The Nitrogen Is A Ring Member Of A Heterocyclic Ring Patents (Class 106/31.76)
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Patent number: 7066990Abstract: The present invention relates to an ink jet ink, an ink jet recording material or an ink jet system comprising at least one compound selected from the group consisting of a) the dialkyl hydroxylamine stabilizers, b) the nitrone stabilizers and c) the amine oxide stabilizers. The present stabilizer compounds provide ink jet prints with outstanding light stability, gas fade stability and dark storage stability. The hydroxylamines are for example N,N-dihydrocarbylhydroxylamines of the formula R1R2N—OH, wherein R1 and R2 are independently benzyl, methyl, ethyl, octyl, lauryl, dodecyl, tetradecyl, hexadecyl, heptadecyl or octadecyl, or wherein R1 and R2 are each the alkyl mixture found in hydrogenated tallow amine. The nitrone and amine oxide stabilizers are for example nitrone and amine oxide analogues of the dialkylhydroxylamine stabilizers.Type: GrantFiled: January 21, 2004Date of Patent: June 27, 2006Assignee: Ciba Specialty Chemicals CorporationInventors: Mervin G. Wood, Joseph Suhadolnik, Ramanathan Ravichandran, Sai P. Shum
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Patent number: 7056374Abstract: An aqueous ink composition which comprises a compound represented by the formula (1) or the salt thereof: (1) wherein R1 and R2 independently represent a hydrogen atom, an alkyl group, an alkoxy group, an alkanoylamino group, an alkoxyalkoxy group, a sulfonic acid group, a carboxyl group or an ureido group, m and n independently represent 1 or 2, and M1 represents a cation from a hydrogen atom, an alkali metal, an alkaline earth metal or an organic amine, or an ammonium ion. The composition has a hue and clarity suitable for the ink-jet recording, and can provide a recorded matter which is excellent in light resistance, water resistance and moisture resistance and can be controlled with respect to the degree of the discoloration or fading by the action of ozone.Type: GrantFiled: April 1, 2002Date of Patent: June 6, 2006Assignee: Nippon Kayaku Kabushiki KaishaInventors: Hirokazu Kitayama, Yasuo Shirasaki, Toru Tabei
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Patent number: 7025814Abstract: The present invention relates to an ink-jet ink, an ink-jet recording material or an ink-jet system containing at least one water-soluble hindered amine compounds of the general formula (I) or (II): wherein G1 and G2 are independently alkyl of (1) to (4) carbon atoms or are together pentamethylene; Z1 and Z2 are each methyl, or Z1 and Z2 ?together form an unsubstituted linking moiety or a linking moiety substituted by one or more groups selected from an ester, ether, hydroxy, oxo, cyanohydrin, amide, amino, carboxy or an urethane group; E is oxyl; X is an inorganic or organic anion; and wherein the local charge of cations h is equal to the total charge of anions j.Type: GrantFiled: January 8, 2002Date of Patent: April 11, 2006Assignee: Ciba Specialty Chemicals Corp.Inventor: Stéphane Biry
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Patent number: 7018455Abstract: An ink composition, a recording medium or printed matter containing a compound expressed by General Formula 1 The compound has a weight reduction after 1 hour at 60°C. of no more than 1%. This makes it possible to provide the ink composition, a recording medium, printed matter, and an ink jet recording method wherein a light resistance of the printed matter is excellent, there is no ink clogging, and a high-quality image with almost no yellowing of the printed matter can be obtained.Type: GrantFiled: March 21, 2002Date of Patent: March 28, 2006Assignee: Seiko Epson CorporationInventors: Kazuhiko Kitamura, Yasuhiro Oki, Tetsuya Aoyama, Kyoichi Oka, Nobuo Uotani, Hiroshi Takahashi, Yuji Ito
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Patent number: 7014698Abstract: An oil-based pigmented ink composition containing a pigment, a polymer and an organic solvent, wherein the organic solvent contains a (poly)alkylene glycol derivative in an amount of 30 to 90% by weight and a nitrogen-containing heterocyclic compound in an amount of 1 to 30% by weight, each based on the whole weight of the ink composition, and the ink composition has a flash point of at least 63° C.Type: GrantFiled: June 10, 2004Date of Patent: March 21, 2006Assignee: Hitachi Maxell, Ltd.Inventors: Takuo Mizutani, Takahiro Furutani
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Patent number: 6989056Abstract: The present invention relates to IR reflective black pigment compositions comprising a halogenated copper phthalocyanine such as C.I. Pigment Green 7 and a perylenetetracarboxylic acid diimide such as C.I. Pigment Violet 29. The compositions are characterized by an IR reflection spectrum with a positive slope in the wavelength range between 800 and 900 nm when incorporated as coloring agents in coatings or plastics. The inventive IR reflective black pigment compositions are useful for coloring high molecular weight materials like coatings, inks and plastics.Type: GrantFiled: September 20, 2004Date of Patent: January 24, 2006Assignee: Ciba Specialty Chemicals CorporationInventor: Fridolin Bäbler
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Patent number: 6890584Abstract: A non-dye containing flexographic ink containing a polymer or copolymer of a 3,4-dialkoxythiophene in which the two alkoxy groups may be the same or different or together represent an optionally substituted oxy-alkylene-oxy bridge, a polyanion and a latex binder in a solvent or aqueous medium, characterized in that the polymer or copolymer of a 3,4-dialkoxythiophene is present in a concentration of at least 0.1% by weight in the ink and that the ink is capable of producing a colorimetrically additive transparent print; a method of preparing the flexographic ink; and a flexographic printing process therewith.Type: GrantFiled: June 20, 2002Date of Patent: May 10, 2005Assignee: Agfa-GevaertInventors: Luc Leenders, Eddie Daems, Frank Louwet, Rafaël Samijn, Jean-Pierre Tahon, Roger Van den Bogaert
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Patent number: 6872243Abstract: Disclosed is a phase change ink composition comprising an ink vehicle, a colorant, and a nonpolymeric organic gelator selected from the group consisting of anthracene-based compounds, steroid compounds, partially fluorinated high molecular weight alkanes, high molecular weight alkanes with exactly one hetero atom, chiral tartrate compounds, chiral butenolide-based compounds, bis-urea compounds, guanines, barbiturates, oxamide compounds, ureidopyrimidone compounds, and mixtures thereof, said organic gelator being present in the ink in an amount of no more than about 20 percent by weight of the ink, said ink having a melting point at or below which the ink is a solid, said ink having a gel point at or above which the ink is a liquid, and said ink exhibiting a gel state between the melting point and the gel point, said ink exhibiting reversible transitions between the solid state and the gel state upon heating and cooling, said ink exhibiting reversible transitions between the gel state and the liquid state uponType: GrantFiled: September 4, 2002Date of Patent: March 29, 2005Assignee: Xerox CorporationInventors: Marcel P. Breton, Danielle C. Boils-Boissier, Donald R. Titterington, Jule W. Thomas, Jr., Jeffrey H. Banning, Christine E. Bedford, James D. Wuest
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Patent number: 6855731Abstract: This invention relates to a process for producing 5-methyl-N-aryl-2-pyrrolidone, 5-methyl-N-cycloalkyl-2-pyrrolidone, and 5-methyl-N-alkyl-2-pyrrolidone by reductive amination of levulinic acid esters with nitro compounds utilizing a metal catalyst, which is optionally supported.Type: GrantFiled: March 24, 2003Date of Patent: February 15, 2005Assignee: E. I. du Pont de Nemours and CompanyInventor: Leo Ernest Manzer
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Patent number: 6849116Abstract: Quinophthalone derivatives have the general formula I where R1, R2, R3 and R5 are independently hydrogen, halogen or C1-C4-alkyl; R4 is —SO3H, —SO3+N+R6R7R8R9, —SO2NR6R7, —CH2NR6R7, —CH2R10, —COOH, —COO?N+R6R7R8R9, —COOR11, —COR11, —NO2 or C1-C4-alkyl; R6, R7, R8 and R9 are independently hydrogen; C1-C22-alkyl or C2-C22-alkenyl whose carbon chains may be interrupted by one or more moieties selected from the group consisting of —O—, —S—, —NR12—, —CO— and —SO2— and/or which may each be mono- or polysubstituted by hydroxyl, halogen, aryl, C1-C4-alkoxy and/or acetyl; C3-C8-cycloalkyl whose carbon skeleton may be interrupted by one or more moieties selected from the group consisting of —O—, —S—, —NR12— and —CO— and/or which may be mono- or polysubstituted by hydroxyl, halogen, aryl, C1-C4-alkoxy and/or acetyl; dehydroabietyl or aryl; R6 and R7 or R6, R7 and R8 are together a 5- to 7-membered cyclic radical which includes the nitrogen atom and may include further heteroatoms; R10 is R11 is alkyl R6; R12 isType: GrantFiled: June 22, 2001Date of Patent: February 1, 2005Assignee: BASF AktiengesellschaftInventors: Jianing He, Manfred Schröck
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Publication number: 20040254265Abstract: An oil-based pigmented ink composition containing a pigment, a polymer and an organic solvent, wherein the organic solvent contains a (poly)alkylene glycol derivative in an amount of 30 to 90% by weight and a nitrogen-containing heterocyclic compound in an amount of 1 to 30% by weight, each based on the whole weight of the ink composition, and the ink composition has a flash point of at least 63° C.Type: ApplicationFiled: June 10, 2004Publication date: December 16, 2004Inventors: Takuo Mizutani, Takahiro Furutani
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Publication number: 20040244645Abstract: The present invention provides an ink set for ink jet recording using at least two kinds of liquids. The first liquid contains at least a colorant, a water soluble solvent and water, and the second liquid contains at least a compound represented by the following general formula (1), a water soluble solvent and water. The present invention also provides an ink jet recording apparatus comprising a recording head from which the ink set for ink jet recording is ejected, and an ink jet recording method by which an image is formed by applying the first and second liquids on a recording medium so as to contact each other.Type: ApplicationFiled: June 4, 2004Publication date: December 9, 2004Applicant: FUJI XEROX CO., LTD.Inventors: Takatsugu Doi, Chizuru Koga, Takashi Ogino, Kiyoshi Hosoi, Tsukasa Matsuda
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Publication number: 20040237837Abstract: A lightfast additive and an ink composition including the same include a benzophenone moiety for lightfastness and a moiety for wettability and the ability to stabilize a colorant, wherein the two moieties are covalently bonded. The lightfast additive may exhibit effective ultraviolet (UV) light absorption capacity, effective wettability, and an ability to stabilize a colorant. The ink composition utilizing the light fast additive thus has an improved lightfastness and long-term storage stability.Type: ApplicationFiled: May 24, 2004Publication date: December 2, 2004Applicant: Samsung Electronics Co., Ltd.Inventors: Kyung-hoon Lee, Seung-min Ryu, Yeon-kyoung Jung
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Patent number: 6821585Abstract: There are disclosed an ink-jet recording material comprising a support, and an ink-receptive layer provided on the support, wherein the ink-jet recording material contains at least one compound selected from a carbohydrazide compound in which at least one nitrogen atom at 1-position and 5-position is substituted by two substituents other than a hydrogen atom and a compound having a 4-oxysemicarbazide structure, and ink for ink-jet recording comprising at least one of the above-mentioned compound.Type: GrantFiled: April 23, 2002Date of Patent: November 23, 2004Assignee: Mitsubishi Paper Mills LimitedInventors: Koichi Sumioka, Kozo Haino
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Patent number: 6811597Abstract: An ink composition and/or a recording medium are made to contain a compound expressed by general formula (1) and a hydrazide compound. An ink composition thereby obtained does not clog and the ink composition and recording medium thus obtained can offer high quality images that hardly cause yellowing of the resulting recording with superior light resistance. Recording and an inkjet recording method pertaining thereto are also provided.Type: GrantFiled: March 21, 2002Date of Patent: November 2, 2004Assignee: Seiko Epson CorporationInventors: Yasuhiro Oki, Kazuhiko Kitamura, Tetsuya Aoyama, Kyoichi Oka, Nobuo Uotani, Hiroshi Takahashi, Yuji Ito
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Publication number: 20040170779Abstract: The present invention relates to an ink jet ink, an ink jet recording material or an ink jet system comprising at least one compound selected from the group consisting of a) the dialkyl hydroxylamine stabilizers, b) the nitrone stabilizers and c) the amine oxide stabilizers. The present stabilizer compounds provide ink jet prints with outstanding light stability, gas fade stability and dark storage stability. The hydroxylamines are for example N,N-dihydrocarbylhydroxylamines of the formula R1R2N—OH, wherein R1 and R2 are independently benzyl, methyl, ethyl, octyl, lauryl, dodecyl, tetradecyl, hexadecyl, heptadecyl or octadecyl, or wherein R1 and R2 are each the alkyl mixture found in hydrogenated tallow amine. The nitrone and amine oxide stabilizers are for example nitrone and amine oxide analogues of the dialkylhydroxylamine stabilizers.Type: ApplicationFiled: January 21, 2004Publication date: September 2, 2004Inventors: Mervin G. Wood, Joseph Suhadolnik, Ramanathan Ravichandran, Sai P. Shum
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Publication number: 20040099180Abstract: An aqueous ink composition which comprises a compound represented by the formula (1) or the salt thereof: (1) wherein R1 and R2 independently represent a hydrogen atom, an alkyl group, an alkoxy group, an alkanoylamino group, an alkoxyalkoxy group, a sulfonic acid group, a carboxyl group or an ureido group, m and n independently represent 1 or 2, and M1 represents a cation from a hydrogen atom, an alkali metal, an alkaline earth metal or an organic amine, or an ammonium ion. The composition has a hue and clarity suitable for the ink-jet recording, and can provide a recorded matter which is excellent in light resistance, water resistance and moisture resistance and can be controlled with respect to the degree of the discoloration or fading by the action of ozone.Type: ApplicationFiled: December 17, 2003Publication date: May 27, 2004Inventors: Hirokazu Kitayama, Yasuo Shirasaki, Toru Tabei
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Patent number: 6736888Abstract: A compound comprising a disazo chromophore and an optionally substituted heterocyclic group linked together through a —SO2—NH— group, inks comprising these compounds, ink jet printer cartridges containing these inks and their use in ink jet printing.Type: GrantFiled: March 18, 2002Date of Patent: May 18, 2004Assignee: Avecia LimitedInventor: Mark Robert James
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Publication number: 20040089198Abstract: A process for coloration of a substrate comprising applying thereto by means of an ink jet printer a composition comprising a medium and a compound of Formula (1): 1Type: ApplicationFiled: September 11, 2003Publication date: May 13, 2004Inventors: Christine Millard, Clive Edwin Foster, Peter Gregory
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Publication number: 20040065227Abstract: Disclosed is a phase change ink composition comprising an ink vehicle, a colorant, and a nonpolymeric organic gelator selected from the group consisting of anthracene-based compounds, steroid compounds, partially fluorinated high molecular weight alkanes, high molecular weight alkanes with exactly one hetero atom, chiral tartrate compounds, chiral butenolide-based compounds, bis-urea compounds, guanines, barbiturates, oxamide compounds, ureidopyrimidone compounds, and mixtures thereof, said organic gelator being present in the ink in an amount of no more than about 20 percent by weight of the ink, said ink having a melting point at or below which the ink is a solid, said ink having a gel point at or above which the ink is a liquid, and said ink exhibiting a gel state between the melting point and the gel point, said ink exhibiting reversible transitions between the solid state and the gel state upon heating and cooling, said ink exhibiting reversible transitions between the gel state and the liquid state uponType: ApplicationFiled: September 4, 2002Publication date: April 8, 2004Applicant: Xerox CorporationInventors: Marcel P. Breton, Danielle C. Boils-Boissier, Donald R. Titterington, Jule W. Thomas, Jeffrey H. Banning, Christine E. Bedford, James D. Wuest
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Patent number: 6685767Abstract: A recording liquid for ink jet containing a solid fine particle dispersion obtained by dispersing in a medium a compound represented by the following general formula (I) or (II), and an ink jet recording method of recording using the recording liquid for ink jet containing the solid fine particle dispersion obtained by dispersing in a medium a compound represented by the following general formula (I) or (II):Type: GrantFiled: April 3, 2001Date of Patent: February 3, 2004Assignee: Fuji Photo Film Co., Ltd.Inventors: Masaki Noro, Yoshiharu Yabuki, Makoto Yamada
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Patent number: 6683151Abstract: The invention relates to a compound comprising a reaction product of (A) an isocyanate functional compound of which at least 40 wt. %, relative to the total amount of (A), has a molecular weight of at least about 500, and (B) a nitrogen-containing compound capable of reacting with said isocyanate functional compound (A). The reaction product has a molecular weight of less then about 20,000 and comprises an effective amount of groups that are able to form reversible intermolecular physical interactions such that a resulting compound shows polymeric mechanical properties at a temperature below a transition temperature. The nitrogen-containing compound is, for instance, melamine, urea, acetoguanamine, benzoguanamine, cyanamide, dicyanamide, thiourea, isocytosine, pyrimidone or aminopyridine. The supramolecular compound comprising a suitable amount of the reaction products exhibits a relatively high elongation at break.Type: GrantFiled: February 24, 2000Date of Patent: January 27, 2004Assignee: DSM N.V.Inventors: Jacobus A. Loontjens, Johan E. G. A. Jansen, Bartholomeus J. M. Plum
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Publication number: 20040011249Abstract: An ink composition and/or a recording medium are made to contain a compound expressed by general formula (1) and a hydrazide compound. An ink composition thereby obtained does not clog and the ink composition and recording medium thus obtained can offer high quality images that hardly cause yellowing of the resulting recording with superior light resistance. Recording and an inkjet recording method pertaining thereto are also provided.Type: ApplicationFiled: June 24, 2003Publication date: January 22, 2004Applicant: SEIKO EPSON CORPORATIONInventors: Yasuhiro Oki, Kazuhiko Kitamura, Tetsuya Aoyama, Kyoichi Oka, Nobuo Uotani, Hiroshi Takahashi, Yuji Ito
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Patent number: 6676735Abstract: An aqueous ink comprising at least a colorant, a water-soluble organic solvent and a compound represented by general formula (I) shown below, wherein said water-soluble organic solvent stays liquid at a temperature of not higher than 40° C., exhibits a water solubility of not lower than 1% by weight at a temperature of 20° C. and a saturated vapor pressure of not higher than 1.7 Pa at a temperature of 20° C. and is contained in an amount of from 5 to 35% by weight: wherein Y represents a nonmetallic atom group required to form a 5- to 7-membered ring with C and N; X represents a hydrogen atom, oxyradical group, hydroxyl group, alkyl group, alkenyl group, alkinyl group, aryl group, acyl group, sulfonyl group, sulfinyl group, alkoxy group, aryloxy group or acyloxy group; and R1 to R4 may be the same or different and each represent a hydrogen atom or alkyl group, with the proviso that any two of R1 to R4 and Y may be connected to each other to form a 5- to 7-membered ring.Type: GrantFiled: June 21, 2001Date of Patent: January 13, 2004Assignee: Seiko Epson CorporationInventors: Yasuhiro Oki, Kazuhiko Kitamura, Tetsuya Aoyama, Nobuo Uotani, Hiroshi Takahashi, Yuji Ito
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Patent number: 6652959Abstract: Disclosed are marking particles comprising a resin, a chelating agent, and a spiropyran material which is of the formula The marking particles are prepared by an emulsion aggregation process.Type: GrantFiled: January 11, 2002Date of Patent: November 25, 2003Assignee: Xerox CorporationInventors: Daniel A. Foucher, Raj D. Patel, Naveen Chopra, Peter M. Kazmaier
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Patent number: 6582501Abstract: An ink composition for ink-jet printers is provided which includes a chromophore, a solvent, a co-solvent, a humectant, a surfactant, a viscosity adjuster and an additive. The additive is a nitrogen-containing heterocyclic compound. This nitrogen-containing heterocyclic compound has the hydroxy groups which improve miscibility with water, thereby preventing clogging of nozzles during use. The present invention increases the affinity for dye used as a chromophore and for the hydroxy groups of paper after discharging of ink, which allows the chromophore to easily fix on the paper, thus enhancing smearfastness of the ink composition after printing.Type: GrantFiled: February 26, 2001Date of Patent: June 24, 2003Assignee: Samsung Electronics Co., Ltd.Inventors: Seung-min Ryu, Seung-soon Jang, Jun-hoe Cha
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Publication number: 20030070582Abstract: A compound expressed by General Formula 1, whose weight reduction after 1 hour at 60° C. is no more than 1%, is contained in an ink composition and/or a recording medium. This makes it possible to provide an ink composition, a recording medium, printed matter, and an ink jet recording method with which the light resistance of the printed matter is excellent, there is no ink clogging, and a high-quality image with almost no yellowing of the printed matter can be obtained.Type: ApplicationFiled: March 21, 2002Publication date: April 17, 2003Applicant: SEIKO EPSON CORPORATIONInventors: Kazuhiko Kitamura, Yasuhiro Oki, Tetsuya Aoyama, Kyoichi Oka, Nobuo Uotani, Hiroshi Takahashi, Yuji Ito
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Publication number: 20020185036Abstract: An ink composition and/or a recording medium are made to contain a compound expressed by general formula (1) and a hydrazide compound. An ink composition thereby obtained does not clog and the ink composition and recording medium thus obtained can offer high quality images that hardly cause yellowing of the resulting recording with superior light resistance. Recording and an inkjet recording method pertaining thereto are also provided.Type: ApplicationFiled: March 21, 2002Publication date: December 12, 2002Applicant: SEIKO EPSON CORPORATIONInventors: Yasuhiro Oki, Kazuhiko Kitamura, Tetsuya Aoyama, Kyoichi Oka, Nobuo Uotani, Hiroshi Takahashi, Yuji Ito
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Patent number: 6478862Abstract: A method of making an ink jet ink that entails combining a water miscible organic solvent, water, and a pigment dispersion, and blending the water miscible organic solvent, the water, and the pigment dispersion together to form the ink jet ink, wherein the ink jet ink is capable of exhibiting no pigment precipitation, no pigment agglomeration, and no pigment flocculation after being stored in the absence of any agitation for a period of at least about 1 month.Type: GrantFiled: March 14, 2000Date of Patent: November 12, 2002Assignee: MacDermid Acumen, Inc.Inventor: Hamdy A. Elwakil
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Patent number: 6436178Abstract: An ink, such as an inkjet ink composition is described which contains at least one colorant, at least one liquid vehicle, at least one humectant, and at least one cyclic amide. Methods to improve the resistance to highlighter smear, minimize banding of a printed image, improve the dry or wet rub resistance of a printed image, and/or improve the waterfastness of a printed image using the ink compositions of the present invention are further described.Type: GrantFiled: December 20, 2000Date of Patent: August 20, 2002Assignee: Cabot CorporationInventor: Jason D. Hosmer
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Publication number: 20020059884Abstract: An ink composition for ink-jet printers is provided which includes a chromophore, a solvent, a co-solvent, a humectant, a surfactant, a viscosity adjuster and an additive, wherein the additive is a nitrogen-containing heterocyclic compound having formula: 1Type: ApplicationFiled: February 26, 2001Publication date: May 23, 2002Inventors: Seung-min Ryu, Seung-soon Jang
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Publication number: 20020050226Abstract: An aqueous ink comprising at least a colorant, a water-soluble organic solvent and a compound represented by general formula (I) shown below, wherein said water-soluble organic solvent stays liquid at a temperature of not higher than 40° C., exhibits a water solubility of not lower than 1% by weight at a temperature of 20° C. and a saturated vapor pressure of not higher than 1.7 Pa at a temperature of 20° C.Type: ApplicationFiled: June 21, 2001Publication date: May 2, 2002Applicant: SEIKO EPSON CORPORATIONInventors: Yasuhiro Oki, Kazuhiko Kitamura, Tetsuya Aoyama, Nobuo Uotani, Hiroshi Takahashi, Yuji Ito
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Publication number: 20020046680Abstract: A recording liquid for ink jet containing a solid fine particle dispersion obtained by dispersing in a medium a compound represented by the following general formula (I) or (II), and an ink jet recording method of recording using the recording liquid for ink jet containing the solid fine particle dispersion obtained by dispersing in a medium a compound represented by the following general formula (I) or (II): 1Type: ApplicationFiled: April 3, 2001Publication date: April 25, 2002Inventors: Masaki Noro, Yoshiharu Yabuki, Makoto Yamada
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Patent number: 6174357Abstract: An ink composition comprises red pigment and a carrier mixture. The carrier mixture comprises a bishydroxy terminated thioether and a lactam.Type: GrantFiled: July 20, 1999Date of Patent: January 16, 2001Assignee: Lexmark International, Inc.Inventor: William David Kappele