Patents

Waterless Mouthwash

US Patent No. 12,128,138 B2 details a swishable powder delivery system with two types of sugar alcohol particles.

PeopleImages.com – Yuri A/ Shutterstock.com

Photo: PeopleImages.com – Yuri A/ Shutterstock.com

US Patent No. 12,128,138 B2 (Helle Wittorff, Christine Nøhr Pedersen); Fertin Pharma A/S, Vejle, Denmark, has patented method of achieving oral care benefits with a non-liquid mouthwash. It entails the following steps:

• providing a swishable powder delivery system with at least two types of sugar alcohol particles with different particle size distributions and one or more active ingredients, the powder delivery system being a dry and flowable population of particles in solid form; and

•  administering and swishing the solid form without adding water to the human’s oral cavity;

The fluid is generated in the oral cavity upon swishing solid form without adding water by the human subject, thereby resembling a liquid mouthwash.

Fertin Pharma has been part of Philip Morris International since July 2021.

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