Apparatus and method for recovering spent lime for use as a nutritional flowing agent for poultry and animal feeds
CA 2048071 A1 · Owner: Herzog Contracting Corp. · Inventors: Herzog, William E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, An apparatus and method to recover spent lime from various manufacturing processes, such as sugar manufacturing from sugar beets and sugar cane, for use as a nutritional flowing agent for poultry and animal feeds comprises a, first holding bin for receiving expended lime cake from a lime lagoon, a second holding bin for receiving expended lime cake from dewatering stockpiles, a rotary kiln dryer a, cyclone dust collector, a negative-air-pressure dust collector, and a product storage bin. As the lime cake is processed through the rotary kiln dryer the lime cake is, dried at a temperature having an upper limit such that the nutritive value of the lime cake is not …
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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
- Filed July 29, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 29, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 29, 2013.
- 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
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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.