Last Updated: September 25, 2026

Patent: 4,970,198

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Summary for Patent: 4,970,198

Title:	Antitumor antibiotics (LL-E33288 complex)
Abstract:	Antibacterial and antitumor agents designated LL-E33288 complex and their production by new strains of Micromonospora echinospora ssp. calichensis NNRL-15839, NRRL-15975 and NRRL-18149, are disclosed.
Inventor(s):	May D. Lee, Michael Greenstein, David P. Labeda, Amedeo A. Fantini
Assignee:	Wyeth Holdings LLC
Application Number:	US07/009,321
Patent Claims:	see list of patent claims

Details for Patent 4,970,198

Glossary

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Applicant	Tradename	Biologic Ingredient	Dosage Form	BLA	Approval Date	Patent No.	Expiredate
Wyeth Pharmaceuticals Llc	MYLOTARG	gemtuzumab ozogamicin	For Injection	761060	1-Sep-17	⤷ Start Trial	2007-11-13
>Applicant	>Tradename	>Biologic Ingredient	>Dosage Form	>BLA	>Approval Date	>Patent No.	>Expiredate

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