Pharmaceutically active complexes of tetracyclines and a process for the preparation thereof
CA 1080701 A · Owner: Medimpex Gyogyszer Kulkereskedelmi Vallalat · Inventors: Weiss, Imrene; Kahan, Agostne
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Tri-tetracyclines are complexes of tetracyclines with an amino compound containing per molecule at least a tris (hydroxyalkyl) group and at least a primary or secondary amino group in a molar excess in respect to the amino compound. The complexes have high water solubility and are particularly useful for parenteral administration.
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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
- Granted July 1, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 1, 1997.
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Timeline
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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.