Last Updated: August 10, 2026

Details for Patent: 11,746,141

Name: Drug Patent Intelligence for US Patent 11746141
Creator: DrugPatentWatch
License: https://www.drugpatentwatch.com/terms.php

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Which drugs does patent 11,746,141 protect, and when does it expire?

Patent 11,746,141 protects XARACOLL and is included in one NDA.

This patent has fifty-seven patent family members in twenty-two countries.

Summary for Patent: 11,746,141

Title:	Modified collagen
Abstract:	The present invention relates to a modified collagen obtainable by providing isolated collagen; freezing the isolated collagen; dehydrating the frozen collagen; and maturing the dehydrated collagen. Also disclosed are methods of preparing the modified collagen and uses thereof.
Inventor(s):	Alexandra Dietrich, Michael Myers
Assignee:	GURNET FINANCE (JERSEY) LIMITED
Application Number:	US16/537,339
Patent Claim Types: see list of patent claims	Composition; Process;
Patent landscape, scope, and claims:	error: insufficient information More… ↓ ⤷ Start Trial

Drugs Protected by US Patent 11,746,141

Glossary

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Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Patented / Exclusive Use	Submissiondate
Innocoll Pharms	XARACOLL	bupivacaine hydrochloride	IMPLANT;IMPLANTATION	209511-001	Aug 28, 2020		DISCN	Yes	No	11,746,141	⤷ Start Trial	Y				⤷ 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

International Family Members for US Patent 11,746,141

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Australia	2013208952	⤷ Start Trial
Canada	2860552	⤷ Start Trial
Cyprus	1119524	⤷ Start Trial
Cyprus	1121643	⤷ Start Trial
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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