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Class Information
Number: 534/573
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Azo
Description: Compounds under Class 532, ... in which an acyclic -N=N- group is bonded directly to carbons of two discrete organic radicals.










Sub-classes under this class:

Class Number Class Name Patents
534/574 Quaternary azo group containing 14
534/575 Specified crystalline form 156
534/576 With preservative or stabilizer 33
534/577 Liquid crystal (e.g., pleochroic, etc.) 63
534/578 Formation of azo group by oxidative coupling 22
534/579 Formation of azo group by simultaneous diazotization and coupling 52
534/580 Formation of azo group from diazoamino group 21
534/581 Formation of azo group by coupling diazonium compound with coupling component in presence of an additional organic compound 303
534/582 Formation of azo group by coupling diazonium compound with coupling component at a specified ph range 374
534/583 Formation of azo group by coupling diazonium compound with coupling component in presence of ammonia, a group iia light metal hydroxide or a group ia or iia light metal phosphate 87
534/584 Formation of azo group by coupling diazonium compound with coupling component in other than stoichiometric proportions 13
534/585 Formation of azo group by reduction of nitro group 12
534/586 Formation of azo group from group having nitrogen single bonded to nitrogen 43
534/587 Formation of azo group directly from nitrogen containing compound by process other than diazotization and coupling 33
534/588 Process utilizing azo compound as reactant 134
534/603 Quaternary ammonium or hydrazinium attached indirectly to an azo group by nonionic bonding 57
534/616 Nitrogen oxide, other than as nitro or nitroso, containing 10
534/617 Fiber- or substrate-reactive azo compound 204
534/645 Plural sulfonyl groups bonded directly to same amino nitrogen (e.g., sulfonylaminosulfonyl, etc.) 19
534/646 Sulfonyl and carbonyl bonded directly to the same amino nitrogen (e.g., sulfonylaminocarbonyl, etc.) 8
534/647 Plural amino nitrogens bonded directly to the same sulfonyl (e.g., aminosulfonylamino, etc.) 5
534/648 Alkyl, having at least eight carbons specified, or plural alkyl chains, each having at least five carbons specified, bonded directly to a ring, which ring is attached directly or indirectly to an acyclic carbon chain, which chain is bonded directly to a urea or carboxamide nitrogen that is between the chain and an additional ring 64
534/649 Alkyl chain having at least eight carbons specified bonded directly to a ring 117
534/650 Sulfonyl or -c(=x)-, wherein x is chalcogen, between a ring and an alkyl chain having at least eight carbons specified 54
534/652 Formazan containing (i.e., hnh-n=ch-n=nh, wherein substitution may be made for hydrogen only) 39
534/653 Polycyclo carbocyclic ring system having at least three cyclos 54
534/659 Bicyclo carbocyclic ring system consisting of a six-membered ring and a five-membered ring (e.g., indane, etc. 13
534/660 Hydroxy and carbonyl of -c00- bonded directly to a monocyclic benzene ring (h or hydroxy may be replaced by a substituted or unsubstituted ammonium ion or a metal) 17
534/676 Plural -hnh groups or -oh and -hnh bonded directly to a monocyclic benzene ring (h of -oh may be replaced by a substituted or unsubstituted ammonium ion or metal) 17
534/682 Plural hydroxy groups or esters thereof bonded directly to a monocyclic benzene ring (h of hydroxy may be replaced by a substituted or unsubstituted ammonium ion or metal) 21
534/689 Stilbene containing 99
534/692 Heavy metal or aluminum containing 25
534/726 Boron or silicon containing 27
534/727 Phosphorus attached indirectly to an azo group by nonionic bonding 49
534/728 Amine salt 135
534/729 Chain containing at least fifteen alkylene oxide groups 38
534/730 Sulfonic acid ester group containing 36
534/732 Nitrogen, other than as azo, and chalcogen or -c(=x)x- bonded directly to a -c(=x)- group, wherein the x's may be the same or diverse chalcogens (e.g., carbamic, allophanic, etc.) 63
534/734 Halogen bonded directly to sulfur or to a -c(=x)- group, wherein x is chalcogen 60
534/735 Containing acyclic -xcn or -ncx, wherein x is chalcogen (e.g., thiocyanato, isocyanato, etc.) 53
534/736 Thiosulfuric acid group containing (-s-(0=)s(=0)-oh, wherein h of the -oh may be replaced by the ammonium ion or group ia or iia light metal) 9
534/737 Cyano and carbon bonded directly to acyclic nitrogen 7
534/738 Acyclic chain which contains -ch=n- (substitution may be made for hydrogen only) 96
534/739 Azo bonded directly to an acylic carbon which is bonded directly to two acyclic carbons, each of which is double or triple bonded to an atom 63
534/751 Hetero ring containing 73
534/805 Exactly five or exactly six azo groups attached indirectly to each other by nonionic bonding 21
534/806 Exactly four azo groups attached indirectly to each other by nonionic bonding 49
534/809 Exactly three azo groups attached indirectly to each other by nonionic bonding 43
534/816 Exactly two azo groups attached indirectly to each other by nonionic bonding 37
534/838 Exactly one azo group containing or azo attached indirectly to an additional azo group by ionic bonding 70
534/887 Purification or recovery 356


Patents under this class:
1 2 3 4 5 6 7 8

Patent Number Title Of Patent Date Issued
8710354 Solar cell with hyperpolarizable absorber Apr. 29, 2014
8702815 Cyanoborate, fluoroalkylphosphate, fluoroalkylborate or imide dyes Apr. 22, 2014
8592565 Preparation of azide-modified carbon surfaces for coupling to various species Nov. 26, 2013
8377616 AZO compound, and pigment dispersant, pigment composition, pigment dispersion and toner including the azo compound Feb. 19, 2013
8357210 Disazo acid dyes Jan. 22, 2013
8168082 Liquid crystalline coating solution and polarizing film May. 1, 2012
7931702 Azo compound and salt thereof, and dye-containing polarizing film comprising the compound or salt Apr. 26, 2011
7927384 Acid dyes Apr. 19, 2011
7909891 Azo dyes for dyeing and printing hydrophobic materials Mar. 22, 2011
7897309 Bisazo compound, 2-hydroxy-3-phenylcarbamoyl naphthalene compound and method manufacturing bisazo compound Mar. 1, 2011
7897735 Compound having thiol anchoring group, method of synthesizing the same, and molecular electronic device having molecular active layer formed using the compound Mar. 1, 2011
7850868 Lyotropic liquid crystalline mixture, coating liquid, and optical anisotropic film Dec. 14, 2010
7812141 Azo compounds Oct. 12, 2010
7708824 C. I. pigment red 57:1 and production process thereof May. 4, 2010
7538199 Compound having thiol anchoring group, method of synthesizing the same, and molecular electronic device having molecular active layer formed using the compound May. 26, 2009
7341607 Yellow anionic disazo dyes Mar. 11, 2008
7318964 Fluorene compounds containing various functional groups, polymers thereof and EL element using the same Jan. 15, 2008
RE39866 Nonpeptide insulin receptor agonists Oct. 2, 2007
7205347 Substituted-polyaryl chromophoric compounds Apr. 17, 2007
7172633 Lightening dye composition comprising at least one cationic direct dye containing mixed chromophores Feb. 6, 2007
7151095 Immunoregulatory compounds and derivatives and methods of treating diseases therewith Dec. 19, 2006
6923856 Method of improving pigment fluorescence Aug. 2, 2005
6670457 Reactive dyes, their preparation and use Dec. 30, 2003
6667392 Polymeric acetoacetanilide azo colorants Dec. 23, 2003
6630578 Thioether derivatives, their method for production and use Oct. 7, 2003
6555663 Prodrugs for selective drug delivery Apr. 29, 2003
6376655 Physically functional materials Apr. 23, 2002
6221535 Photorefractive composite Apr. 24, 2001
6051360 Dyestuffs and resin compositions Apr. 18, 2000
5973125 Macroazo compound, a process for its production, a macroazo initiator, and a process for its use Oct. 26, 1999
5955472 Naphthylazo inhibition of amyloidosis Sep. 21, 1999
5886109 AZO group-containing high molecular weight compound for block copolymerization Mar. 23, 1999
5795970 Mixed disazo-dye composition and black aqueous ink composition containing the same that provides high grade image on print Aug. 18, 1998
5773592 Pro drugs for selective drug delivery Jun. 30, 1998
5739299 Monoazo dyes which are free from water-solubilizing groups and which contain a fluorosulphonyl group and process for colouring polyamides and polyester materials therewith Apr. 14, 1998
5734028 Blue type disperse dye mixture Mar. 31, 1998
5708151 Cationic imidazole azo dyes Jan. 13, 1998
5677435 Heat stable monoazo red pigment compositions Oct. 14, 1997
5665871 Mixtures of copper phthalocyanine and copper-containing azo dyes, their production and use Sep. 9, 1997
5663308 Organosilicon polymers, and dyes, exhibiting nonlinear optical response Sep. 2, 1997
5644039 Mixtures of blue disperse azo dyestuffs Jul. 1, 1997
5631352 Azodyes containing a bridge member based on diamino-substituted triazines May. 20, 1997
5627077 Anilines as markers for mineral oils May. 6, 1997
5623060 Dye mixture containing at least four diazo dyes having the same color with a diaminopyridine coupling component Apr. 22, 1997
5606034 Process for the preparation of azo dyes Feb. 25, 1997
5599912 Compounds and methods for suppressing an immune response to sulfomethoxozale containing substances Feb. 4, 1997
5585469 Dyeing agent having at least two dyes for staining a biological sample and staining method employing the dyeing agent Dec. 17, 1996
5563276 Polymerization of acrylic acid and derivatives thereof using azoamidoxime salt Oct. 8, 1996
5559215 Black mixture of fibre-reactive azo dyes containing essentially a navy-blue disazo dye and an orange monoazo dye, as well as novel fibre-reactive phenylazonaphthol dyes containing A 2-(2'- Sep. 24, 1996
5554739 Process for preparing carbon materials with diazonium salts and resultant carbon products Sep. 10, 1996

1 2 3 4 5 6 7 8










 
 
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