Method for the production of sulphur in granular form
CA 1208405 A · Owner: Santrade Ltd. · Inventors: Angele, Bernhard; Froeschke, Reinhard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention presents a method for the production of sulphur in granular form as well as a device for the carrying out of the invention, by which sulphur can be obtained in granular form in more economic and simpler way, as an end product having, a high breaking strength with a strongly reduced dust buildup during the manufacturing process, as well as a more uniform grain size. This is made possible by providing that the sulphur is first brought to a temperature over 150°C whereby it reaches, viscosity which makes it possible to bring the sulphur to a drop-shaped particle form slowly deposited onto a cooled surface. By cooling on a cooled surface or a belt cooler in at least two steps, …
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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 July 29, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 29, 2003.
- 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.