Modified thermosetting resin, a method for its production and its use
CA 1284846 C · Owner: Hanse Chemie Gmbh · Inventors: Block, Hermann
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 modified reaction resin with a content of 50 to 98 % by weight of a liquid reaction resin or reaction resin mixture processed into thermosetting plastic with a suitably reactive group of sufficient number for the hardening process and 2 to 50 % by weight of one or more three dimensional crosslinked polyorganosiloxane rubbers which, are held in the reaction resin matrix in finely divided state as polyorganosiloxane rubber particles with a diameter of from 0.01 to 50 micrometers, together with small quantities other auxiliary materials. The rubber particles have reactive groups on their surfaces which in turn, in the presence of auxiliary media serving as reactive …
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 June 11, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 11, 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.