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Harvard Business School
Johnson and Johnson

Last Updated: August 13, 2022

Details for Patent: 6,846,412

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Which drugs does patent 6,846,412 protect, and when does it expire?

Patent 6,846,412 protects VARITHENA and is included in one NDA.

This patent has five patent family members in three countries.

Summary for Patent: 6,846,412
Title: Combination filter assembly
Abstract:A combination filter assembly having a plurality of filter sieves positioned in parallel one after the other in the direction of flow. The filter sieves are stretched and mounted in housing elements to form filter elements. The housing elements are in contact with each other by means of top and bottom bearing faces, and are maintained in a stack. The filter elements have a cylindrical shape with annular bearing faces, wherein one bearing face includes a centering male coupling and sealing formation, and the other bearing face includes a corresponding centering female coupling and sealing formation.
Inventor(s): Hogan; Brendan (Limerick, IE), Myers; Jan Willem Marinus (Venlo, NL)
Assignee: BTG International Limited (London, GB)
Application Number:10/166,162
Patent Claim Types:
see list of patent claims

Drugs Protected by US Patent 6,846,412

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 See Plans and Pricing See Plans and Pricing Y See Plans and Pricing
>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: 6,846,412

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Germany201 09 515 UJun 11, 2001
Germany201 12 986 UAug 14, 2001

International Family Members for US Patent 6,846,412

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria 258459 See Plans and Pricing
Germany 20109515 See Plans and Pricing
Germany 20112986 See Plans and Pricing
Germany 50101401 See Plans and Pricing
European Patent Office 1266682 See Plans and Pricing
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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Serving leading biopharmaceutical companies globally:

Express Scripts
Boehringer Ingelheim
Johnson and Johnson

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