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Patentes

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Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US411518723 Feb 197619 Sep 1978Welwyn Hall Research AssociationAgglomerated fillers used in paper
US417499815 Feb 197720 Nov 1979The Associated Portland Cement Manufacturers LimitedPreflocculated filler compositions for use in the manufacture of paper
US46233943 Abr 198518 Nov 1986Kabushiki Kaisha Hayashibara Seibutsu Kagaku KenkyujoGradually disintegrable molded article
US475525922 Dic 19865 Jul 1988EKA Nobel AktiebolagProcess for papermaking
US492553020 Jul 198815 May 1990The Wiggins Teape Group LimitedLoaded paper
US50613462 Sep 198829 Oct 1991Betz PaperChem, Inc.Papermaking using cationic starch and carboxymethyl cellulose or its additionally substituted derivatives
US545486417 Jun 19943 Oct 1995Layered composite pigments and methods of making same
US545867910 Dic 199317 Oct 1995Minerals Technologies, Inc.Treatment of inorganic filler material for paper with polysaccharides
US551421222 Nov 19947 May 1996Westvaco CorporationProcess for enhancing sizing efficiency in filled papers
US622546212 Ene 19991 May 2001Lever Brothers Company, a division of Conopco, Inc.Conjugated polysaccharide fabric detergent and conditioning products