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2017
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Invention
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Writing or coloring pencil. A writing or coloring pencil has three layers obtained by co-extrusio... |
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Invention
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Writing or coloring pencil. The invention relates to a writing or coloring pencil comprising the ... |
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2015
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Invention
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Paper pencil lead. The present invention concerns an extrudable, unexpanded paper pencil lead, co... |
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Invention
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Colour pencil lead. The present invention concerns an extrudable, unexpanded color pencil lead, c... |
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Invention
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Pencil for writing or colouring. The present invention thus relates to a writing or color pencil ... |
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Invention
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Pencil for writing or colouring. The present invention relates to a pencil for writing or colouri... |
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Invention
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Colour pencil lead. The present invention concerns an extrudable, unexpanded colour pencil lead, ... |
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2004
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Invention
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Writing implement fitted with support means for the writing tip. The writing implement of the inv... |
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2003
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Invention
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Colored liquid composition for editing pen. The colored liquid composition of the invention for a... |
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Invention
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Liquid ink writing instrument with a shape memory valve. The liquid ink writing instrument has a ... |
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Invention
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Writing article having a capillary reservoir with improved ink delivery. A writing instrument hav... |
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Invention
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Writing article having a capillary reservoir with improved ink delivery. The invention relates to... |
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2002
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Invention
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Writing implement comprising writing point support means. The invention relates to a writing impl... |
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Invention
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Writing article whose writing tip includes a drying retardant and process for the manufacture of ... |
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Invention
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Method for making a writing or coloring pencil by triple extrusion and writing or coloring pencil... |
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Invention
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Liquid ink writing article with shape-memory valve. The invention concerns a liquid ink writing a... |
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Invention
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Nib and methods of treating an elongate element designed to form such a nib. The nib is constitut... |
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2001
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Invention
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Coloured liquid composition for editing pen. The invention concerns a coloured liquid composition... |
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Invention
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Writing implement whereof the writing nib comprises a retarder and method for making same. The in... |
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2000
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Invention
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Method for making a writing or colouring pencil by triple extrusion and writing or colouring penc... |
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Invention
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Nib for writing and methods for treating a longitudinal element from which a writing nib of this ... |
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1997
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Invention
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Writing implement using liquid ink, in particular a solvent-based ink. A liquid ink writing imple... |
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Invention
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Liquid-ink writing instrument having a reservoir fitted with a system to prevent loss of priming.... |
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Invention
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Method for increasing the anti-wettability of a body. To increase the anti-wettability of a body ... |
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Invention
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Writing instrument ferrule |
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Invention
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Method of increasing the wettability of a porous body. A method for increasing homogeneously the ... |
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1996
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Invention
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Pencil having an eraser-holding ferrule secured by ultrasonic welding, and a ferrule adapted for ... |
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1993
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Invention
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Process for manufacturing pencil by tri-extrusion and the produced pencil having an intermediate ... |
