Package making – Methods – With contents treating
Reexamination Certificate
2005-03-29
2005-03-29
Smith, Scott A. (Department: 3721)
Package making
Methods
With contents treating
C053S560000, C053S433000, C053S434000, C053S451000, C053S551000, C053S201000
Reexamination Certificate
active
06871477
ABSTRACT:
A continuous process for forming a transdermal patch which comprises the steps of: continuously feeding a strip of material comprising a layer of permeable membrane; continuously feeding into close proximity and in face-to-face relationship with the first strip a second strip formed of impermeable backing material; passing the first and second strips together through a filling and sealing station in which the material containing an active substance is introduced between the strips and pouches are formed by first sealing devices which seal the strips together in a longitudinal direction of the strips and second sealing devices which seal the strips together in a transverse direction of the strips; the size of the pouches being adjusted by adjusting the number position and/or frequency of operation of the first sealing devices and/or by adjusting the number position and/or frequency of operation of the second sealing devices.
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Nash Brian
Petry Marvin
Smith Scott A.
Stites & Harbison PLLC
United Pharmaceutical Manufacturing Co. Limited
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