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Expired Canadian patentCanada

Radiation-cured rubber-based pressure-sensitive adhesive

CA 1338024 C · Owner: Plamthottam, Sebastian Sebastian · Inventors: Rice, Cassandra Schelette; Plamthottam, Sebastian Sebastian; Sasaki, Yukihiko

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

Polythiol crosslinking agents are used in combination with electron beam and/or photoinitiator ultraviolet cure to enhance the high temperature shear properties of rubber-based pressure-sensitive adhesives.

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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 30, 1996. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 30, 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.
FiledAugust 11, 1987
GrantedJanuary 30, 1996
Term endedJanuary 30, 2013
Patent numberCA 1338024 C
Classification (IPC)C08K5/37 +2 more

Timeline

Timeline From CIPO dates

198819911994199720002003200620092012Application filedAug 11, 1987Patent grantedJan 30, 1996Term endedJan 30, 2013

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.