High molecular weight human angiogenic factors
CA 2002261 A1 · Owner: Florkiewicz, Robert Z. · Inventors: Florkiewicz, Robert Z.; Sommer, Andreas
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
High molecular weight forms of therapeutic proteins are disclosed which are single-polypeptide-chain proteins that contain the same or similar therapeutic activity as the therapeutic protein. In particular, high molecular weight forms of the human bFGF angiogenic factor are disclosed which are single-polypeptide-chain proteins having at least one active site possessing an activity selected from the group consisting of mitogenic activity, chemotactic activity angiogenic activity, neurotrophic activity the ability to, stimulate protease synthesis and combinations thereof. The high molecular weight angiogenic factors exhibit substantial homology to and are immunologically equivalent to the …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed November 6, 1989. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 6, 2009.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 6, 2011.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.