Controlled-release composition
CA 1296631 C · Owner: Lindman, Bjorn · Inventors: Lindman, Bjorn; Larsson, Kare Viktor; Engstrom, Sven
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A controlled-release composition for a biologically active material, wherein said active material has been dissolved or dispersed in an L2-phase comprising (a) at least one monoglyceride of an unsaturated fatty acid having 16-22 carbon atoms or a vegetable or animal oil containing such a monoglyceride, (b) at least one triglyceride of at least one unsaturated fatty acid having 16 22 carbon atoms or a vegetable or animal oil containing such triglycerides and (c) at least one, polar liquid selected from the group consisting of water glycerol, ethylene glycol and propylene glycol Such L2-phases are known per se but are novel in this context. The composition is prepared by forming the L2-phase …
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 March 3, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 3, 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.