Last Updated: October 8, 2026

Details for Patent: 5,912,226

Name: Drug Patent Intelligence for US Patent 5912226
Creator: DrugPatentWatch
License: https://www.drugpatentwatch.com/terms.php

✉ Email this page to a colleague

« Back to Dashboard

Summary for Patent: 5,912,226

Title:	Anhydro- and isomer-A-21978C cyclic peptides
Abstract:	Two new groups of A-21978C cyclic peptides, anhydro- and isomer-A21978C peptide derivatives, have antibacterial activity and are useful as intermediates. The two groups are prepared via transpeptidation of the parent cyclic peptides. Pharmaceutical formulations containing the new peptides as active ingredients and methods of treating infections caused by susceptible Gram-positive bacteria with the formulations are also provided.The invention also provides an antibacterial composition containing the new drug substance LY 146032 in substantially pure form.
Inventor(s):	Patrick J. Baker, Manuel Debono, Khadiga Z. Farid, R. Michael Molloy
Assignee:	Eli Lilly and Co
Application Number:	US07/809,039
Patent Claim Types: see list of patent claims	Use; Composition;

Drugs Protected by US Patent 5,912,226

Glossary

Subscribe to access the full database, or 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
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>TE	>Type	>RLD	>RS	>Patent No.	>Patent Expiration	>Product	>Substance	>Delist Req.	>Patented / Exclusive Use	>Submissiondate

International Family Members for US Patent 5,912,226

Subscribe to access the full database, or Start Trial
Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Australia	1749388	⤷ Start Trial
Australia	613640	⤷ Start Trial
Bulgaria	47349	⤷ Start Trial
Canada	1315229	⤷ Start Trial
European Patent Office	0294990	⤷ Start Trial
Hungary	201120	⤷ Start Trial
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

Make Better Decisions: Try a trial or see plans & pricing

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. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification 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.