Inhibitor of laminin neurite promoting activity
CA 2066658 A1 · Owner: Muir, David · Inventors: Engvall, Eva; Muir, David; Manthorpe, Marston
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention provides a purified proteoglycan-associated inhibitor of the neurite-promoting activity of laminin and a purified compound which: a) inhibits the neurite-promoting activity of purified rat, mouse, and human laminin; b) is active whether presented to laminin in solution or after either the inhibitor or laminin is first bound to the culture substratum; c) does not act by displacing laminin from the substratum; d) can be prevented from binding to neurite-promoting laminin substrates by polyclonal and some monoclonal anti-laminin or polyclonal anti-entactin antibodies if the laminin contains associated entactin; e) can be purified from rat RN22 Schwannoma cells; and f) …
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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 October 29, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 29, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 29, 2012.
- 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.