Last Updated: August 10, 2026

Dorc Company Profile

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What is the competitive landscape for DORC

DORC has two approved drugs.

Summary for Dorc

US Patents:	0
Tradenames:	2
Ingredients:	1
NDAs:	2

Drugs and US Patents for Dorc

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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.	Exclusivity Expiration
Dorc	VISIONBLUE	trypan blue	SOLUTION;OPHTHALMIC	021670-001	Dec 16, 2004		RX	Yes	Yes		⤷ Start Trial				⤷ Start Trial
Dorc	MEMBRANEBLUE	trypan blue	SOLUTION;OPHTHALMIC	022278-001	Feb 20, 2009		DISCN	Yes	No		⤷ Start Trial				⤷ Start Trial
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>TE	>Type	>RLD	>RS	>Patent No.	>Patent Expiration	>Product	>Substance	>Delist Req.	>Exclusivity Expiration

Expired US Patents for Dorc

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Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	Patent No.	Patent Expiration
Dorc	MEMBRANEBLUE	trypan blue	SOLUTION;OPHTHALMIC	022278-001	Feb 20, 2009	6,372,449	⤷ Start Trial
Dorc	VISIONBLUE	trypan blue	SOLUTION;OPHTHALMIC	021670-001	Dec 16, 2004	6,367,480	⤷ Start Trial
Dorc	MEMBRANEBLUE	trypan blue	SOLUTION;OPHTHALMIC	022278-001	Feb 20, 2009	6,696,430	⤷ Start Trial
Dorc	VISIONBLUE	trypan blue	SOLUTION;OPHTHALMIC	021670-001	Dec 16, 2004	6,720,314	⤷ Start Trial
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>Patent No.	>Patent Expiration

Similar Applicant Names

Applicants may be listed under multiple names.
Here is a list of applicants with similar names.

Dorc

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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.