Process for obtaining chemically defined and reproducible polydeoxyribonucleotide
CA 1297430 C · Owner: Mantovani, Marisa · Inventors: Mantovani, Marisa; Diamantini, Giuseppe; Prino, Giuseppe
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
1-, "A process for obtaining chemically defined and reproducible polydeoxyribonucleotides", ABSTRACT, By carrying out the depolymerization of stabilized solutions of highly polymerized and nicked polydeoxyribonucleotides as obtained through, stabilizing aggregation of raw nucleic acids the depolymerization being, carried out by heating at controlled temperature and being controlled as a function of the variation of the reversible hyperchromicity followed, by the removal of the hydrogen bonds in the double stranded filaments and by thermal stabilization of the single stranded filaments the polydeoxy-, ribonucleotide, known as Defibrotide is obtained. Defibrotide has the following formula of …
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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 March 17, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 17, 2009.
- 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.