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US 9,512,339 B2Granted
Polymeric compositions for sustained release of volatile materials
AssigneeThe Procter & Gamble Company
InventorsCalum MacBeath, Italo Corzani, Lamia Delphine Mimassi
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Abstract
A polymeric composition comprising a copolymer of ethylene with at least another monomer comprising at least a heteroatom, a tackifier, less than 10% of a compatible plasticizer or blend of plasticizers and a volatile material. The compositions are able to deliver effectively the volatile material incorporated for a long time and also have good adhesion properties on most substrates.
Claims9
A homogenous polymeric hot melt adhesive composition having a melting point of about 60° C. to about 80° C. and comprising:
- a) a copolymer of ethylene with vinyl acetate,
- b) a tackifier, wherein the tackifier is not an aliphatic hydrocarbon,
- c) up to 10% by weight of the total weight of the composition of a compatible plasticizer or blend of plasticizers, and
- d) a volatile material, wherein the volatile material is a perfume.
1 more element
Dependencies are inferred from the claim text.