Binder for carbon and process for producing same
CA 1305591 C · Owner: Alsmeier, Friedhelm · Inventors: Alsmeier, Friedhelm; Boenigk, Winfried
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A binder for carbon with reduced calcination is obtained by addition of approximately 0.1% by weight of B203 to the binder precursor from a coal tar distillation residue. The efficiency of the Inhibitor thus is approximately trebled as compared with the addition to the finished binder.
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 July 28, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 28, 2009.
- 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.