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Patent Pick: Immobilized Flavor Delivery

Nov 24th, 2015
Perfumer & Flavorist editors
Green-molecule-structure-200

Patent Picks are chosen by the editors from publicly available sources. Today's highlight is a copolymer having a flavorant covalently bound to its backbone, which decreases flavor loss.

Immobilized flavorants for flavor delivery
U.S. Patent 9185925
Publication date: Nov. 17, 2015
Assignee: Philip Morris USA Inc.

Described in this patent is a copolymer that includes a repeating unit containing a flavorant-containing pendant and a salt-containing repeating unit. In addition, a comestible, a smoking composition, a smoking article, a smokeless tobacco composition and a heatable or combustible product are provided that incorporate one or more of the flavorant-containing copolymers.

The flavorant is linked to a polymeric backbone through a non-carbonate linking group, which is capable of releasing the flavorant. By covalently binding the flavorant to the polymeric backbone, migration and losses of the flavorant prior to use can be prevented, and release of the flavorant under predetermined conditions can be obtained.

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