Conversion of municipal solid waste to high fuel value
CA 2478642 C · Owner: Philipson, John · Inventors: Philipson, John
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention is a combustible pellet comprising municipal solid waste and methods of making therefor. The pellet has a water content of less than about 10 % by weight and a fuel value of at least about 10,000 BTU. The process for the forming of a combustible pellet from municipal solid wastes comprises , providing municipal solid waste essentially free of solid hazardous waste and essentially free of recyclable products; shredding and pulverizing the municipal solid waste to form a fluff with a water content of less than about 10 % by weight; and compacting the fluff to form a combustible pellet. A fluff with a water content of less than 10% by weight is obtained. The fluff is …
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 March 5, 2002 and granted May 22, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 5, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 5, 2024.
- 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.