Process for the production of a metal melt
CA 2100602 A1 · Owner: Voest-Alpine Industrieanlagenbau Gmbh · Inventors: Klintworth, Klaus; Berger, Harald; Steins, Johannes
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In a process for the production of a metal melt in a metallurgical vessel the filter dusts, incurring in producing the metal melt are to be processed to charging substanceswithout causing a load on the environment and without great expenditures. This is achieved in that the filter dusts are introduced into the metallurgical vessel by aid of a gaseous conveying medium composed of natural gas or a mixed gas primarily containing natural gas, the filter dusts being supplied to the metallurgical vessel in a closed system and reduced by the carrier gas.
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 July 15, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 15, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 15, 2015.
- 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.