material pencil
02/01/2006EP1621182A1 Cosmetic pencil
01/2006
01/26/2006US20060020055 Erasable color lead
01/26/2006US20060018936 Core for cosmetic articles
01/24/2006CA2329976C Effect pigments coated with reactive orientation auxiliary agents
12/2005
12/29/2005DE202004012652U1 Kosmetikmine Cosmetic lead
12/08/2005WO2005105688A3 Compound for the decoration of ceramics
11/2005
11/24/2005DE102004021048A1 Pencil for writing, marking, artwork or cosmetic applications, comprises a lead containing polyolefin and coloring material inside a coextruded casing based on polyolefin material
11/17/2005US20050252409 Solid drawing material and method for producing the same
11/10/2005WO2005105688A2 Compound for the decoration of ceramics
10/2005
10/05/2005CN1676558A Preparation for preventing chalk dust from sticking hand
09/2005
09/29/2005US20050211132 color pencils; cosmetics;
08/2005
08/25/2005US20050186552 Board for drawing and writing
08/10/2005CN1651526A Manufacturing method of damp proof chalk
07/2005
07/28/2005DE202005008377U1 Lead pencil has lead inserted in support material with part of its circumferential face forming flat surface for easier ruling of lines
07/13/2005EP1552958A2 Pencil lead for writing, painting and cosmetic purposes
07/13/2005CN2709183Y Propelling with carbon rod in it and rubber holder
07/12/2005CA2333187C Marking system
06/2005
06/29/2005CN1632007A Self-discoloration chalk
06/23/2005US20050136080 Cosmetic solid lead
06/22/2005EP1543813A1 Cosmetic lead in solid form
06/22/2005CN1628992A 黑色铅笔 Black pencil
05/2005
05/11/2005CN1613928A Formula of micronic dust chalk
04/2005
04/20/2005EP1468055B1 Pigment-containing gel mass based on lipids
04/13/2005CN1196754C Erasable colored pencil lead
04/05/2005US6875261 Unburned color pencil lead
1 2 3 4 5 6 7 8 9