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Class Information
Number: 106/31.81
Name: Compositions: coating or plastic > Coating or plastic compositions > Marking > Inks > Pigment containing > Organic nitrogen compound containing > The nitrogen is part of an acyclic azo group > Plural acyclic azo group component containing
Description: Compositions wherein a plural acyclic azo group containing compound is present.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8034174 Diarylide yellow pigments Oct. 11, 2011
7901503 Pigments for non-aqueous inks and coatings Mar. 8, 2011
7621992 Ink composition including chromophore-mimic additive and inkjet printer cartridge and inkjet recording apparatus including the same Nov. 24, 2009
7449500 Ink jet ink containing multimetallic polymeric colorants Nov. 11, 2008
7384472 Pigment preparations based on PY 155 Jun. 10, 2008
7341626 Pigment compositions consisting of organic and inorganic pigments Mar. 11, 2008
7318863 Azo pigment preparations for packaging gravure and flexographic printing Jan. 15, 2008
7309389 Preparation of azo colorants in microreactors and their use in electrophotographic toners and developers, powder coatings, ink jet inks and electronic medias Dec. 18, 2007
7300511 Low viscosity, highly pigmented oil based dispersions exhibiting a low relative interfacial tension drop Nov. 27, 2007
7279033 Ink jet and ink jet recording method Oct. 9, 2007
7173114 Lightfast colorant and lightfast ink composition including the same Feb. 6, 2007
7160377 Aqueous, colloidal gas black suspension Jan. 9, 2007
7156910 Yellow ink composition, ink set, and recording method, recording system and recorded matter which use the ink composition and ink set Jan. 2, 2007
7141105 Water-based fluorescent ink, recorded image using the same, and judging method Nov. 28, 2006
7135062 Hydrophilic coloring matter for recording image, aqueous coloring agent for recording image, method and device for recording image Nov. 14, 2006
7115164 Preparation of yellow pigments Oct. 3, 2006
7083674 Pigment dispersant, and pigment composition, pigment dispersion and printing ink using the same Aug. 1, 2006
7056376 Printing process using specified AZO compounds Jun. 6, 2006
7008475 Water-based colorant preparations Mar. 7, 2006
7005004 Aqueous, colloidal gas black suspension Feb. 28, 2006
6918955 Ink-jet recording liquid and process for producing the same Jul. 19, 2005
6852154 Ink set Feb. 8, 2005
6764541 Colorant compositions Jul. 20, 2004
6756486 Non-migrating metallized disazo green shade yellow pigment Jun. 29, 2004
6746526 Disazodyestuffs for ink jet printing Jun. 8, 2004
6702883 Ink composition and ink set each excellent in color reproduction and light resistance, and method of recording with these Mar. 9, 2004
6641655 Fluidizing agents Nov. 4, 2003
6602335 Pigment solubilization via treatment with strong base and substitution Aug. 5, 2003
6358304 Ink with flow characteristics Mar. 19, 2002
6303762 Method of producing disazo pigment Oct. 16, 2001
6284029 Yellow ink realizing image having excellent lightfastness and color development Sep. 4, 2001
6152999 Color pigmented ink jet set Nov. 28, 2000
6117606 Use of pigment yellow 155 in electrophotographic toners and developers, powder coatings and inkjet inks Sep. 12, 2000
6110267 Pigment combinations for inks for the intaglio printing of illustrations, having improved rheological properties Aug. 29, 2000
6005085 Condensed azo compounds and process for preparing the same Dec. 21, 1999
5965715 Bisazo compounds and process for the preparation thereof Oct. 12, 1999
5904878 Fluorescent orange azo pigments May. 18, 1999
5889162 Strong green-shade yellow disazo pigment Mar. 30, 1999
5882394 Aqueous pigment paste for offset ink, process for producing the paste, and use thereof Mar. 16, 1999
5863459 Fluorescent yellow azo pigments Jan. 26, 1999
5853464 Pigment compositions Dec. 29, 1998
5840106 Water-based pigmented inks Nov. 24, 1998
5803962 Disazo pigment composition and printing ink Sep. 8, 1998
5718754 Pigment compositions Feb. 17, 1998
5683500 Aqueous ink compositions and methods for their production Nov. 4, 1997
5597387 Water-soluble polyazo dyestuffs Jan. 28, 1997
5575843 Process for improving color value of a pigment Nov. 19, 1996
5559216 Single-step process for the preparation of bis-(acetoacetylamino) benzene disazo pigments Sep. 24, 1996
5482548 Pigment compositions Jan. 9, 1996
5354369 Ink, ink-jet recording process making use of the ink, and equipment therefor Oct. 11, 1994

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