Colored anhydrous gel element

Details Colored anhydrous gel element Colored anhydrous gel element

2005-06-07

2005-06-07

Page, Thurman K. (Department: 1615)

Drug, bio-affecting and body treating compositions

Deodorants

Deodorizing substance is evaporable sublimable or gas

C424S076100, C424S076200, C424S076300

Reexamination Certificate

active

06902725

ABSTRACT:
A colored anhydrous gel element for perfuming or deodorizing air or enclosed spaces is provided. The element is formed by cross-linking a functionalized liquid polymer selected from maleinized polybutadiene, maleinized polyisoprene or a copolymer of ethylene and maleic anhydride with a cross-linking agent which contains at least one complementary functional group in the presence of a non-aqueous perfume or deodorizing base and a least one metal-free solvent dye which is soluble in the non-aqueous perfume or deodorizing base, or which is provided as a solution in a non-aqueous solvent which is compatible with the non-aqueous perfume or deodorizing base. The gel elements may be incorporated into devices which are used as air fresheners or deodorizers.

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