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Patentes

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Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US397820412 Dic 197431 Ago 1976L'OrealCosmetic composition containing microencapsulated solvents for nail enamel
US428227514 Ene 19804 Ago 1981The Mead CorporationCoating method apparatus for capsular coatings
US471027029 Ago 19841 Dic 1987Paper making process utilizing fillers with hardened envelopes of cationic starch
US49959449 Ago 199026 Feb 1991Dearborn Chemical Company Ltd.Controlling deposits on paper machine felts using cationic polymer and cationic surfactant mixture
US510448716 Ago 199014 Abr 1992Betz Paper Chem., Inc.Papermaking using cationic starch and naturally anionic polysacchride gums
US522309720 Jun 198929 Jun 1993W. R. Grace ABMethod for controlling pitch on a paper-making machine
US562672019 May 19956 May 1997W.R. Grace & Co.-Conn.Method for controlling pitch on a papermaking machine
US58209376 Dic 199513 Oct 1998The Mead CorporationProcess for making high abrasion overlays
US67232048 Abr 200220 Abr 2004Hercules IncorporatedProcess for increasing the dry strength of paper