Table formulation
CA 1052267 A · Owner: Wellcome Foundation Limited (The) · Inventors: Torode, Allan J.; Harden, David; Spence, John
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A tablet suitable for use in the treatment of microbial infections, which tablet comprises from 80 to 98% (w/w) of a sulphonamide, and a disintegrating and granulating agent. The particle size of the sulphonamide is less than 40µm and the swelling capacity of the disintegrating agent is greater than 5ml/g.
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 April 10, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 10, 1996.
- 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.