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Patentes

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Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US407028714 Sep 197624 Ene 1978Conweb CorporationPolymeric and cellulosic fiber material for removing oil from water
US409763820 Dic 197627 Jun 1978Conwed CorporationSelectively sorptive reinforced sheet
US412655614 Feb 197721 Nov 1978Conwed CorporationApparatus for removal of an immiscible liquid from a liquid mixture
US41831463 Mar 197815 Ene 1980Oji Paper Co., Ltd.Process for simultaneously drying mechanical wood pulp and improving mechanical strength and brightness of the pulp
US43436806 Mar 198110 Ago 1982International Paper CompanyHydrophobic oleophilic wood pulp
US442159930 Nov 198120 Dic 1983Toppan Printing Co., Ltd.Fibrous materials
US451991824 Ene 198328 May 1985Papyrus Kopparfors ABProcess for the absorption of organic liquids by use of a hydrophobic fibrous material
US453787710 May 198327 Ago 1985Papyrus Kopparfors ABParticulate oil-absorbing composition to absorb oil
US455125320 Ene 19845 Nov 1985N.Y. Patent Development Corp.Method for removing oil from water with an absorbent
US467015627 Feb 19842 Jun 1987Universal Fibers, Inc.Sorbent for oil or other liquid hydrocarbons
US475391724 Mar 198728 Jun 1988Universal Fibers, Inc.Sorbent for oil or other liquid hydrocarbons and method of manufacturing same
US492534324 Jul 198915 May 1990Oil spill cleanup compositions
US500034126 Jun 198919 Mar 1991Container with absorbent interior
US55853198 Feb 199417 Dic 1996HokkaidoProcess for preparing oil sorbent and device for continuously preparing the same
US576308326 Abr 19969 Jun 1998Minnesota Mining and Manufacturing Co.Oil absorbent fibrous granules
US609230216 Ene 199825 Jul 20003M Innovative Properties CompanyAbsorbent fibrous granules
US642318330 Abr 199923 Jul 2002Kimberly-Clark Worldwide, Inc.Paper products and a method for applying a dye to cellulosic fibers
US65825607 Mar 200124 Jun 2003Kimberly-Clark Worldwide, Inc.Method for using water insoluble chemical additives with pulp and products made by said method
US660763621 Dic 200119 Ago 2003Kimberly-Clark Worldwide, Inc.Non-rewetting multi-fiber hand towel and methods of making same
US674972122 Dic 200015 Jun 2004Kimberly-Clark Worldwide, Inc.Process for incorporating poorly substantive paper modifying agents into a paper sheet via wet end addition
US683797018 Dic 20014 Ene 2005Kimberly-Clark Worldwide, Inc.Wood pulp fiber morphology modifications through thermal drying
US691640223 Dic 200212 Jul 2005Kimberly-Clark Worldwide, Inc.Process for bonding chemical additives on to substrates containing cellulosic materials and products thereof
US698429014 Mar 200310 Ene 2006Kimberly-Clark WOrldwide, Inc.Method for applying water insoluble chemical additives with to pulp fiber
US754463517 Jul 20019 Jun 2009Process for changing hydrophilic/hydrophobic characteristics
US767045929 Dic 20042 Mar 2010Kimberly-Clark Worldwide, Inc.Soft and durable tissue products containing a softening agent
US767823214 Jun 200716 Mar 2010Kimberly-Clark Worldwide, Inc.Process for incorporating poorly substantive paper modifying agents into a paper sheet via wet end addition
US77493567 Mar 20016 Jul 2010Kimberly-Clark Worldwide, Inc.Method for using water insoluble chemical additives with pulp and products made by said method
US79934909 Jun 20109 Ago 2011Kimberly-Clark Worldwide, Inc.Method for applying chemical additives to pulp during the pulp processing and products made by said method