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  Colorant compositionsRelated Patent Categories: Organic Compounds -- Part Of The Class 532-570 Series, Involving Autoimmunity, Allergy, Immediate Hypersensitivity, Delayed Hypersensitivity, Immunosuppression, Or Immunotolerance, Azo, Hetero Ring Containing, Azo Bonded Directly To The Hetero Ring Or To A Polycyclo Ring System Which Contains The Hetero Ring As One Of The Cyclos, The Hetero Ring Is One Of The Cyclos In A Polycyclo Ring System, The Hetero Ring Consists Of Sulfur, Nitrogen And Carbon (e.g., Benzothiazole, Etc.)The Patent Description & Claims data below is from USPTO Patent Application 20080119644. Brief Patent Description - Full Patent Description - Patent Application Claims
This application is a divisional of U.S. application Ser. No. 11/204,612, filed Aug. 16, 2005, U.S. Publication 20050272902, which is a divisional of U.S. application Ser. No. 10/854,580, filed May 25, 2004, now U.S. Pat. No. 6,969,759, which is a divisional of U.S. application Ser. No. 10/422,742, filed Apr. 24, 2003, now U.S. Pat. No. 6,764,541, the disclosures of each of which are totally incorporated herein by reference. CROSS-REFERENCES TO COPENDING APPLICATIONSCopending application U.S. Ser. No. 10/422,755, filed Apr. 24, 2003, now U.S. Pat. No. 7,034,185, entitled “Colorant Precursor Compositions,” with the named inventors Jeffery H. Banning, Donald R. Titterington, and Clifford R. King, the disclosure of which is totally incorporated herein by reference, discloses colorant precursor compounds of the formula wherein R is an alkyl group, an aryl group, an arylalkyl group, or an alkylaryl group, and wherein R can be joined to the phenyl moiety to form a ring, each R′, independently of the others, is a halogen atom, an alkyl group, an alkoxy group, a nitrile group, a nitro group, an amide group, or a sulfonamide group, z is an integer of 0, 1, 2, 3, or 4, n is an integer representing the number of carbon atoms in each repeat alkylene oxide unit, and x is an integer representing the number of repeat alkylene oxide units, wherein said colorant precursor has no more than one —OH, —SH, or primary or secondary amino group per molecule. Copending application U.S. Ser. No. 10/422,897, filed Apr. 24, 2003, now U.S. Pat. No. 6,790,267, entitled “Colorant Compositions,” with the named inventors Jeffery H. Banning, Donald R. Titterington, and Clifford R. King, the disclosure of which is totally incorporated herein by reference, discloses colorant compounds of the formula wherein R is an alkyl group, an aryl group, an arylalkyl group, or an alkylaryl group, and wherein R can be joined to the phenyl moiety to form a ring, each R′, independently of the others, is a halogen atom, an alkyl group, an alkoxy group, a nitrile group, a nitro group, an amide group, or a sulfonamide group, z is an integer of 0, 1, 2, 3, or 4, n is an integer representing the number of carbon atoms in each repeat alkylene oxide unit, x is an integer representing the number of repeat alkylene oxide units, and A and B each, independently of the other, are hydrogen atoms, halogen atoms, tertiary amino groups, imine groups, ammonium groups, cyano groups, pyridine groups, pyridinium groups, ether groups, ester groups, amide groups, sulfate groups, sulfonate groups, sulfide groups, sulfoxide groups, phosphine groups, phosphonium groups, phosphate groups, nitrile groups, mercapto groups, nitro groups, sulfone groups, acyl groups, azo groups, cyanato groups, alkyl groups, alkoxy groups, aryl groups, aryloxy groups, arylalkyl groups, arylalkyloxy groups, alkylaryl groups, or alkylaryloxy groups, wherein said colorant has no more than one —OH, —SH, or primary or secondary amino group per molecule. Copending application U.S. Ser. No. 10/422,895, filed Apr. 24, 2003, U.S. Publication 20040214918, entitled “Colorant Compositions,” with the named inventors Jeffery H. Banning, Donald R. Titterington, and Clifford R. King, the disclosure of which is totally incorporated herein by reference, discloses colorant compounds of the formula
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