Depolymerized hexosaminoglucan sulfates endowed with an antithrombotic, fibrinolytic, antiinflammatory activity, their process of preparation and related pharmaceutical compositions
CA 1283098 C · Owner: Bianchini, Pietro · Inventors: Bianchini, Pietro; Mascellani, Giuseppe
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract:, The present invention concerns a process for the preparation of oligosaccharides by a controlled chemical depolymerization of natural polysaccharides such as hepa-, rins, heparan sulfates, dermatan sulfates chondroitinsul-, fates, hyaluronic acid by a radicalic reaction in an, aqueous solution at a temperature ranging between 20° and 70°C, in the presence of a catalyst selected in the group consisting of Cu++, Fe++, Cr+++, Cr2O7-- as well as the resulting oligosaccharides and their related pharmaceutical compositions.
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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 April 16, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 16, 2008.
- 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
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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.