Process and device for disposing of packings
CA 2084070 A1 · Owner: Basf Lacke + Farben Aktiengesellschaft · Inventors: Buerger, Alfred
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a process for disposing of packings in which (1) the packings are opened and crushed by a crushing device (5), (2) any liquid and possibly fine solid contents remaining are removed (7, 10), collected (12, 13) and taken to a suitable waste disposal, (3) any gases evolved are diluted by a continuous stream of air and carried away (19), and (4) the empty crushed packings are collected (14). The process is characterized in that the crushed packings are passed through at least one rotating screen (7, 10) and in that the crushing device (5) and/or the rotating screen (7, 10) are supplied with a hot gas or mixture of gases. The invention also relates to a device for …
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 May 10, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 10, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 10, 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
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.