Peroxide-curable brominated or iodinated fluoroelastomer composition containing an n,n,n',n'- tetrasubstituted 1,8-diaminonaphthalene
CA 1262986 C · Owner: E.I. Du Pont De Nemours And Company · Inventors: Ojakaar, Leo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
TITLE, PEROXIDE CURABLE BROMINATED OR IODINATED FLUOROELASTOMER COMPOSITION CONTAINING AN N,N,N',N'-TETRASUBSTITUTED 1,8-DIAMINONAPHTHALENE ABSTRACT OF THE DISCLOSURE, A peroxide-curable fluoroelastomer composition which comprises a fluoroelastomer whose interpolymerised units consist essentially of units derived from vinylidene fluoride, units derived from at least one other fluorine-containing monomer copolymerizable therewith, said monomer being a compound which contains 2-7 carbon atoms contains no, bromine atoms or iodine atoms and contains at least, as many fluorine atoms as carbon atoms and said, fluoroelastomer contains up to 3 mole percent of units derived from a bromine-containing …
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 14, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 14, 2006.
- 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.