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US 2003/0232183 A1Published application
Process for making a foam component
AssigneeThe Procter & Gamble Company
InventorDaniel James Dufton
Life of this patent
Estimating the term…
Abstract
Process for making a foam component by obtaining a first and a second wet foam shape, then drying, partially or completely, the first foam shape and second foam shape and then superposing the dry or partially dry first and second foam shapes and attaching the first and second foam shapes to one another. The invention also provides foam components obtained by such a process.
Claims17
A process for making a foam component, which is stable upon contact with air and unstable upon contact with water, by:
- a) obtaining a first wet foam shape and a second wet foam shape, each comprising a polymeric material, an active material and a liquid;
- b) evaporating part or all of the liquid of the first and/or second foam shape to obtain dry or partially dry foam shape(s);
- c) placing the first foam shape and the second foam shapes of step b) against one another and attaching the shapes to one another.
Dependencies are inferred from the claim text.