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Last Updated: January 21, 2022

DrugPatentWatch Database Preview

Details for Patent: 6,900,221

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Which drugs does patent 6,900,221 protect, and when does it expire?

Patent 6,900,221 protects TARCEVA and is included in one NDA.

Protection for TARCEVA has been extended six months for pediatric studies, as indicated by the *PED designation in the table below.

This patent has fifty-seven patent family members in thirty-eight countries.

Summary for Patent: 6,900,221
Title: Stable polymorph on N-(3-ethynylphenyl)-6, 7-bis (2methoxyethoxy)-4-quinazolinamine hydrochloride, methods of production, and pharmaceutical uses thereof
Abstract:The present invention relates to a stable crystalline form of N-(3-ethynylphenyl)-6,7-bis(2-methoxyethoxy)-4-quinazolinamine hydrochloride designated the B polymorph, its production in essentially pure form, and its use. The invention also relates to the pharmaceutical compositions containing the stable polymorph B form of N-(3-ethynylphenyl)-6,7-bis(2-methoxyethoxy)-4-quinazolinamine as hydrochloride, as well other forms of the compound, and to methods of treating hyperproliferative disorders, such as cancer, by administering the compound.
Inventor(s): Norris; Timothy (Gales Ferry, CT), Raggon; Jeffrey W. (North Stonington, CT), Connell; Richard D. (East Lyme, CT), Moyer; James D. (East Lyme, CT), Morin; Michael J. (Waterford, CT), Kajiji; Shama M. (Mystic, CT), Foster; Barbara A. (Mystic, CT), Ferrante; Karen J. (East Greenwich, RI), Silberman; Sandra L. (Randolph, NJ)
Assignee: OSI Pharmaceuticals, Inc. (Melville, NY)
Application Number:09/711,272
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 6,900,221
Patent Claim Types:
see list of patent claims
Compound; Composition; Dosage form; Use; Process;

Drugs Protected by US Patent 6,900,221

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Osi Pharms TARCEVA erlotinib hydrochloride TABLET;ORAL 021743-001 Nov 18, 2004 AB RX Yes No ⤷  Try it Free ⤷  Try it Free ⤷  Try it Free
Osi Pharms TARCEVA erlotinib hydrochloride TABLET;ORAL 021743-002 Nov 18, 2004 AB RX Yes No ⤷  Try it Free ⤷  Try it Free ⤷  Try it Free
Osi Pharms TARCEVA erlotinib hydrochloride TABLET;ORAL 021743-003 Nov 18, 2004 AB RX Yes Yes ⤷  Try it Free ⤷  Try it Free ⤷  Try it Free
>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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Serving leading biopharmaceutical companies globally:

Johnson and Johnson

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