Shellac Or Derivative Containing Patents (Class 106/31.74)
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Patent number: 10889730Abstract: An oil-based inkjet ink set is disclosed that includes: an oil-based inkjet ink A containing a non-aqueous solvent, the non-aqueous solvent of the oil-based inkjet ink A containing at least 15% by mass of a silicone oil relative to the total mass of the non-aqueous solvent of the oil-based inkjet ink A, and an oil-based inkjet ink B containing a non-aqueous solvent, the non-aqueous solvent of the oil-based inkjet ink B containing at least 50% by mass of a petroleum-based hydrocarbon solvent relative to the total mass of the non-aqueous solvent of the oil-based inkjet ink B. A method for producing a printed item is also disclosed.Type: GrantFiled: September 25, 2018Date of Patent: January 12, 2021Assignee: RISO KAGAKU CORPORATIONInventors: Marie Morinaga, Toshihiro Endo, Shinichiro Shimura, Kazuyuki Ando, Hikaru Sugiura, Shinsuke Ozawa
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Patent number: 10808137Abstract: A method for producing a printed item including discharging two or more inks by an inkjet method toward a recording medium to form an image is disclosed, wherein the two or more inks include a first oil-based inkjet ink containing a first colorant and a non-aqueous solvent and having an ink surface tension of less than 27.0 mN/m, and a second oil-based inkjet ink containing a second colorant and a non-aqueous solvent and having an ink surface tension of 27.0 mN/m or greater, and the method includes discharging the first oil-based inkjet ink toward the recording medium at a discharge volume of at least 20 pl per one liquid droplet to form dots with the first oil-based inkjet ink, and subsequently discharging the second oil-based inkjet ink toward the recording medium at a discharge volume of less than 20 pl per one liquid droplet so as to overlap with the dots formed with the first oil-based inkjet ink.Type: GrantFiled: September 25, 2018Date of Patent: October 20, 2020Assignee: RISO KAGAKU CORPORATIONInventors: Kazuyuki Ando, Shinichiro Shimura, Marie Morinaga, Hikaru Sugiura, Shinsuke Ozawa
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Patent number: 8580024Abstract: The present invention relates to an inkjet ink composition comprising a liquid vehicle and a modified pigment, which comprises the reaction product of a non-modified pigment and at least one reagent having the formula H2N-A-Y. The modified pigments themselves, as well as methods for preparing them, are also described.Type: GrantFiled: June 4, 2009Date of Patent: November 12, 2013Assignee: Cabot CorporationInventor: Feng Gu
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Patent number: 8118922Abstract: A pigmented phase change ink composition comprising an ink vehicle, a dispersant, and pigment particles wherein the dispersant is a chemical compound of formula: wherein R1 is an alkyl group, aryl group, alkylaryl group or arylalkyl group with at least 23 carbon atoms, R2 is an alkylene group, arylene group, alkylarylene group or arylalkylene group with at least 2 carbons and X is a quaternary ammonium salt. The ink can be resistant to substantial aggregation and settling of the pigment particles in the melt and even when exposed to freeze thaw cycles.Type: GrantFiled: May 18, 2009Date of Patent: February 21, 2012Assignee: Xerox CorporationInventors: Adela Goredema, C. Geoffrey Allen, Caroline M. Turek, Christopher Wagner, Raymond Wong, Mihaela Maria Birau, Sheau Van Kao
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Patent number: 8038784Abstract: A non-aqueous pigment ink comprising a pigment, a pigment dispersant and a non-aqueous solvent, wherein the pigment dispersant comprises a copolymer of vinylpyrrolidone and an alkene of 10 to 40 carbon atoms.Type: GrantFiled: March 24, 2009Date of Patent: October 18, 2011Assignee: Riso Kagaku CorporationInventors: Yoshifumi Watanabe, Toshihiro Endo
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Patent number: 7247199Abstract: Food grade ink jet inks which include food grade pigments, food grade lower alcohols, 1,2-propanediol, and shellacs are provided. Also provided are methods for making the ink jet inks and edible substrates having the food grade ink jet inks applied to a surface thereof. In some embodiments, the food grade ink jet inks contain at least about 20 wt. % propanediol.Type: GrantFiled: August 13, 2004Date of Patent: July 24, 2007Inventors: Robert A. Baydo, Michael Bogomolny, Constance L. Lee
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Patent number: 7166153Abstract: An edible ink with a viscosity of about 2000 to 16000 cp at 25° C. Certain embodiments relate to applying the edible ink to a substrate using a lithographic printing process.Type: GrantFiled: August 19, 2003Date of Patent: January 23, 2007Assignee: DecoPac, Inc.Inventors: John Russell, Andrew Candler, Angela Wright
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Publication number: 20040244644Abstract: An ink composition comprising at least one color suitable for food use and a liquid vehicle including water and an organic solvent miscible with water in a volumetric ratio variable from 3:1 to 1:10, wherein the organic solvent is ethanol or a mixture ethanol:acetone in a volumetric ratio variable from 1:2 to 3:1; this ink composition is suitable, in particular, even though not exclusively, for surface coloring and printing on supports, wrappings and objects intended for coming into contact with foods.Type: ApplicationFiled: May 20, 2004Publication date: December 9, 2004Applicant: MABER S.r.I.Inventors: Federica Del Moro, Junio Caselli
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Patent number: 6793727Abstract: A pigment composition which shows excellent flowability and stability with time, when used for an ink, and whose printed matter shows an excellent gloss, clearness, color strength and migrationfastness, and an ink composition, which pigment composition is formed of a phthalocyanine type pigment and a compound of the formula (1), P-[SO3−.Fen+/n]m (1) (wherein P is a metal-free or metal phthalocyanine residue which may be substituted with a chlorine atom, a bromine atom or both of them, n is 2 or 3 and m is a number of 1 to 4).Type: GrantFiled: May 16, 2003Date of Patent: September 21, 2004Assignee: Toyo Ink Mfg. Co., Ltd.Inventors: Akimitsu Mochizuki, Shigeki Kato
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Patent number: 6623553Abstract: An edible ink with a viscosity of about 2000 to about 16000 cp at 25° C.Type: GrantFiled: April 20, 2001Date of Patent: September 23, 2003Inventors: John Russell, Andrew Candler, Angela Wright
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Publication number: 20020152927Abstract: An edible ink with a viscosity of about 2000 to about 16000 cp at 25° C.Type: ApplicationFiled: April 20, 2001Publication date: October 24, 2002Inventors: John Russell, Andrew Candler, Angela Wright