Use of poly(dimethyl ketone) to manufacture articles in...

Details Use of poly(dimethyl ketone) to manufacture articles in... Use of poly(dimethyl ketone) to manufacture articles in...

2006-03-14

2006-03-14

Miggins, Michael C. (Department: 1772)

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

C428S036700, C428S480000, C428S483000, C428S524000, C526S316000, C422S040000

Reexamination Certificate

active

07011873

ABSTRACT:
The invention relates to the use of a structure for manufacturing hermetical industrial or food packaging in direct contact with a humid or aqueous medium, the structure comprising at least one layer of polydimethyl ketone in direct contact with the most humid medium, (i) the latter being situated within the packaging when the packaging accommodates water or an aqueous or humid product and (ii) the most humid medium being situated outside the packaging when the packaging accommodates a product which is dry or which is to be protected from humidity. The food packaging comprises, for example, trays, sachets, bottles and flasks and the industrial packaging comprises, for example, pipes, containers and drums.

REFERENCES:
patent: 3350357 (1967-10-01), Natta et al.
patent: 6528135 (2003-03-01), Egret et al.
patent: 1002819 (2000-05-01), None
Sugimoto H. et al., “Lanthanoid Alkoxide and Novel Initiator for the Synthesis of Polyester via Polymerization of Ketenes”, Macromolecular Chemistry and Physics, Wiley Vch Weinheim, De, vol. 199, No. 8, Aug. 1, 1998, pp. 1651-1655, XP000785420,ISSN; 1022-1352.

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