Abstract: A multi-composition stick product, such as a lip balm, sun screen, deodorant, or glue stick. The multi-composition stick product including a stick composition molded in the container so as to contact the walls thereof and be advanceable or ejected therefrom. The stick composition includes a first composition and a second composition. The first and second compositions differ in at least one component, such as a medicament, colorant, fragrance, flavorant, sunscreen, preservative, conditioner, moisturizer, emollient, or surfactant. Furthermore the first and second compositions are arranged in a predetermined non-random pattern that is reproducible. Also described is the method and apparatus for manufacturing the multi-composition stick product.
Type:
Grant
Filed:
May 31, 2000
Date of Patent:
February 24, 2004
Assignee:
Wyeth
Inventors:
Jee Loon Look, Paul Joseph Cooper, Khawla Abdullah Abu-Izza, Joyce H. Wilson, Krishna P. Raman, Vincent Hon-Kin Li