Immunostimulating guanine derivatives, compositions and methods
CA 1318666 C · Owner: Hennen, William J. · Inventors: Goodman, Michael; Robins, Roland K.; Bell, Stanley
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
7,8-Disubstituted guanosine nucleoside derivatives are found to be potent immune response enhancing agents in human and animal cells. 7-Substituents are hydrocarbyl radicals having a length greater than ethyl and less than about decyl. 8- Substituents are =O, =S, =Se and =NCN. Compositions and methods of use are also disclosed. 0731F D-134M
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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 June 1, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 1, 2010.
- 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.