Treatment for reducing the dusting of treated zinc oxide
CA 1135030 A · Owner: New Jersey Zinc Company (The) · Inventors: Eshelman, Donald M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A treatment for reducing the dusting of a particulate zinc oxide which has been treated with an organic compound such, as propionic acid, for incorporation in rubbers and plastics comprising treating said particulate zinc oxide which a composition selected from the group comprising trialkyl phosphates tricresyl phosphate and mixtures thereof in an amount sufficient to reduce the dusting index thereof.
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 November 9, 1982. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 9, 1999.
- 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.