Animal litter and process for the production thereof
CA 1252994 A · Owner: Mars Inc. · Inventors: Lang, Rudiger
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention provides animal litter comprising a porous, odour-preventing material with a clearly defined pH-value, characterized in that the pH-value of the porous inorganic material in aqueous suspension is between approximately 7 and 9, preferably 7.5 and 8.5 that the porous, inorganic material has a zinc content of 0.5 to 1.5 by weight and that the water-soluble zinc proportion of the porous inorganic material is 1.0 to 100 ppm. The invention also provides processes for the production thereof.
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 25, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 25, 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.