Laxative composition based on lactulose and its preparation process
CA 1256373 A · Owner: Jouveinal S.A. · Inventors: Llull, Jean B.; Calvet, Alain P.; Aubard, Gilbert G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Lactulose-based laxative composition which is in the form of a jelly with a viscosity at 20°C measured on the Brookfield viscosimeter between 15,000 and 30,000 centipoises, a refractive index at 20°C between 1.430 and 1.445 and a pH between 3 and 4.
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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 27, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 27, 2006.
- 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.