Process for making a water-soluble foam component

Details Process for making a water-soluble foam component Process for making a water-soluble foam component

2005-10-11

2005-10-11

Foelak, Morton (Department: 1711)

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Implant or insert

C424S435000, C514S772300, C514S772600, C514S944000, C521S065000, C521S141000

Reexamination Certificate

active

06953587

ABSTRACT:
The present invention relates to a process for preparing a water-soluble foam matrix which is capable of delivering an active ingredient and articles of manufacture comprising said foam matrix, said article comprising:i) a water-soluble polymeric component in the form of a foam matrix; andii) an active ingredient component dispersed throughout said matrix;said process comprising the steps of:a) admixing a water-soluble polymer and an active ingredient to form a homogeneous admixture, said admixture having a viscosity of at least 150 Pa-sec;b) introducing a gas or a compound capable of releasing a gas into said admixture to form a foam matrix; andc) optionally, shaping said matrix to provide a matrix having a shape or a form.

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