Patent · US Active

Peracid-generating compositions

US9884000B2 · kind B2 · utility

11Cited by

53References

18Claims

0Family size

Assignees

Colgate-Palmolive Company · US
E.I. DU PONT DE NEMOURS AND COMPANY · US

Inventors

Thomas Boyd · Metuchen, US
Guofeng Xu · Plainsboro, US
Richard Adams · Monmouth Junction, US
Robert Pierce · Berkeley Heights, US
Steven Miller · Skillman, US
David Viscio · Prescott Valley, US
Kari A. Fosser · Folsom, US
Robert DiCosimo · Chadds Ford, US
Hong Wang · Beijing, CN

Key dates

Filing date	Dec 18, 2012
Grant date	Feb 6, 2018
Priority date	—
Expiry date	Dec 18, 2032

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K2800/87
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Described herein are tooth whitening strips comprising an hydratable adhesive film having a granular bleaching ingredient attached thereto, wherein upon hydration, the granular bleaching ingredient releases hydrogen peroxide which is used by an enzyme catalyst having perhydrolytic activity to enzymatically produce an effective amount of peracid bleaching agent from an acyl donor substrate. Methods of making and use the tooth whitening strips are also provided.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.