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Expired Canadian patentCanada

Water-soluble pressure-sensitive adhesive composition

CA 1210190 A · Owner: Colgate-Palmolive Company · Inventors: Witt, Edward

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Abstract From the Canadian patent

Water-soluble pressure-sensitive adhesive compositions with effective adhesion, tack, and cohesive strength are provided. The composition comprises acrylate based polymer systems containing carboxylic functionality which are at least partially esterified with an ethoxylate of alkyl phenol or aliphatic alcohol and then at least partially neutralized with alkaline material. The compositions are admirably adapted as coatings for substrates to produce various tape products and for paper substrate. The paper tapes are especially useful for splicing tapes in paper board manufacture process and by virtue of the repulpability of the tape product recycling in such manufacturing process is …

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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 August 19, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 19, 2003.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 12, 1983
GrantedAugust 19, 1986
Term endedAugust 19, 2003
Patent numberCA 1210190 A
Classification (IPC)C08L71/02 +2 more

Timeline

Timeline From CIPO dates

1984198619881990199219941996199820002002Application filedDec 12, 1983Patent grantedAug 19, 1986Term endedAug 19, 2003

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