C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 3/10 (2006.01) B65D 53/00 (2006.01)
Patent
CA 2303115
The present invention relates to an improved material composition allowing reduction of stress cracking of closures for containers with a closure, whereby the part of the container co-operating with the closure and the closure are made of materials with different rigidities, and characterised in that the more rigid material is comprised of a metallocene catalysed thermo- plastic. In another aspect of the invention, a packaged product comprising the combination of a chemicaly aggressive composition with a package for the chemically aggressive composition is presented.
L'invention concerne une composition en matériau amélioré permettant de diminuer les risques de fissuration sous contrainte des fermetures, pour conteneur doté d'une fermeture. La partie du conteneur coopérant avec la fermeture et la fermeture proprement dite sont en matériaux qui ne présentent pas la même rigidité, caractérisés en ce que le matériau plus rigide comprend un thermoplastique catalysé par alliage organométallique. Un autre aspect de l'invention concerne un produit emballé comprenant en combinaison une composition chimiquement agressive et un emballage pour ladite composition.
Dimock Stratton Clarizio Llp
The Procter & Gamble Company
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