Method of storing active films

Stock material or miscellaneous articles – Hollow or container type article – Polymer or resin containing

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2421293, 2421296, 25218624, 25218625, 354275, B29D 2200

Patent

active

057731071

ABSTRACT:
A method of storing a film having an active film material includes providing a carrier film and at least one strip of the active film material, positioning the at least one strip with respect to the carrier film; and rolling the at least one strip and carrier film together such that the at least one strip is isolated at least along its two major surfaces from the environment while the carrier film and the film with the active film material are in a rolled condition. The present invention also includes a roll of film including a carrier film, and at least one strip of active film material isolated from the environment.

REFERENCES:
patent: 3574029 (1971-04-01), Ettre
patent: 3614012 (1971-10-01), Edelman
patent: 4432625 (1984-02-01), Harvey
patent: 5021515 (1991-06-01), Cochran et al.
patent: 5049624 (1991-09-01), Adams et al.
patent: 5203941 (1993-04-01), Spain et al.
patent: 5211875 (1993-05-01), Speer et al.
patent: 5407146 (1995-04-01), Takahashi et al.

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