Recovery of unoxidized metals from organic insulated metallic scrap
CA 1092366 A · Owner: International Recycling Enterprises, Ltd. · Inventors: Baker, Albert B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Metallic scrap containing a coating of organic insulation material is process to recover a clean, unoxidized metallic substrate and various insulation by-products by thermally decomposing the organic insulation under pressure in a closed, externally heated vessel. Volatile decomposition products are periodically vented to a vapor recovery system and non-volatile decomposition products, primarily carbonaccous char adhering to the clean scrap, are separated by mechanical action such as vibration or tumbling. Apparatus for performing this process is also disclosed.
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 December 30, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 30, 1997.
- 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.