Nucleophilic polysubstituted aryl acridinium esters and uses thereof
April 17, 2012. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3352791 3689391 Polysubstituted aryl acridinium esters Polysubstituted aryl acridinium esters Process for forming liposomes Chemiluminescent acridinium labelling compounds Proteted chemiluminescent labels Method of detecting a substance using enzymatically-induced decomposition of dioxetanes Method and compositions providing enhanced chemiluminescence from 1,2-dioxetanes Process for stabilizing liposomes InventorAssigneeApplicationNo. 871601 filed on 04/17/1992US Classes:546/107, Plural nitrogens, other than as nitro or nitroso, attached directly to the carbocyclic rings of the acridine ring system (e.g., 3,6-diaminoacridines, etc.)436/172, With fluorescence or luminescence534/751, Hetero ring containing534/798, Plural carbocyclic rings bonded directly to the azo group540/2, Cyclopentanohydrophenanthrene ring system containing540/201, Heavy metal containing544/258, Nitrogen bonded directly to the pteridine ring system544/261, Pteroyl per se or having -C(=X)-, wherein X is chalcogen, bonded directly to acyclic nitrogen of otherwise unsubstituted pteroyl546/23, Polycyclo ring system having the six-membered hetero ring as one of the cyclos546/44, One of the five cyclos is five-membered and includes ring chalcogen (e.g., codeine, morphine, etc.)546/102, Acridines (including hydrogenated)546/104, Nitrogen, other than as nitro or nitroso, attached directly or indirectly to the acridine ring system by nonionic bonding560/147Sulfur in acid moietyExaminersPrimary: Daus, Donald G.Attorney, Agent or FirmForeign Patent References
International ClassC07D 219/04AbstractThis invention is directed to novel nucleophilic polysubstituted aryl acridinium esters and to novel conjugates thereof. The novel nucleophilic polysubstituted aryl acridinium esters and novel conjugates thereof are useful in biological assays, including novel assays for the determination of Vitamin B12, folate, cortisol, estradiol, and thromboxane B2.Other References
Field of SearchAcridines (including hydrogenated)Nitrogen, other than as nitro or nitroso, attached directly or indirectly to the acridine ring system by nonionic bonding Plural nitrogens, other than as nitro or nitroso, attached directly to the carbocyclic rings of the acridine ring system (e.g., 3,6-diaminoacridines, etc.) Polycyclo ring system having the six-membered hetero ring as one of the cyclos Hetero ring containing Plural carbocyclic rings bonded directly to the azo group |
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