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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 |
13 |
| 534/575 |
Specified crystalline form |
152 |
| 534/576 |
With preservative or stabilizer |
32 |
| 534/577 |
Liquid crystal (e.g., pleochroic, etc.) |
62 |
| 534/578 |
Formation of azo group by oxidative coupling |
22 |
| 534/579 |
Formation of azo group by simultaneous diazotization and coupling |
45 |
| 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 |
298 |
| 534/582 |
Formation of azo group by coupling diazonium compound with coupling component at a specified ph range |
370 |
| 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 |
86 |
| 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 |
11 |
| 534/586 |
Formation of azo group from group having nitrogen single bonded to nitrogen |
39 |
| 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 |
129 |
| 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 |
9 |
| 534/617 |
Fiber- or substrate-reactive azo compound |
202 |
| 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 |
114 |
| 534/650 |
Sulfonyl or -c(=x)-, wherein x is chalcogen, between a ring and an alkyl chain having at least eight carbons specified |
53 |
| 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 |
51 |
| 534/659 |
Bicyclo carbocyclic ring system consisting of a six-membered ring and a five-membered ring (e.g., indane, etc. |
9 |
| 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) |
14 |
| 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) |
16 |
| 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 |
96 |
| 534/692 |
Heavy metal or aluminum containing |
23 |
| 534/726 |
Boron or silicon containing |
26 |
| 534/727 |
Phosphorus attached indirectly to an azo group by nonionic bonding |
45 |
| 534/728 |
Amine salt |
135 |
| 534/729 |
Chain containing at least fifteen alkylene oxide groups |
35 |
| 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.) |
62 |
| 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 |
60 |
| 534/751 |
Hetero ring containing |
71 |
| 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 |
46 |
| 534/809 |
Exactly three azo groups attached indirectly to each other by nonionic bonding |
42 |
| 534/816 |
Exactly two azo groups attached indirectly to each other by nonionic bonding |
34 |
| 534/838 |
Exactly one azo group containing or azo attached indirectly to an additional azo group by ionic bonding |
67 |
| 534/887 |
Purification or recovery |
351 |
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 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 |
| 5550218 |
Azo compounds having unsubstituted or substituted 2-phenoxycarbonylethyl groups |
Aug. 27, 1996 |
| 5516897 |
Monoazo reactive dyes and solutions thereof |
May. 14, 1996 |
| 5512246 |
Method and means for detecting polyhydroxyl compounds |
Apr. 30, 1996 |
| 5510468 |
Amino benzophenone dye |
Apr. 23, 1996 |
| 5487770 |
Detection of marked mineral oils and novel azo dyes |
Jan. 30, 1996 |
| 5484700 |
Method for assaying nucleic acids using naphthol derivative phosphate |
Jan. 16, 1996 |
| 5457188 |
4-azo-1-phenyl-pyrazolone derivative-containing lakes as pigments |
Oct. 10, 1995 |
| 5428136 |
Water-insoluble azo colorants having two azo groups and a 1,4-bis (acetoacetylamino) benzene coupling component |
Jun. 27, 1995 |
| 5386015 |
Monoazo and disazo compounds having 5-cyano-2,4-and 4,6-dichloropyrimidyl groups |
Jan. 31, 1995 |
| 5330542 |
Dye-incorporated composition |
Jul. 19, 1994 |
| 5304222 |
Monoazo benzothiazole disperse dye mixture |
Apr. 19, 1994 |
| 5292872 |
Monoazo dispersed dyes, mixtures containing them, and the preparation and the use thereof |
Mar. 8, 1994 |
| 5290921 |
Intermediates and colorants having primary hydroxyl enriched poly (oxyalkylene) moieties and their preparation |
Mar. 1, 1994 |
| 5286287 |
Monoazo lake pigment suitable for use in printing ink and process for the production thereof |
Feb. 15, 1994 |
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