Abs-based compositions with improved characteristics and method for preparing them
CA 1278630 C · Owner: Pivotto, Bruno · Inventors: Ferri, Gualtiero; Roma, Pierpaolo; Pivotto, Bruno
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
ABS-BASED COMPOSITIONS WITH IMPROVED CHARACTERISTICS AND METHOD FOR PREPARING THEM", Abstract of the Disclosure Compositions on the basis of ABS, with very high impact resistance and flowability containing from 0.1 to 3% by weight of a mineral or silicone oil are prepared by means of a method envisaging that these oils be added to the mixture of polybutadiene, acrylonitrile and styrene during the grafting reaction of such monomers onto the p? lybutadiene, carried out in an emulsion system.
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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 January 2, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 2, 2008.
- 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.