Pharmaceutical compositions
CA 2003340 A1 · Owner: Shah, Navnit · Inventors: Infeld, Martin Howard; Bachynsky, Maria Oksana; Shah, Navnit
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The absorption of antibiotics given through oral and rectal routes of administration is significantly enhanced by use of the antibiotic in conjunction with a two-component absorption enhancing system made up of an ether of a C6 to C18 alcohol and a polyoxyethylene glycol together with a second component selected from among polyoxyethylene glycol- C6 to C18 glyceride esters, C6 to C18 carboxylic acids or salts thereof, and esters of two or more C6 to C18 carboxylic acids, glycerol and a polyoxyethylene glycol. A carrier and adjuvants are usually included. These compositions can be administered in any convenient oral or rectal dosage form, including tablets, capsules beadlets, and …
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
- Filed November 20, 1989. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 20, 2009.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 20, 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.