Alkoxy methyl ether and alkoxy methyl ester derivatives
CA 1333070 C · Owner: Syntex (U.S.A.) Inc. · Inventors: Morgans, David J. Jr.; Chapman, Harlan H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to alkoxymethyl ethers and alkoxymethyl esters of glycerols and to methods for producing alkoxymethyl ethers and alkoxymethyl esters of glycerols. In particular this invention relates to intermediates and methods for producing intermediates for the production of 9-(1,3-dihydroxy-2-propoxymethyl) guanine and its esters and ethers.
Read the whole patent
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 November 15, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 15, 2011.
- 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.