Last Updated: June 9, 2026

IMAGENT Drug Patent Profile


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Which patents cover Imagent, and what generic alternatives are available?

Imagent is a drug marketed by Vesselon Spv Llc and Alliance Pharm and is included in two NDAs.

The generic ingredient in IMAGENT is perflubron. Additional details are available on the perflubron profile page.

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Questions you can ask:
  • What is the 5 year forecast for IMAGENT?
  • What are the global sales for IMAGENT?
  • What is Average Wholesale Price for IMAGENT?
Summary for IMAGENT
US Patents:0
Applicants:2
NDAs:2
Raw Ingredient (Bulk) Api Vendors: 77
Patent Applications: 5,052
DailyMed Link:IMAGENT at DailyMed

US Patents and Regulatory Information for IMAGENT

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Vesselon Spv Llc IMAGENT dimyristoyl lecithin; perflexane INJECTABLE;INTRAVENOUS 021191-001 May 31, 2002 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Alliance Pharm IMAGENT perflubron LIQUID;ORAL 020091-001 Aug 13, 1993 DISCN No No ⤷  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. >Exclusivity Expiration

Expired US Patents for IMAGENT

Applicant Tradename Generic Name Dosage NDA Approval Date Patent No. Patent Expiration
Vesselon Spv Llc IMAGENT dimyristoyl lecithin; perflexane INJECTABLE;INTRAVENOUS 021191-001 May 31, 2002 5,605,673 ⤷  Start Trial
Vesselon Spv Llc IMAGENT dimyristoyl lecithin; perflexane INJECTABLE;INTRAVENOUS 021191-001 May 31, 2002 5,798,091 ⤷  Start Trial
Vesselon Spv Llc IMAGENT dimyristoyl lecithin; perflexane INJECTABLE;INTRAVENOUS 021191-001 May 31, 2002 5,639,443 ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >Patent No. >Patent Expiration

International Patents for IMAGENT

See the table below for patents covering IMAGENT around the world.

Country Patent Number Title Estimated Expiration
Canada 2164813 COMPOSES DE MICRO-BULLES STABILISEES SERVANT D'AGENTS CONTRASTANTS (STABILIZED MICROBUBBLE COMPOSITIONS FOR ULTRASOUND) ⤷  Start Trial
World Intellectual Property Organization (WIPO) 9503835 ⤷  Start Trial
Australia 731671 ⤷  Start Trial
>Country >Patent Number >Title >Estimated Expiration
Last updated: June 8, 2026

IMAGENT market dynamics and financial trajectory: revenue drivers, pricing pressure, and IP-linked launch risks

IMAGENT is an FDA-approved drug product whose market trajectory is primarily determined by (1) whether it faces generic or biosimilar competition through Orange Book and court outcomes, (2) payer coverage and step-therapy design, (3) net price movement after wholesaler and rebate dynamics, and (4) the remaining patent estate tied to the listed drug in the FDA’s Orange Book. Without the drug’s active ingredient, NDA/BLA number, formulation strength(s), and FDA launch year, market and financial projections cannot be built from verifiable inputs.

What is IMAGENT’s market size, revenue trajectory, and forecast by geography?

Answer: Not determinable from the information provided.

Which countries typically monetize first for IMAGENT?

Answer: Not determinable from the information provided.

How do payer mix and reimbursement differ for IMAGENT across US vs ex-US?

Answer: Not determinable from the information provided.

What patents protect IMAGENT and how do they shape competition risk?

Answer: Not determinable from the information provided.

What is IMAGENT’s Orange Book status (NDA, patent listings, and exclusivity)?

Answer: Not determinable from the information provided.

When does IMAGENT lose exclusivity and what triggers generic entry?

Answer: Not determinable from the information provided.

How strong is the IMAGENT patent estate for formulation and method-of-use?

Answer: Not determinable from the information provided.

How do Paragraph IV challenges affect IMAGENT’s commercialization timeline?

Answer: Not determinable from the information provided.

Which generics are likely to file against IMAGENT, and when?

Answer: Not determinable from the information provided.

What settlement agreements have been reached for IMAGENT?

Answer: Not determinable from the information provided.

What is IMAGENT’s FDA regulatory status, label scope, and utilization constraints?

Answer: Not determinable from the information provided.

Is IMAGENT approved under NDA, 505(b)(2), or an accelerated pathway?

Answer: Not determinable from the information provided.

What dosing, patient selection, and safety constraints cap addressable use?

Answer: Not determinable from the information provided.

Which competitors does IMAGENT face and how does it compare clinically and commercially?

Answer: Not determinable from the information provided.

How does IMAGENT pricing compare with therapeutic alternatives?

Answer: Not determinable from the information provided.

What is the competitive displacement risk if a rival gains formulary access?

Answer: Not determinable from the information provided.

What are the net price drivers and rebate dynamics for IMAGENT?

Answer: Not determinable from the information provided.

How do contracting models (AMP-gap, ASP-based pricing, PBM rebates) affect IMAGENT margins?

Answer: Not determinable from the information provided.

What is the likely effect of 340B and government buying rules on IMAGENT’s realized price?

Answer: Not determinable from the information provided.

How sensitive is IMAGENT’s revenue to payer policy changes and formulary design?

Answer: Not determinable from the information provided.

Does IMAGENT face step therapy, prior authorization, or quantity limits?

Answer: Not determinable from the information provided.

What reimbursement shocks most commonly change utilization for drugs like IMAGENT?

Answer: Not determinable from the information provided.

What manufacturing and supply chain factors could limit IMAGENT sales?

Answer: Not determinable from the information provided.

Are there known CMC or scale-up issues tied to IMAGENT?

Answer: Not determinable from the information provided.

Do outsourcing and contract manufacturing create execution risk for IMAGENT?

Answer: Not determinable from the information provided.

Key Takeaways

IMAGENT market dynamics and financial trajectory cannot be stated from the provided input. Building a decision-grade view requires the drug’s active ingredient, FDA application number (NDA/BLA), approved strength/dosage forms, US launch timeline, and Orange Book patent listings for the specific listed drug.

FAQs

  1. What is IMAGENT’s US FDA approval history and label scope?
  2. What does the Orange Book list for IMAGENT: patents, exclusivity, and listed drug name?
  3. Has IMAGENT faced Paragraph IV challenges or generic entry attempts?
  4. How do typical rebate and contracting structures affect IMAGENT net revenue?
  5. Which therapeutic alternatives compete with IMAGENT and how does efficacy translate into formulary placement?

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