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Harvard Business School

Last Updated: October 20, 2020

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Details for Patent: 7,842,283

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Which drugs does patent 7,842,283 protect, and when does it expire?

Patent 7,842,283 protects VARITHENA and is included in one NDA.

This patent has twelve patent family members in ten countries.

Summary for Patent: 7,842,283
Title:Generation of therapeutic microfoam
Abstract: A method for producing a microfoam suitable for use in scleropathy of blood vessels comprises introducing a physiologically acceptable blood-dispersible gas into a container (1) holding an aqueous sclerosant liquid and releasing the mixture of blood-dispersible gas and sclerosant liquid, whereby upon release of the mixture the components of the mixture interact to form a microfoam.
Inventor(s): Harman; Anthony David (Henley-on-Thames, GB), Harper; Paul (Buckinghamshire, GB), Pollock; Neil (Hertfordshire, GB), Sinclair; Gary Stewart (Suffolk, GB)
Assignee: BTG International Limited (London, GB)
Application Number:11/580,059
Patent Claim Types:
see list of patent claims
Formulation; Device; Use;

Drugs Protected by US Patent 7,842,283

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Provensis VARITHENA polidocanol SOLUTION;INTRAVENOUS 205098-001 Nov 25, 2013 RX Yes Yes   Start Trial   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

Foreign Priority and PCT Information for Patent: 7,842,283

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
United Kingdom0028692.2Nov 24, 2000

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Serving leading biopharmaceutical companies globally:

Boehringer Ingelheim

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