Gel prevention in polymers
CA 1338227 C · Owner: Dillon, Jerry John · Inventors: Cottman, Kirkwood Storer; Grimm, Donald Charles; Bennett, Calvin Anderson, Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention is concerned with the prevention of gel formation in polymers. More specifically this, invention is directed to a unique combination of materials that greatly lessens the formation of gel in elastomers during processing and storage.
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 April 2, 1996. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 2, 2013.
- 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.