With Organic Compound Containing Nitrogen Patents (Class 106/214.1)
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Patent number: 9616696Abstract: This specification describes a composition for coating on a substrate, such as paper, useful for inkjet printing with ink having an anionic dye. The coating comprises a cationic binder and preferably pigment. The binder may be made of latex forming cationic biopolymer particles, for example made from cationic starch. Cationic biopolymer polymers are used as a cationic fixative. Optionally, a salt with a polyvalent metal ion may be added top the composition. With this addition, the substrate is also suitable for printing with dispersed pigment based inkjet ink.Type: GrantFiled: October 22, 2014Date of Patent: April 11, 2017Assignee: EcoSynthetix Inc.Inventors: Sabina Di Risio, Ralph De Jong, Ray Carlson
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Patent number: 8354041Abstract: A composition suitable for surface treatment of paper, wherein the composition contains a specified fluorescent whitening agent with alkylsulfonic acid groups, a salt of a bivalent cation, and a carrier. The composition is used for whitening paper, in particular in the size press.Type: GrantFiled: June 10, 2009Date of Patent: January 15, 2013Assignee: Blankophor GmbH & Co. KGInventors: Bernhard Hunke, Michael Kraemer, Andrei Tauber, Günter Klug
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Publication number: 20120156954Abstract: A curable formaldehyde-free binding composition for use with fiberglass is provided. Such curable composition comprises an addition product of an amine and a reactant to form an amino-amide intermediate. To the amino-amide is added an aldehyde or ketone to form the curable binder composition. The composition when applied to fiberglass is cured to form a water-insoluble binder which exhibits good adhesion to glass. In a preferred embodiment the composition when applied to fiberglass provides a sufficient blackness required in facer products.Type: ApplicationFiled: August 6, 2010Publication date: June 21, 2012Inventors: Bernhard Eckert, Bernd Christensen, Kiarash Alavi Shooshtari, Souvik Nandi, Jawed Asrar, Mingfu Zhang
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Publication number: 20120156953Abstract: A curable formaldehyde-free binding composition for use with fiberglass is provided. Such curable composition comprises an aldehyde or ketone and an amine salt of an inorganic acid. The composition when applied to fiberglass is cured to form a water-insoluble binder which exhibits good adhesion to glass. In a preferred embodiment the composition when applied to fiberglass provides a sufficient blackness required in facer products.Type: ApplicationFiled: August 6, 2010Publication date: June 21, 2012Inventors: Bernhard Eckert, Bernd Christensen, Kiarash Alavi Shooshtari, Souvik Nandi, Jawed Asrar, Mingfu Zhang
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Patent number: 8157961Abstract: The present invention relates to a sizing composition that, when applied to paper substrate, creates a substrate, preferably suitable for inkjet printing, having increased print density, print sharpness, low HST, and/or image dry time, the substrate preferably having high brightness and reduced color-to-color bleed as well. In addition, the present invention relates to a method of reducing the HST of a paper substrate by applying the sizing composition to at least one surface thereof. Further, the application relates to methods of making and using the sizing composition, as well as methods of making and using the paper containing the sizing composition.Type: GrantFiled: March 22, 2010Date of Patent: April 17, 2012Assignee: International Paper CompanyInventors: Jay C. Song, Sen Yang, Yan C. Huang, Kapil M. Singh, Michael F. Koenig, David B. Shelmidine
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Publication number: 20120040200Abstract: The present invention relates to a sizing or coating composition that, when applied to paper substrate, creates a substrate having improved waterfastness, surface strength, and surface strength as measured by resistance to abrasion. In addition, the present invention relates to paper substrates containing the composition, as well as methods of using and making the paper substrate and composition.Type: ApplicationFiled: October 27, 2011Publication date: February 16, 2012Applicant: INTERNATIONAL PAPER COMPANYInventors: MICHAEL F. KOENIG, KAPIL M. SINGH
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Patent number: 7892398Abstract: The invention relates to an aqueous dispersion of cellulose-reactive sizing agent containing an acid anhydride, an anionic polyelectrolyte and a nitrogen-containing organic compound which is an amine or quaternary ammonium thereof having a molecular weight less than 180 and/or having one or more hydroxyl groups. The invention further relates to a process for the production of paper which comprises adding the aqueous dispersion of cellulose-reactive sizing agent to an aqueous cellulosic suspension.Type: GrantFiled: December 13, 2006Date of Patent: February 22, 2011Assignee: Akzo Nobel N.V.Inventors: Hans Johansson-Vestin, Jonas Liesén, Marie Turunen, Jan Emanuelsson
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Publication number: 20110011547Abstract: The present invention relates to a sizing composition that, when applied to paper substrate, creates a substrate, preferably suitable for inkjet printing, having increased print density, print sharpness, low HST, and/or image dry time, the substrate preferably having high brightness and reduced color-to-color bleed as well. In addition, the present invention relates to a method of reducing the HST of a paper substrate by applying the sizing composition to at least one surface thereof. Further, the application relates to methods of making and using the sizing composition, as well as methods of making and using the paper containing the sizing composition.Type: ApplicationFiled: March 22, 2010Publication date: January 20, 2011Applicant: INTERNATIONAL PAPER COMPANYInventors: Jay C. Song, Sen Yang, Yan C. Huang, Kapil M. Singh, Michael F. Koenig, David B. Shelmidine
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Patent number: 7682438Abstract: The present invention relates to a sizing composition that, when applied to paper substrate, creates a substrate, preferably suitable for inkjet printing, having increased print density, print sharpness, low HST, and/or image dry time, the substrate preferably having high brightness and reduced color-to-color bleed as well. In addition, the present invention relates to a method of reducing the HST of a paper substrate by applying the sizing composition to at least one surface thereof. Further, the application relates to methods of making and using the sizing composition, as well as methods of making and using the paper containing the sizing composition.Type: GrantFiled: November 1, 2006Date of Patent: March 23, 2010Assignee: International Paper CompanyInventors: Jay C Song, Sen Yang, Yan C Huang, Kapil M Singh, Michael Koenig, David B Shelmidine
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Patent number: 7678187Abstract: The invention provides a composition comprising an aqueous solution of 0.1-20 wt. % of a poly(amine) and 0.1 to 50 wt. % of a carboxylated carbohydrate having an average molecular weight of at least 100,000 D and a degree of carboxyl substitution of at least 5%, which carboxylated carbohydrate has been obtained by subjecting a corresponding original carbohydrate to an oxidation treatment whereby carboxyl and aldehyde groups are obtained by oxidation of hydroxyl groups of the original carbohydrate, after which the oxidised carbohydrate so obtained is contacted with a reducing agent whereby at least part of the aldehyde groups that were obtained in the oxidation treatment are reduced to hydroxymethyl groups, whereby the carboxylated carbohydrate comprises at least part of the reducing agent and/or its reaction product(s), and wherein the carboxylated carbohydrate forms a complex with the poly(amine).Type: GrantFiled: February 14, 2005Date of Patent: March 16, 2010Assignee: Nederlandse Organisatie voor Toegepast-Natuurwetenschappelijk Onderzoek TNOInventors: Arjen Boersma, Theodoor M. Slaghek, Jan J. de Vlieger
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Publication number: 20100016886Abstract: A high swell, long-lived hydrogel sealant formed by reacting a highly oxidized polysaccharide containing aldehyde groups with a multi-arm amine is described. The hydrogel sealant may be particularly suitable for applications requiring high swell and slow degradation, for example, tissue augmentation, both cosmetic and reconstructive; void filling; tissue bulking, for example treatment of urinary incontinence and acid reflux; and embolization. The high swell, long-lived hydrogel sealant may also be useful as a tissue sealant and adhesive, and as an anti-adhesion barrier.Type: ApplicationFiled: July 6, 2009Publication date: January 21, 2010Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventor: Helen S. M. LU
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Patent number: 7553363Abstract: The present invention relates to a composition for use in making a starch-based food or beverage container, the formulation allowing the container to be water resistant for a usable amount of time without the need for coatings or similar. An embodiment of the formulation comprising water, native and pregelatinized starch, an insolubilizing compound, proteins or natural polymeric compounds, fibers, a wax emulsion, and a fiber-sizing agent.Type: GrantFiled: August 26, 2004Date of Patent: June 30, 2009Assignee: Biosphere Industries, LLCInventors: David Dellinger, Elie Helou, Jr.
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Patent number: 6770129Abstract: Aqueous paper coating compositions containing at least one of a clay, a starch, casein, a resin, and a wax; and wherein the composition contains from about 0.Type: GrantFiled: January 28, 2003Date of Patent: August 3, 2004Assignee: Cognis CorporationInventors: David W. Brown, Kenneth Breindel, Ronald W. Broadbent, Michael S. Wiggins
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Patent number: 6648955Abstract: Corrugating adhesives comprising a starch, an alkali, water and a surfactant allow the user to control the amount of adhesive applied, minimize warpage of the final corrugated board and allows equipment to run faster and in a more efficient manner.Type: GrantFiled: October 25, 2000Date of Patent: November 18, 2003Assignee: National Starch and Chemical Investment Holding CorporationInventors: Frank J. Swiezkowski, Robert L. Billmers, Patrick B. Mwonya, Gordon W. Seaman
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Publication number: 20030145763Abstract: A flocculant or binder composition can be used to form a slurry, which in turn, is usable in methods of producing ceramics and ceramic products. The flocculant or binder composition includes amylopectin potato starch (AP-PS).Type: ApplicationFiled: February 21, 2003Publication date: August 7, 2003Inventors: Dietmar Grull, Marnik Michel Wastyn, Martin Kozich
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Patent number: 6461422Abstract: The problems of applying ink jet inks to various known coating surfaces so as to overcome smearing, poor resolution and attack by water etc., is overcome by the use of the new ink jet receptive media. The media comprises in combination: (1) a waterproof ink jet receptive coating, (2) a primer coating, (3) a non-porous substrate, (4) a pressure sensitive adhesive coating, (5) a silicone coating and (6) a backer layer. The receptive coating comprises the combination of: (1) binder, (2) charge control agent, (3) cross-linking agent, (4) adhesion enhancing agent and (5) dispersant. The absorption of the ink jet ink to the substrate is maximized, thus attracting and fixing the ink and providing a waterproofing effect.Type: GrantFiled: January 27, 2000Date of Patent: October 8, 2002Assignee: Chartpak, Inc.Inventors: Victor Yang, Norman P. De Bastiani
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Patent number: 6398912Abstract: The object of the invention is an additive for paper making by means of which the dusting tendency of paper can be reduced. The agent is based on starch, the molecular size of which has been reduced, and which has been cationized to a charge of less than 1.5 mEkv/g with a quaternary nitrogen compound. The agent is added to the fiber pulp for paper making prior to web formation.Type: GrantFiled: January 9, 2001Date of Patent: June 4, 2002Assignee: Raisio Chemicals Ltd.Inventors: Tapio Vihervaara, Kari Luukkonen, Veikko Niinivaara
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Patent number: 6214102Abstract: A method of vacuum forming of aqueous, fibrous slurries and products produced thereby are disclosed. The method entails forming an aqueous slurry of ceramic fiber, cationic starch and silica sol. The silica has, based on total weight of the sol, about 50% silica having a particle size range of from about 7 nm to about 200 nm and a specific surface area of about 100 m2/gm to about 10 m2/gm. The slurry is passed through a porous screen under a vacuum pressure deposit the solids content onto the screen to produce high strength products.Type: GrantFiled: June 1, 1999Date of Patent: April 10, 2001Assignee: Wes Bond Corp.Inventor: John Vandermeer
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Patent number: 6183550Abstract: Aqueous paper size dispersions comprising: a) at least one paper sizing compound, and b) a water-soluble dispersant containing at least two hydrophilic groups and at least one hydrophobic group. Processes for sizing paper utilizing the aqueous paper size dispersions, and paper made by the processes.Type: GrantFiled: April 16, 1999Date of Patent: February 6, 2001Assignee: Hercules IncorporatedInventors: Herbert Conner, Tingdong Lin, Gert Tuin, Henrica G. M. van de Steeg