Method for predispersing compounding ingredients
CA 2332477 A1 · Owner: R & D Technology, Inc. · Inventors: Deeb, Victor M.; Rouse, Michael W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to methods for predispersing additives used in a compounding process, as well as to predispersed particles. More particularly the, present invention relates to methods for predispersing particularly ground , elastomers, which are used as compounding ingredients for many applications especially , for the, production of rubber or plastic materials such as tires.
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 January 26, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 26, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 26, 2023.
- 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.