Five-ring Members In The Heteroyclic Ring Patents (Class 106/31.78)
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Patent number: 7247194Abstract: An ink jet ink is disclosed which includes water, a water-soluble organic solvent and a coloring material and has excellent properties. The coloring material is a specific phthalocyanine derivative and is contained in a specific amount in the ink. The water-soluble organic solvent includes a specific amount of 2-pyrrolidone. In addition, a d75 value is in a specific range where the d75 value corresponds to 75% of a dispersion distance distribution, measured by a small angle X-ray scattering method, of molecular aggregates in the ink jet ink whose coloring material concentration is adjusted to 0.5 mass %.Type: GrantFiled: December 30, 2005Date of Patent: July 24, 2007Assignee: Canon Kabushiki KaishaInventors: Daiji Okamura, Shin-ichi Sato, Jun Yoshizawa, Kunihiko Nakamura, Tomohiro Yamashita, Masanori Jinnou
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Patent number: 7238228Abstract: A metal chelate of Formula (1) or salt thereof. Formula (1) wherein: R1 and R2 are each independently H or an organic group; M is a metal; p is 1 to 4; Y is an optionally substituted heterocyclic ring with a nitrogen ortho to the azo bridge; G is a substituent; and n is 0 to 5.Type: GrantFiled: March 15, 2004Date of Patent: July 3, 2007Assignee: Fujifilm Imaging Colorants LimitedInventors: Gavin Wright, Peter Gregory
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Patent number: 7238227Abstract: A metal chelate compound of Formula: (1) or a salt thereof: [A—N?N—B] M (1) wherein: A is a 5- or 6-membered heterocyclic ring other than a triazole ring, optionally carrying one or more substituents; B is of the Formula (2a) or (2b). Formula (2a) (2b) wherein: X, Y and W are substituents other than H; M is a metal chelated to A—N?N—B; and n is 0 to 4.Type: GrantFiled: February 17, 2004Date of Patent: July 3, 2007Assignee: Fujifilm Imaging Colorants LimitedInventors: Clive Edwin Foster, Gavin Wright, Kevin Johnson, Mairi Elizabeth Raggatt, Prakash Patel
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Patent number: 7229489Abstract: A water-color ink with which a high print quality can be obtained on ordinary paper, recycled paper or coated paper, and which has excellent storage stability. The water-color ink includes at least a color material and 2-butyl-2-ethyl-1,3-propanediol.Type: GrantFiled: July 11, 2005Date of Patent: June 12, 2007Assignee: Seiko Epson CorporationInventor: Masahiro Yatake
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Patent number: 7226498Abstract: To provide an ink jet yellow ink having a favorable color tone and capable of providing an image excellent in humidity resistance. The ink jet yellow ink of the present invention is an ink jet yellow ink to be used in combination with an ink jet light-color ink comprising at least a coloring material and a water-soluble organic solvent, wherein the coloring material of the ink jet yellow ink is a compound represented by the following General Formula (I) or a salt thereof, and wherein the ink jet light-color ink satisfies a specific condition; wherein M's each independently represent a hydrogen atom, an alkali metal, an alkali earth metal, a cation of organic amine or an ammonium ion, and n's each independently represent 1 or 2; and Y?2.8X+10.Type: GrantFiled: January 31, 2006Date of Patent: June 5, 2007Assignee: Canon Kabushiki KaishaInventors: Tomohiro Yamashita, Shin-ichi Sato, Jun Yoshizawa, Kunihiko Nakamura
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Patent number: 7214260Abstract: 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.Type: GrantFiled: June 4, 2004Date of Patent: May 8, 2007Assignee: Fuji Xerox Co., Ltd.Inventors: Takatsugu Doi, Chizuru Koga, Takashi Ogino, Kiyoshi Hosoi, Tsukasa Matsuda
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Patent number: 7201791Abstract: There is provided an ink jet light-color ink which is excellent in color developability and is capable of achieving compatibility between environmental gas resistance and bronze resistance. The ink jet light-color ink to be used in combination with ink jet deep-color ink has a relatively large coloring material content, and comprises at least water, a water-soluble organic solvent, and a coloring material. The ink jet deep-color ink and the ink jet light-color ink satisfy specific conditions.Type: GrantFiled: January 26, 2006Date of Patent: April 10, 2007Assignee: Canon Kabushiki KaishaInventors: Daiji Okamura, Yoshihisa Takizawa, Shin-ichi Sato, Jun Yoshizawa, Kunihiko Nakamura, Yoshihide Aikawa, Tomohiro Yamashita, Masanori Jinnou
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Patent number: 7198667Abstract: Solid pigment preparations containing the following ingredients as substantial components: (A) 60–85 wt. % of at least one organic pigment, (B) 0.1–15 wt.Type: GrantFiled: November 28, 2003Date of Patent: April 3, 2007Assignee: BASF AktiengesellschaftInventors: Ingo Klopp, Juan Antonio Gonzalez Gomez, Uwe Mauthe, Hansulrich Reisacher, Andreas Stohr
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Phthalocyanine compounds, ink compositions comprising said compounds, and printing process therewith
Patent number: 7156908Abstract: A process for forming an image on a substrate comprising applying a composition comprising: (a) a compound of Formula (1) and salts thereof, wherein: M is Cu or Ni; Pc represents a phthalocyanine nucleus of Formula (2); R1, R2 and R3 independently are H or optionally substituted C1-4alkyl; R4 is optionally substituted C1-4-hydroxyalkyl; x is greater than 0 and less than 1.8; y and z are both greater than 0; and the sum of (x+y+z) is 2.4 to 4.5: and (b) a liquid medium: thereto by means of an ink jet printer.Type: GrantFiled: September 19, 2003Date of Patent: January 2, 2007Assignee: Fujifilm Imaging Colorants LimitedInventor: Prakash Patel -
Patent number: 7156910Abstract: It is an object of the present invention to provide a yellow ink composition which is superior in terms of color reproducibility not only in the high-brightness (high-L*) region, but also in the low-brightness yellow region, i.e., in the region of “low L*, a* close to zero, and high b*”, and an ink set equipped with a yellow ink which has a brightness that is high enough that graininess can be sufficiently suppressed, and which is also superior in terms of color reproducibility in the low-brightness yellow region, i.e., in the region of “low L*, a* close to zero, and high b*”. The present invention provides a yellow ink composition in which the Y value is 86 or greater when the Z value in the XYZ display system stipulated by the CIE is 23. Furthermore, the present invention also provides a yellow ink composition which contains a metal complex pigment. In particular, the yellow ink composition of the present invention can express a low-brightness yellow color with good reproducibility.Type: GrantFiled: April 28, 2005Date of Patent: January 2, 2007Assignee: Seiko Epson CorporationInventors: Shuichi Koganehira, Hironori Sato
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Patent number: 7153358Abstract: A pigment preparation comprising a) at least one diketopyrrolopyrrole pigment of the formula (V) as a base pigment and b) at least one pigment dispersing agent based on sulphonated diketopyrrolopyrrole derivatives and the use thereof for the undistorted coloration of plasticsType: GrantFiled: July 2, 2003Date of Patent: December 26, 2006Assignee: Clariant GmbHInventors: Joachim Weber, Thomas Hundsdorf, Matthias Ganschow
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Patent number: 7147698Abstract: Ink comprising a compound of Formula (1) and salts thereof: Formula (1) wherein: Pc represents a phthalocyanine nucleus of Formula (2); Formula (2) x is greater than 0 and less than 1.8; y and z are both greater than 0; and the sum of (x+y+z) is 2.4 to 4.5: and a liquid medium.Type: GrantFiled: September 19, 2003Date of Patent: December 12, 2006Assignee: Fujifilm Imaging Colorants LimitedInventor: Prakash Patel
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Patent number: 7141105Abstract: The present invention relates to a water-based fluorescent ink for the purpose of measurement or judgment of the fluorescence emission in a visible light region by an excitation wavelength in a predetermined ultraviolet range, containing water, a coloring material dissolved or dispersed in water, and an organic solvent, having a plurality of fluorescent groups in the coloring material structure of the coloring material, and using a water-soluble coloring material having a sulfonic acid group as the water-soluble group in the state of a free acid, capable of improving the water resistance and the light resistance, dramatically increasing the content of the fluorescent coloring material in the ink, which has conventionally been included only by a small amount in the ink due to the concentration quenching problem, obtaining preferable fluorescence emission and water resistance of the recorded image, and providing preferable adhesion resistance to the recording medium of the coloring material and reliability.Type: GrantFiled: October 29, 2004Date of Patent: November 28, 2006Assignee: Canon Kabushiki KaishaInventors: Masako Udagawa, Shoji Koike, Makoto Aoki, Akira Nagashima, Shinichi Hakamada
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Patent number: 7135062Abstract: Image-recording, hydrophilic colorants having an organic pigment linked to a hydrophilic compound through a linking group and which are capable of forming images excellent in print quality such as chroma, gloss, density, light fastness and abrasion fastness, and also as hydrophilic colorants capable of affording inks excellent in physical properties such as long-term storability and press stability are described.Type: GrantFiled: June 11, 2004Date of Patent: November 14, 2006Assignee: Dainichiseika Color & Chemicals Mfg. Co., Ltd.Inventors: Michiei Nakamura, Hideyuki Koiso, Naoyuki Sakai, Yoshiyuki Zama, Atsushi Nogami, Hiroyuki Shimanaka, Seishichi Sasaki, Hiroaki Saikatsu
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Patent number: 7132012Abstract: An ink comprising a compound represented by formula (I) as defined in the specificationType: GrantFiled: July 15, 2005Date of Patent: November 7, 2006Assignee: Fuji Photo Film Co., Ltd.Inventors: Keiichi Tateishi, Yoshiharu Yabuki
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Patent number: 7125442Abstract: 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: GrantFiled: May 24, 2004Date of Patent: October 24, 2006Assignee: Samsung Electronics Co., Ltd.Inventors: Kyung-hoon Lee, Seung-min Ryu, Yeon-kyoung Jung
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Patent number: 7115164Abstract: A process for the manufacture of a transparent Pigment Yellow 155 or transparent Pigment Yellow 180 is disclosed, said process includes grinding particles of said pigment in the presence of a grinding agent until said particles achieve a surface area of at least about 40 m2/g.Type: GrantFiled: February 28, 2005Date of Patent: October 3, 2006Assignee: Sun Chemical CorporationInventors: George H. Robertson, Edward H. Sung, Veronica L. Chambers
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Patent number: 7108742Abstract: The invention relates to an ink composition containing (a) a compound of formula (I), Lm?Ln3+(Ch?)n (I), wherein Ln represents a lanthanide, CH? is a negatively charged ligand containing at least one UV absorbing double bond, n denotes 3 or 4, m denotes a number from 1 to 4, in case n is 3, m denotes a number from 1 to 4 and L is a neutral monodentate or polydentate nitrogen-, oxygen- or sulfur-containing UV absorbing ligand with the exception of 2,2?-bipyridyl or, in case n is 4, m denotes 1 and L is a single-charged cation; and (b) a liquid ink carrier, which can be used for applying hidden mark on objects which can only be revealed under UV exposure.Type: GrantFiled: February 18, 2003Date of Patent: September 19, 2006Assignee: Ciba Specialty Chemicals CorporationInventors: Véronique Hall-Goulle, Stefan Koller, Mickael Mheidle
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Patent number: 7097701Abstract: An ink containing a phthalocyanine compound represented by the formula (I): wherein X1 to X4, Y1 to Y4, A1 to A4, and M are defined herein.Type: GrantFiled: December 29, 2003Date of Patent: August 29, 2006Assignee: Fuji Photo Film Co., Ltd.Inventors: Keiichi Tateishi, Yoshiharu Yabuki, Shigeaki Tanaka
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Patent number: 7087107Abstract: According to the present invention, a novel phthalocyanine compound having a specific structure is provided, and an ink, an inkjet recording ink, an inkjet recording method and a method for improving preservability of a formed image, each using the compound, are also provided. The novel phthalocyanine compound of the present invention has a sufficiently high fastness to light, heat, humidity and active gases in the environment and by using an ink, particularly inkjet recording ink, containing the phthalocyanine compound, an image having high fastness to light and ozone gas in the environment can be formed.Type: GrantFiled: January 18, 2002Date of Patent: August 8, 2006Assignee: Fuji Photo Film Co., Ltd.Inventors: Keiichi Tateishi, Masaki Noro, Yoshiharu Yabuki, Hideaki Naruse, Tadashi Omatsu
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Patent number: 7070646Abstract: The invention provides an ink composition comprising a charge generating material and a medium wherein the charge generating material absorbs radiation in both the near infra-red and visible regions of the electromagnetic spectrum. Also provided is an electrophotographic toner composition comprising a binder resin and the charge generating material. The compositions are useful in, for example, security marking wherein the composition is printed on an article or substrate. Methods of establishing the authenticity of an article or substrate are also provided which comprise detecting an absorption of infra-red radiation by the charge generating material.Type: GrantFiled: October 2, 2002Date of Patent: July 4, 2006Assignee: Avecia LimitedInventor: James Stanley Campbell
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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: 7052538Abstract: A composition comprising a liquid medium and a compound of Formula (1) or salt thereof: wherein: A is optionally substituted phenyl or naphthyl provided A is not 2-sulpho-4-methoxyphenyl; B is optionally substituted phenylene or naphthylene; n is 0 or 1; D is a pyrazolonyl group; and wherein the liquid medium comprises an organic solvent. Also claimed are inks comprising said compositions and processes for printing.Type: GrantFiled: May 8, 2003Date of Patent: May 30, 2006Assignee: Avecia LimitedInventors: Prahalad Manibhai Mistry, Roy Bradbury
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Patent number: 7041161Abstract: A composition comprising a liquid medium and a compound of Formula (1) or salt thereof: wherein: A is 2-sulpho-4-methoxyphenyl; B is optionally substituted phenylene or naphthylene; n is 0 or 1; and D is a pyrazolonyl group; wherein the liquid medium comprises an organic solvent, inks comprising this composition and printing processes.Type: GrantFiled: May 8, 2003Date of Patent: May 9, 2006Assignee: Avecia LimitedInventors: Prahalad Manibhai Mistry, Roy Bradbury
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Patent number: 7029526Abstract: The invention pertains to the field of green color filters and LCDs. It has been found that pigments with surprisingly improved coloristic, chemical and physical properties are obtained by salt-kneading a halogenated phthalocyanine pigment together with a yellow pigment of the disazo condensation, barbituric acid or azoquinolone series. The process takes place in the presence of an organic liquid and in the absence of binder or optionally in the presence of a relatively small amount of binder. Claimed are the process itself as well as the green pigment composition obtained by the process and compositions comprising it.Type: GrantFiled: October 10, 2002Date of Patent: April 18, 2006Assignee: Ciba Specialty Chemicals CorporationInventors: Véronique Hall-Goulle, Takashi Deno
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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: 7025819Abstract: This invention relates to a process for producing 5-methyl-N-(methyl aryl)-2-pyrrolidone, 5-methyl-N-(methyl cycloalkyl)-2-pyrrolidone and 5-methyl-N-alkyl-2-pyrrolidone by reductive amination of levulinic acid esters with aryl or alkyl cyano compounds utilizing a metal catalyst, which is optionally supported.Type: GrantFiled: October 15, 2004Date of Patent: April 11, 2006Assignee: E. I. duPont de Nemours and CompanyInventor: Leo Ernest Manzer
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Patent number: 7022171Abstract: A process for coloration of a substrate comprising applying thereto by means of an ink-jet printer an ink composition comprising a compound of Formula (1) or salt thereof: wherein: M is 2H, Si, a metal, an oxymetal group, a hydroxymetal group or a halometal group; Pc is a phthalocyanine nucleus of Formula (2); each R1 and R2 independetly are H, C1-4alkyl or C1-4hydroxyalkyl; R3 is phenyl carrying 1 or 2 sulpho substituents or phenyl carrying at least 1 carboxy or 1 phosphato substituent and having further optional substituents; x, y and z are all greater than 0 and the sum of (x+y+z) is 2 to 5.Type: GrantFiled: February 27, 2003Date of Patent: April 4, 2006Assignee: Avecia LimitedInventors: Prakash Patel, Tina Margaret Horrobin
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Patent number: 7018456Abstract: A metal phthalocyanine compound that is useful as a black colorant suitable for use in an ink-jet recording ink, a water-based ink composition containing the metal phthalocyanine compound, and a product colored with the metal phthalocyanine compound. In particular, a metal phthalocyanine compound having, as substituents, both an acylamino group and a carboxyethylamino group on the phthalocyanine structure, or the salt thereof is used as a black colorant. Recorded images formed by the use of this colorant are excellent in light fastness and water fastness and exhibit absorption in infrared and visible regions, so that highly effective utilization can be found in printing of, for example, bar codes which are available in near-infrared ray reading.Type: GrantFiled: March 5, 2003Date of Patent: March 28, 2006Assignee: Nippon Kayaku Kabushiki KaishaInventors: Yoshinori Katoh, Isao Yamaguchi
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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: 7014697Abstract: This invention relates to a process for producing 5-methyl-N-(methyl aryl)-2-pyrrolidone, 5-methyl-N-(methyl cycloalkyl)-2-pyrrolidone and 5-methyl-N-alkyl-2-pyrrolidone by reductive amination of levulinic acid esters with aryl or alkyl cyano compounds utilizing a metal catalyst, which is optionally supported.Type: GrantFiled: October 15, 2004Date of Patent: March 21, 2006Assignee: E.I. du Pont de Nemours and CompanyInventor: Leo Ernest Manzer
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Patent number: 7014696Abstract: A compound of Formula (1) and salts thereof: wherein: M is 2H, Si, a metal, an oxymetal group, a hydroxymetal group or a halometal group; Pc represents a phthalocyanine nucleus of Formula (2); R1, R2 and R3 independently are H or optionally substituted C1-4 alkyl; R4 is an optionally substituted cyclic or an optionally substituted acyclic alkene optionally interrupted with a hetero atom; x and z are both greater than 0; y is 0 to 4; and the sum of (x+y+z) is 2 to 5. Also compositions and inks comprising compounds of Formula (1); processes for printing these compositions and substrates printed with said compositions and inks; and ink jet printer cartridges.Type: GrantFiled: January 23, 2003Date of Patent: March 21, 2006Assignee: Avecia LimitedInventor: Prakash Patel
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Patent number: 7011700Abstract: The present invention relates to an antibacterial colorant and a composition that includes the antibacterial colorant. The antibacterial colorant has at least one functional group and at least one antibacterial moiety bound thereto by an ester bond or an amide bond.Type: GrantFiled: August 25, 2003Date of Patent: March 14, 2006Assignee: Samsung Electronics Co., Ltd.Inventors: Yeon-kyoung Jung, Seung min Ryu, Kyung-hoon Lee
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Patent number: 7008475Abstract: The invention relates to aqueous colorant preparations containing A) between 0.1 and 50 wt. % of at least one organic and/or inorganic pigment and/or at least one organic colorant. B) between 0.01 and 80 wt. % of at least one naphthol-oxyalkylate sulfopropyl ether, one alkanol-oxyalkylate sulfopropyl ether or one alkylphenol-oxyalkylate sulfopropyl ether. C) between 0 and 30 wt. % of at least one organic solvent. D) between 0 and 20 wt. % of other standard derivatives and E) between 10 and 90 wt % of water, respectively in relation to the total weight (100%) of the colorant preparation. The colorant preparation is used, for example, in printing inks, especially ink jet printing inks.Type: GrantFiled: June 21, 2002Date of Patent: March 7, 2006Assignee: Clariant GmbHInventors: Rudolf Randler, Ulrike Rohr, Josef Geisenberger, Ruediger Baur, Hans-Tobias Macholdt, Heidemarie Menzel
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Patent number: 7002021Abstract: Diketopyrrolopyrroles of the formula (I): wherein R1, R2, R3 and R4 independently of one another are a C1–C4 alkyl radical or a substituted or unsubstituted phenyl radical, wherein the phenyl radical can be substituted by 1, 2, 3 or 4 substituents from the group C1–C4 alkyl, C1–C4 alkoxy, CN, F, Cl, Br, NO2, CF3, S—C1–C4 alkyl, phenyl or (C1–C2)alkylenephenyl, with the proviso that at least one of the radicals, R1, R2, R3, or R4, is one of the stated substituted or unsubstituted phenyl radicals.Type: GrantFiled: June 6, 2003Date of Patent: February 21, 2006Assignee: Clariant GmbHInventors: Felix W. Grimm, Hans Joachim Metz, Joachim Weber, Andreas Wacker
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Patent number: 6995275Abstract: This invention relates to a process for producing N-aryl-2-lactams, N-alkyl-2-lactams, and N-cycloalkyl-2-lactams by reductive amination of lactones with aryl or alkyl nitro compounds utilizing a metal catalyst, which is optionally supported.Type: GrantFiled: September 8, 2004Date of Patent: February 7, 2006Assignee: E.I. duPont de Nemours and CompanyInventor: Leo Ernest Manzer
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Patent number: 6992195Abstract: This invention relates to a process for producing N-aryl-2-lactams and N-cycloalkyl-2-lactams by reductive amination of lactones with aryl amines utilizing a metal catalyst, which is optionally supported.Type: GrantFiled: September 17, 2004Date of Patent: January 31, 2006Assignee: E. I. du Pont de Nemours and CompanyInventor: Leo Ernest Manzer
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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: 6979364Abstract: A metal chelate compound of the Formula (1) and salts thereof: wherein: one of A and B is OH and the other is an azotriazole group; and M is a metal or boron; and n is 0 to 4; compositions and inks containing a compound of Formula (1), a process for ink jet printing using the inks and an ink jet printer cartridge containing the ink.Type: GrantFiled: May 20, 2003Date of Patent: December 27, 2005Assignee: Avecia LimitedInventors: Gavin Wright, Kevin Johnson, Mairi Elizabeth Raggatt, Prakash Patel
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Patent number: 6972304Abstract: Disclosed is an aqueous ink composition comprising an aqueous liquid vehicle, a colorant, and an additive wherein, when the ink has been applied to a recording substrate in an image pattern and a substantial amount of the aqueous liquid vehicle has either evaporated from the ink image, hydrogen bonds of sufficient strength exist between the additive molecules so that the additive forms hydrogen-bonded oligomers or polymers.Type: GrantFiled: September 7, 2001Date of Patent: December 6, 2005Assignee: Xerox CorporationInventors: Thomas W. Smith, David J. Luca, Kathleen M. McGrane
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Patent number: 6969421Abstract: A process for printing an image on a substrate comprising applying thereto by means of an ink jet printer an ink containing a metal chelate compound of the Formula (1) and salts thereof: wherein: one of A and B is OH and the other is an azotriazole group; each W independently is a carboxy or carbonamido group; each X independently is a substituent other than H, sulphonamido, carboxy, sulpho and carbonamido; J is a sulphonamido group; M is a metal or boron; a, p, q and n are each independently 0, 1, 2, 3 or 4; and (p+q+a+n) is 0, 1, 2, 3 or 4. Also claimed are compounds of Formula (1), compositions and inks containing a compound of Formula (1) and an ink jet printer cartridge containing the ink.Type: GrantFiled: May 20, 2003Date of Patent: November 29, 2005Assignee: Avecia LimitedInventors: Gavin Wright, Kevin Johnson, Mairi Elizabeth Raggatt, Prakash Patel
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Patent number: 6953502Abstract: Provided are a navy blue water based ink composition for a ballpoint pen comprising a colorant, water and a dispersant, wherein at least cobalt phthalocyanine blue is used as the colorant, and a pH of the ink falls in a range of 7 to 10, and a ballpoint pen occulding the water based ink composition. Cobalt phthalocyanine blue has preferably a diameter of 500 nm or more and a content of 0.05 to 30% by weight based on the total amount of the ink composition.Type: GrantFiled: June 27, 2001Date of Patent: October 11, 2005Assignee: Mitsubishi Pencil Kabushiki KaishaInventor: Hideyuki Ikoma
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Patent number: 6942723Abstract: This invention provides an water-base ink achieving high print quality on plain, recycled, and coated paper, glossiness on glossy paper, as well as well-balanced gas fastness, and an water-base ink set which exhibits low light source dependence with regard to the colors of resultant printed matter. This invention is an water-base ink comprising a pigment, a surfactant and/or a penetrating organic solvent, and water, wherein the pigment is a copper phthalocyanine pigment substituted with eight or less chlorine atoms; the surfactant is an acetylene glycol surfactant and/or an acetylene alcohol type surfactant; and the penetrating organic solvent is one or more selected from the group consisting of di(tri)ethylene glycol monobutyl ether and/or (di)propylene glycol monobutyl ether, and 1,2-allylene glycol. This invention is also an water-base ink set comprising the water-base ink, a magenta ink and a yellow ink.Type: GrantFiled: May 7, 2004Date of Patent: September 13, 2005Assignee: Seiko Epson CorporationInventors: Masahiro Yatake, Jun Ito, Motoki Masuda
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Patent number: 6913640Abstract: Novel improved single-phase mixed crystals of monoazo dyes laked with alkaline earth metal cations and ammonium cations in a molar ratio of about 1:2 having a fine particle size and substantially better fastness properties than similar known products are excellently suitable as tinctorially strong pigments. Also claimed is a process for the preparation of a single-phase mixed crystal pigment of formula wherein E is Mg, Ca or Sr, by crystallisation from an inert hydrophilic liquid in the presence of solvated catiens E++, NR5R6R7R8+, x is a number from 0.33 to 0.62 and y is a number from 0.76 to 1.34, and the concentration of solvated catiens E++ at the beginning of the crystallisation is higher than the concentration of solvated cations NR5R8R7R8+.Type: GrantFiled: January 15, 2002Date of Patent: July 5, 2005Assignee: CIBA Specialty ChemicalsInventors: Philippe Bugnon, Carolin Sansonnens, Greig Chisholm
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Patent number: 6869472Abstract: A new high chroma, opaque gamma 2,9-dichloroquinacridone pigment specified by its particle shape and size and characterized by C.I.E color space values in masstone, and a process for its preparation is dislosed. The new gamma 2,9-dichloroquinacridone pigment is especially useful for coloring coating compositions, such as automotive paints, and plastics.Type: GrantFiled: January 24, 2002Date of Patent: March 22, 2005Assignee: Ciba Specialty Chemicals CorporationInventor: Fridolin Bäbler
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Patent number: 6863722Abstract: 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 with nitro compounds utilizing a metal catalyst, which is optionally supported.Type: GrantFiled: May 13, 2004Date of Patent: March 8, 2005Assignee: E. I. du Pont de Nemours and CompanyInventor: Leo Ernest Manzer
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Patent number: 6860934Abstract: A process for the production of a ? type copper phthalocyanine pigment having an average primary crystal diameter of 80±40 nm and a primary crystal aspect ratio of 2.0±1.0 and having a crystallite diameter of 22±5 nm in the direction perpendicular to a monoclinic ? (200) plane, a crystallite diameter of 27±5 nm in the direction perpendicular to a ? (001) plane and a crystallite diameter of 15±5 nm in the direction perpendicular to a ? (010) plane, which process comprises, dry-milling a crude copper phthalocyanine having a purity of 97 to 100% and a primary crystal diameter of 0.5 to 100 ?m at 180 to 50° C., to prepare an ?/? mixed crystal type copper phthalocyanine having an a ratio of 5 to 35%, and treating the dry-milled product in a water-miscible organic solvent.Type: GrantFiled: June 10, 2004Date of Patent: March 1, 2005Assignee: Toyo Ink Mfg. Co., Ltd.Inventors: Osamu Shiromaru, Yuusaku Ide, Toshio Oshiba, Takuya Kotani
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Patent number: 6855193Abstract: An ink jet ink composition of water, humectant and a self-assembling colorant that is capable of spontaneously forming a nanoparticulate dispersion without any prior physical attrition or surface modification, the colorant having the formula: (A)m—Q—(Z)n wherein: Q represents a chromophore; each A independently represents an organic or inorganic group capable of hydrogen bonding or other non-covalent bonding; each Z independently represents an organic or inorganic group capable of electrostatic bonding; and m and n each independently represents an integer from 0 to 10; with the proviso that n+m is at least 1; and with the further proviso that at least about 50 wt. % of the colorant is present in the composition as particles.Type: GrantFiled: August 30, 2002Date of Patent: February 15, 2005Assignee: Eastman Kodak CompanyInventors: Andrei Andrievsky, David T. Southby, Steven Evans, Dale E. Decann
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Patent number: 6852154Abstract: The invention provides: an ink set comprising a yellow ink composition, a magenta ink composition, and a cyan ink composition, wherein the magenta ink composition contains as a colorant at least one member selected from compounds represented by the following formula (1) and salts thereof; and an ink set comprising two magenta ink compositions differing in color density, wherein the magenta ink composition having a lower color density contains as a colorant at least one member selected from compounds represented by the following formula (1) and salts thereof. Also disclosed are: an ink cartridge housing the ink set; a process for recording with the ink set; and recorded matter obtained by recording with the ink set.Type: GrantFiled: April 21, 2003Date of Patent: February 8, 2005Assignee: Seiko Epson CorporationInventors: Kazuhiko Kitamura, Hiroko Hayashi, Kyoichi Oka
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Patent number: 6849110Abstract: For providing an ink composition which can reduce matamerizm while reducing the total amount of inks used when such ink composition is simultaneously used with another ink composition, and prevent reduction of the image quality, the present invention provides an ink composition wherein the difference between the maximum value and the minimum value of the reflectance of an output color through an ink jet output over a light source wavelength range of 400 to 700 nm, in which such output color satisfies formulae (1), (2) and (3) below at a spatial coordinate (L* a* b*) stipulated by CIE under the D 50 light source is not more than 20%: (1) 45?L*?55 (2) ?10<a*<10 (3) ?10<b*<10Type: GrantFiled: September 27, 2002Date of Patent: February 1, 2005Assignee: Seiko Epson CorporationInventor: Tsuyoshi Sano