Designated organic active ingredient containing (doai) > Heterocyclic carbon compounds containing a hetero ring having chalcogen (i.e., o,s,se or te) or nitrogen as the only ring hetero atoms doai > Hetero ring is six-membered consisting of two nitrogens and four carbon atoms (e.g., pyridazines, etc.) > 1,4 diazines > Piperazines (i.e., fully hydrogenated 1,4-diazines) > Additional hetero ring attached directly or indirectly to the piperazine ring by nonionic bonding > Patents

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Class Information
Number: 514/252.13
Name: Drug, bio-affecting and body treating compositions > Designated organic active ingredient containing (doai) > Heterocyclic carbon compounds containing a hetero ring having chalcogen (i.e., o,s,se or te) or nitrogen as the only ring hetero atoms doai > Hetero ring is six-membered consisting of two nitrogens and four carbon atoms (e.g., pyridazines, etc.) > 1,4 diazines > Piperazines (i.e., fully hydrogenated 1,4-diazines) > Additional hetero ring attached directly or indirectly to the piperazine ring by nonionic bonding
Description: Subject matter wherein the piperazine ring is attached directly or indirectly to an additional hetero ring by nonionic bonding.

Sub-classes under this class:

Class Number	Class Name	Patents
514/254.1	Ring oxygen in the additional hetero ring	199
514/252.14	The additional hetero ring is a 1,3 diazine ring	365
514/254.01	The additional hetero ring is five-membered having ring nitrogen	332
514/253.01	The additional hetero ring is six-membered consisting of one nitrogen and five carbon atoms	564

Patents under this class:

1 2 3 4 5 6 7 8 9 10 11

Patent Number	Title Of Patent	Date Issued
6232314	Arylalkylpiperazine compounds as antioxidants	May. 15, 2001
6225312	Piperazine and piperidine compounds	May. 1, 2001
6221875	Substituted 9H-pyridino [2,3-B]indole and 9H-pyrimidino [4,5-B]indole derivatives: selective neuropeptide Y receptor ligands	Apr. 24, 2001
6221869	N-aminoalkyldibenzothiophenecarboxamides new dopamine receptor subtype specific ligands	Apr. 24, 2001
6221868	Remedies/preventives for frequent urination/urinary incontinence and tropone derivatives	Apr. 24, 2001
6218394	4-Aryl-1-(indanmethyl, dihydrobenzofuranmethyl or dihydrobenzothiophene-methyl) piperazines	Apr. 17, 2001
6214827	Tricyclic compounds useful for inhibition of G-protein function and for treatment of proliferative diseases	Apr. 10, 2001
6207667	1,3 diazines with platelet-derived growth factor receptor inhibitory activity	Mar. 27, 2001
6201002	Method for reducing mortality with an angiotensin II antagonist	Mar. 13, 2001
6194414	Radioprotectors	Feb. 27, 2001
6191135	Neurokinin antagonists	Feb. 20, 2001
6172067	2-substituted-1-piperidyl benzimidazole compounds as ORL1-receptor agonists	Jan. 9, 2001
6172061	Pharmaceutical composition for antagonizing CCR5 comprising anilide derivative	Jan. 9, 2001
6162823	LTA.sub.4 hydrolase inhibitors	Dec. 19, 2000
6159979	Bicyclic aryl or a bicyclic heterocyclic ring containing compounds having a combined 5HT.sub.1A, 5HT.sub.1B and 5HT.sub.1D receptor antagonistic activity	Dec. 12, 2000
6156787	Substituted thienlycyclohexanone derivatives for enhancing cognition	Dec. 5, 2000
6153613	2,3-diketopiperazine derivatives or their salts	Nov. 28, 2000
6131226	1,4-dihydropyridine compounds as bradykinin antagonists	Oct. 17, 2000
6124311	Methods for treating resistant tumors	Sep. 26, 2000
6124330	N-[4-(Heteroarylmethyl)phenyl]-heteroarylamines	Sep. 26, 2000
6121267	Substituted piperazines and piperidines as central nervous system agents	Sep. 19, 2000
6114335	Benzoylguanidine derivatives, process for their preparation their use in the preparation of medicines	Sep. 5, 2000
6107337	Arylsulfonylamino hydroxamic acid derivatives	Aug. 22, 2000
6100265	Thiopyran derivatives	Aug. 8, 2000
6075026	Certain substituted 1-aryl-3-piperazin-1'-yl propanones	Jun. 13, 2000
6071920	1-(N-phenylaminoalkyl)piperazine derivatives substituted at position 2 of the phenyl ring	Jun. 6, 2000
6060468	N-substituted azaheterocyclic compounds	May. 9, 2000
6060488	Benzothiophenes for treating estrogen deficiency	May. 9, 2000
6060487	Indanol compounds	May. 9, 2000
6057323	Kappa agonist compounds pharmaceutical formulations and method of prevention and treatment of pruritus therewith	May. 2, 2000
6054458	Heterocyclic compounds	Apr. 25, 2000
6030952	Benzofuran-acrylic acid derivatives and their use as modulators of RXRs or RARs receptors	Feb. 29, 2000
6013663	Dithiolan derivatives, their preparation and their therapeutic effect	Jan. 11, 2000
6004961	1,4-disubstituted piperazines	Dec. 21, 1999
6004964	Kappa agonist anti-pruritic pharmaceutical formulaitons and method of treating pruritus therewith	Dec. 21, 1999
5998414	Troponyl piperazines as dopamine D4 receptor ligands	Dec. 7, 1999
5977115	Alpha 1a adrenergic receptor antagonists	Nov. 2, 1999
5977111	Thiopyran derivatives	Nov. 2, 1999
5968935	Agent for potentiating nerve growth factor activity containing 1,2-ethanediol derivative or salt thereof	Oct. 19, 1999
5965560	Substituted piperazines and piperidines as central nervous system agents	Oct. 12, 1999
5958927	Indanol compounds	Sep. 28, 1999
5935958	Muscarinic antagonists	Aug. 10, 1999
5919785	Inhibitors of farnesyl-protein transferase	Jul. 6, 1999
5919777	Compounds with growth hormone releasing properties	Jul. 6, 1999
5916889	1,4-disubstituted piperazines	Jun. 29, 1999
5914351	Anti-viral aromatic hydrazones	Jun. 22, 1999
5914340	Leukotriene antagonists useful for treating dermatoses	Jun. 22, 1999
5905080	Amide and urea derivatives as 5HT1D receptor antagonists	May. 18, 1999
5891877	Pharmaceutical compounds	Apr. 6, 1999
5883096	Muscarinic antagonists	Mar. 16, 1999