US 6,444,821 B1Granted

Crystals of piperidine derivatives, intermediates for production of the same, and process for producing the same

AssigneeAjinomoto Co., Inc.

InventorsAkiko Fujii, Mie Kubo, Tomoya Yamamoto, Jiro Shimada, Ryuichi Mihara, Hirokazu Naora, Koji Asai

Life of this patent

Estimating the term…

Abstract

Monohydrate and trihydrate crystals of N-(2-(4-(5H-dibenzo[a,d]cyclohepten-5-ylidene)-piperidino) ethyl)-1-formyl-4-piperidinecarboxamide hydrochloride having excellent stability.

Claims11

Dependent claims

Crystals of N-(2-(4-(5H-dibenzo(a,d)cyclohepten-5-ylidene)-piperidino)ethyl)-1-formyl-4-piperidinecarboxamide hydrochloride monohydrate.

Dependencies are inferred from the claim text.

Facts

Application: 09/776,854Filed 6 Feb 2001 · continuation
Priority: JP 8-27417523 Oct 1995
Published: US 2001/0056102 A127 Dec 2001
Granted: 3 Sep 2002
Term ends: Not estimatedThe source records don’t support an estimate.

Classification5 codes

C07D 211/70
Having one double bond between ring members or between a ring member and a non-ring member: with only hydrogen atoms, hydrocarbon or substituted…
A61P 7/02
Drugs for disorders of the blood or the extracellular fluid: antithrombotic agents; Anticoagulants; Platelet aggregation inhibitors
A61P 9/12
Drugs for disorders of the cardiovascular system: antihypertensives
C07D
Heterocyclic compounds

Family

Application08/735,696Parent of this continuation · filed 23 Oct 1996
Application09/672,080Parent of this continuation · filed 29 Sep 2000
US 6,184,233 B2Parent of this continuation · filed 6 Feb 2001
US 6,232,323 B1Parent of this continuation
US 2001/0056102 A1Published application
US 6,444,821 B1This patent

From the US filing history. Foreign family members aren’t listed.

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