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Last Updated: November 22, 2019

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Details for Patent: 5,747,498

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Which drugs does patent 5,747,498 protect, and when does it expire?

Patent 5,747,498 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 sixty-eight patent family members in forty-one countries.

Summary for Patent: 5,747,498
Title: Alkynyl and azido-substituted 4-anilinoquinazolines
Abstract:The invention relates to compounds of the formula ##STR1## and to pharmaceutically acceptable salts thereof, wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, n and m are as defined herein. The compounds of formula I are useful in the treatment of hyperproliferative diseases, such as cancer. The invention further relates to processes of making the compounds of formula I and to methods of using such compounds in the treatment of hyperproliferative diseases.
Inventor(s): Schnur; Rodney Caughren (Noank, CT), Arnold; Lee Daniel (Westborough, MA)
Assignee: Pfizer Inc. (New York, NY)
Application Number:08/653,786
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 5,747,498
Patent Claim Types:
see list of patent claims
Compound; Use; Composition; Process;

Drugs Protected by US Patent 5,747,498

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   Start Trial   Start Trial   Start Trial
Osi Pharms TARCEVA erlotinib hydrochloride TABLET;ORAL 021743-002 Nov 18, 2004 AB RX Yes No   Start Trial   Start Trial   Start Trial
Osi Pharms TARCEVA erlotinib hydrochloride TABLET;ORAL 021743-003 Nov 18, 2004 AB RX Yes Yes   Start Trial   Start Trial   Start 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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