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Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US409729026 Mar 197627 Jun 1978The Gillette CompanyBall-point instruments writing with improved transitorially erasable trace and ink compositions therefor
US426436611 Dic 197828 Abr 1981United States Postal ServiceCancellation and marking inks
US429726019 Nov 197927 Oct 1981Liquid Paper CorporationErasable writing medium composition
US432926225 Mar 198111 May 1982Scripto, Inc.Initially erasable ink composition for a ball point writing instrument
US43292643 Abr 198011 May 1982Scripto, Inc.Ballpoint writing instrument containing an initially erasable ink
US434963926 Mar 198114 Sep 1982Scripto, Inc.Method of making and the composition for an initially erasable ink for a ball point writing instrument
US435743124 Jun 19812 Nov 1982Pentel Kabushiki KaishaBall-point pen ink composition erasable by rubber eraser
US436796612 Nov 198111 Ene 1983Paul C. FisherErasable ink for ball point pens comprising trifluoroethylene and vinyl acetate polymers
US43894995 Nov 198121 Jun 1983The Gillette CompanyErasable inks containing thermoplastic block copolymers
US43906465 Nov 198128 Jun 1983The Gillette CompanyErasable inks containing thermoplastic block copolymers
US43919275 Nov 19815 Jul 1983The Gillette CompanyErasable inks containing thermoplastic block copolymers
US44106437 May 198218 Oct 1983Scripto, Inc.Method of making and the composition for an initially erasable ink for a ball point writing instrument
US441946429 Jul 19826 Dic 1983Paul C. FisherErasable ink for ball point pens
US472173923 Sep 198526 Ene 1988BIC Corp.Erasable ink compositions
US473872521 Abr 198719 Abr 1988Scripto-Tokai, Inc.Initially erasable ball pen ink
US506289016 Oct 19895 Nov 1991Pentel Kabushiki KaishaWater-based ink composition for ball-point pen
US521725519 Dic 19888 Jun 1993Erasable system including marking surface and erasable ink composition
US528816020 Jul 199222 Feb 1994Binney & SmithAqueous permanent coloring composition
US536216729 Ene 19938 Nov 1994The Gillette CompanyFiber marker including an erasable ink
US55940451 Dic 199414 Ene 1997Correction fluids
US55998537 Oct 19944 Feb 1997The Gillette CompanyErasable inks
US566119720 May 199626 Ago 1997BIC CorporationErasable ink composition containing a polymer-encapsulated colorant derived from monomer containing dissolved colorant
US572622110 Oct 199610 Mar 1998The Gillette CompanyCorrection fluids
US57565614 Jun 199626 May 1998BIC CorporationErasable ink composition containing a graft-polymerized dye
US585207220 May 199622 Dic 1998Bic CorporationErasable ink composition containing a waterborne polyurethane urea
US585207320 May 199622 Dic 1998Bic CorporationErasable ink composition containing a polymer-encapsulated colorant obtained by polymerizing monomer in the presence of solid colorant particles
US590044520 May 19964 May 1999BIC CorporationErasable ink composition containing a polymer dye obtained from ethylenic monomers and marking instrument containing same
US591635725 Mar 199729 Jun 1999The Gillette CompanyEradicable inks
US591985821 Mar 19976 Jul 1999The Gillette CompanyErasable inks
US59224009 Ene 199713 Jul 1999The Gillette CompanyCorrection fluid
US592569320 Ene 199820 Jul 1999The Gillette CompanyAqueous correction fluids
US60281267 Oct 199822 Feb 2000Bic CorporationInk follower compositions
US60750703 Sep 199613 Jun 2000The Gillette CompanyMarking instrument including liquid ink
US622143228 Abr 199924 Abr 2001Eradicable inks
US633157921 Oct 199618 Dic 2001The Gillette CompanyAqueous correction fluids
US651832920 Mar 200011 Feb 2003Berol CorporationLiquid ink
US656171311 Abr 200213 May 2003Dri Mark Products, Inc.Metallic ink composition for wick type writing instruments
US690553915 Jul 200314 Jun 2005Sanford L.P.Black eradicable ink, methods of eradication of the same, eradicable ink kit, and eradicated ink complex
US70836657 Oct 20031 Ago 2006Sanford, L.P.Highlightable marking composition, method of highlighting the same, highlightable marking composition kit, and highlighted marking composition complex
US716357515 Jul 200416 Ene 2007Sanford, L.P.Water-based, resin-free and solvent-free eradicable ball-pen inks
US722948714 Ene 200412 Jun 2007Sanford, L.P.Writing instruments with eradicable inks and eradicating fluids
US74273181 Oct 200423 Sep 2008Sanford, L.P.Highlightable and highlighted mixtures, marking instruments, and methods of using the same
US745214611 Jun 200718 Nov 2008Sanford, L.P.Writing instruments with eradicable inks and eradicating fluids
US748838011 May 200610 Feb 2009Sanford, L.P.Highlighting marking compositions, highlighting kits, and highlighted complexes
US770430821 Dic 200427 Abr 2010Sanford, L.P.Method of highlighting with a reversible highlighting mixture, highlighting kit, and highlighted complex