Acrylic rubber, acrylic rubber composition and cured rubber article thereof
CA 1294727 C · Owner: Jsr Corporation · Inventors: Enyo, Hiroji; Ohhara, Toshio; Miyabayashi, Toshio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An acrylic rubber obtainable by copolymerizing a monomer mixture of:, (A) 70 to 99.99% by weight of at least one compound selected from the group consisting of alkyl acrylates and alkoxyalkyl acrylates, (B) 0.01 to 10% by weight of at least one compound represented by the general formula: wherein R1 is a hydrogen atom or a methyl group; X is a hydrogen atom, -COOR6 (R6 is an alkyl group having 1-10 carbon atoms or an alkoxyalkyl group having 2-14 carbon atoms), or , ; R2 , R3 and R4 are independently hydrogen atoms or groups having 1-10 carbon atoms whose carbon atom adjacent to C=C has no hydrogen; R5 is a group having 1-10 carbon atoms whose carbon atom adjacent to C=C has no hydrogen; Y …
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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 21, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 21, 2009.
- 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.