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Generated: August 21, 2019

DrugPatentWatch Database Preview

Details for Patent: 8,618,142

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Which drugs does patent 8,618,142 protect, and when does it expire?

Patent 8,618,142 protects DALIRESP and is included in one NDA.

This patent has thirty-six patent family members in twenty-eight countries.

Summary for Patent: 8,618,142
Title:Process for the preparation of roflumilast
Abstract: A composition comprising: roflumilast having a purity of greater than or equal to 99% by weight, and N-(3,5-dichloropyrid-4-yl)-3-cyclopropylmethoxy-4-hydroxybenzamide present (relative to roflumilast) in an amount greater than zero and less than 0.1% by weight.
Inventor(s): Kohl; Bernhard (Constance, DE), Mueller; Bernd (Constance, DE), Palosch; Walter (Rielasingen, DE)
Assignee: Takeda GmbH (Constance, DE)
Application Number:13/860,264
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 8,618,142
Patent Claim Types:
see list of patent claims
Composition; Compound; Dosage form; Formulation;

Drugs Protected by US Patent 8,618,142

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Astrazeneca Pharms DALIRESP roflumilast TABLET;ORAL 022522-002 Jan 23, 2018 RX Yes No   Try a Free Trial   Try a Free Trial Y   Try a Free Trial
Astrazeneca Pharms DALIRESP roflumilast TABLET;ORAL 022522-001 Feb 28, 2011 AB RX Yes Yes   Try a Free Trial   Try a Free Trial Y   Try a Free Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

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Foreign Priority and PCT Information for Patent: 8,618,142

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
03005245Mar 10, 2003

International Family Members for US Patent 8,618,142

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina 043531   Try a Free Trial
Austria 447555   Try a Free Trial
Australia 2004220357   Try a Free Trial
Brazil PI0406427   Try a Free Trial
Canada 2503290   Try a Free Trial
China 100471840   Try a Free Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. thinkBiotech performs no independent verifification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.