C09D 13 - Pencil-leads; Crayon compositions; Chalk compositions

Patents for C09D 13 - Pencil-leads; Crayon compositions; Chalk compositions (802)
03/2013
03/06/2013	CN102952433A Water-soluble chalk
02/2013
02/27/2013	CN102942824A Environmentally-friendly color dust-free chalk
02/21/2013	WO2013023261A1 Formulation for producing a writing article, process for manufacturing a writing article and a writing article
02/21/2013	CA2827999A1 Formulation for producing a writing article, process for manufacturing a writing article and a writing article
02/06/2013	CN102911560A Dustless colored chalk dedicated for whiteboard capable of fading chemically
01/2013
01/30/2013	EP2551307A1 Lead
01/30/2013	CN102898898A Dust-free environment-friendly chalk and preparation method thereof
01/29/2013	US8362109 Pencil lead for writing, drawing and/or painting devices
01/23/2013	CN101590782B Transparent solid marker
01/16/2013	CN102884143A Natural oil based marking compositions and their methods of making
01/16/2013	CN102876137A Dust-free chalk
01/16/2013	CN102876136A Dust-free chalk
01/10/2013	DE102009033830B4 Polymergebundene Mine für Schreib-, Zeichen- und/oder Malgeräte sowie Verfahren zu deren Herstellung Polymer-mine for writing, drawing and / or painting devices and methods for their manufacture
01/08/2013	US8349063 Pencil lead and production process for the same
01/02/2013	CN102850852A Dust-free chalk
01/02/2013	CN102848798A Manufacturing method of clean chalk
12/2012
12/26/2012	CN102099200B Pencil lead for writing, drawing and/or painting devices and preparation method thereof
12/20/2012	US20120322927 Writing substance for writing, drawing and/or painting tools
12/12/2012	CN102816476A Preparation method of special color painting wax
12/12/2012	CN102816443A Special wax for color painting material
11/2012
11/21/2012	CN102786844A Scented crayon
11/13/2012	US8308861 Phase change material compositions
11/08/2012	WO2012151171A1 Trimethyl borate in epoxy resins
11/08/2012	DE102008028445C5 Mine für Schreib-, Zeichen- und/oder Malgeräte und Verfahren zu deren Herstellung Refill for writing, drawing and / or painting devices and methods for their preparation
10/2012
10/30/2012	US8299143 Crayon and process for producing the same
09/2012
09/26/2012	EP2502968A1 Transparent solid ink composition and method of preparing the same
09/19/2012	CN102673246A Dust-free chalk machining device and use method thereof
08/2012
08/30/2012	US20120219497 Random ethylene oxide and non-random alkylene oxide(s) polymers
08/22/2012	CN102643581A Method for preparing tiny-dust chalk through oil emulsion
08/14/2012	US8242190 Crayon and process for producing the same
08/07/2012	US8236199 Phosphorescent/fluorescent compositions and methods
08/01/2012	CN102618123A Colorized dust-free chalk and processing method thereof
08/01/2012	CN102618122A Water-soluble grease pen
07/2012
07/25/2012	CN102604483A White board wax pencil capable of wiping up writing marks by water
07/18/2012	EP2476734A1 Transparency solid marker
07/18/2012	CN102585799A Chemiluminescent compositions, and production and use methods thereof
07/11/2012	CN102558969A Low volatile organic compound (VOC) green crayon
07/11/2012	CN102555599A Black high-elastoplasticity pen and manufacturing method thereof
07/05/2012	WO2012088871A1 Colourized pen with high elasticity and plasticity and manufacturing process thereof
07/04/2012	CN102533006A High-melting-point solid highlighter
07/04/2012	CN102533005A Colorful high-elastoplastic pen and making method thereof
07/04/2012	CN101412867B Preparation of lead for color pencil
06/2012
06/20/2012	CN101602305B Cartridge for writing, illustrating and/or marking devices and manufacturing method
06/13/2012	CN102492333A Environment-friendly chalk and preparation method thereof
06/06/2012	CN102485815A Dust-free chalk
05/2012
05/30/2012	EP2456834A1 Writing substance for writing, drawing and/or painting tools
05/23/2012	CN102471626A Writing substance for writing, drawing and /or painting tools
05/16/2012	CN102459481A Pencil lead and method for producing same
05/09/2012	CN102443321A Method for making chalk
05/09/2012	CN102442106A Chalky teaching chalk and manufacturing method thereof
04/2012
04/19/2012	WO2012048641A1 Regenerated wood pencil and process for producing the same
04/04/2012	CN102399480A 高性能无尘粉笔 High-performance clean chalk
04/04/2012	CN102399479A 湿性无尘粉笔 Wet chalk dust
04/04/2012	CN102399478A 耐用无尘粉笔 Durable chalk dust
04/04/2012	CN102399477A 无尘粉笔 Chalk dust
04/04/2012	CN101511953B 蜡笔及其制造方法 Crayons and manufacturing method
03/2012
03/06/2012	US8128300 Hand held photochromic marking implement
02/2012
02/29/2012	EP2423280A1 Pencil lead and method for producing same
02/29/2012	CN101831218B Environment-friendly dustless biochemical chalk and making method thereof
02/16/2012	US20120037035 Pencil lead and production process for the same
02/09/2012	WO2012018107A1 Solid drawing material and solid drawing tool
02/07/2012	CA2579255C Phosphorescent/fluorescent compositions and methods
02/01/2012	CN102337058A Novel dust-free chalk and manufacturing method thereof
12/2011
12/20/2011	US8080096 Protecting agent for image bearing member and production method therefor, protection layer forming apparatus, image forming method, image forming apparatus, and process cartridge
12/01/2011	WO2011147904A1 Pencils, method of preparation and use
11/2011
11/30/2011	EP2390294A1 Pencils, method of preparation and use
11/22/2011	CA2619084C Multi-colored crayons with associated packaging
11/17/2011	WO2011143037A1 Natural oil based marking compositions and their methods of making
11/17/2011	WO2011141936A1 A novel dustless chalk and process of making the same
11/16/2011	CN101805544B Washable wax pencil
11/16/2011	CN101511954B Crayon and method for producing the same
11/16/2011	CN101490186B Process for production of black crayon
11/09/2011	EP2303602B1 Pencil lead for writing, drawing and/or painting devices
10/2011
10/26/2011	CN102226050A Dust-free chalk and manufacture method thereof
10/13/2011	US20110250151 Cold process water soluble wax containing powders
10/06/2011	US20110244385 Water-based pigment preparations
09/2011
09/28/2011	CN101705034B Water-soluble dustfree chalks
08/2011
08/31/2011	CN102166905A Solid transparent pen refill and preparation method thereof
08/25/2011	DE102008034015B4 Schreib-, Zeichen-, Mal- oder Kosmetikstift Writing, drawing, painting or cosmetic pencil
08/04/2011	US20110185781 Aqueous Pigment Preparations Having Nonionic Additives on the Basis of Alyl and Vinyl Ether
06/2011
06/23/2011	US20110151108 Lead for painting and method of painting with a lead
06/22/2011	EP2336252A1 Lead for painting
06/22/2011	CN102101955A Chalk
06/22/2011	CN101490185B Crayon
06/16/2011	DE102008034014B4 Mine für Schreib-, Zeichen- und/oder Malgeräte Mine for writing, drawing and / or painting devices
06/15/2011	CN102099200A Pencil lead for writing, drawing and/or painting devices
06/09/2011	DE102008028445B4 Mine für Schreib-, Zeichen- und/oder Malgeräte und Verfahren zu deren Herstellung Refill for writing, drawing and / or painting devices and methods for their preparation
06/01/2011	CN102079901A Method for manufacturing environmental-protection water-based pigment pen
05/2011
05/19/2011	US20110118383 Pencil lead for writing, drawing and/or painting devices
05/17/2011	US7943684 Process for production of black crayon
04/2011
04/28/2011	DE102008034013B4 Verwendung eines Holzersatzwerkstoff Using a wood substitute material
04/06/2011	EP2303602A1 Pencil lead for writing, drawing and/or painting devices
04/06/2011	CN102001249A Regenerative wooden pencil and manufacturing process thereof
03/2011
03/30/2011	CN101993636A Crayon and manufacturing method thereof
03/23/2011	CN101987548A Dual annular pencil lead
03/23/2011	CN101987547A Spiral pencil core
03/23/2011	CN101987546A Triple annular pencil lead
03/23/2011	CN101987545A Four-ring-shaped pencil lead
03/16/2011	CN101338097B Special lead of pencil
02/2011
02/03/2011	DE102009033830A1 Mine für Schreib-, Zeichen-und/oder Malgeräte Mine for writing, drawing and / or painting devices

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