The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 23, 2014
Filed:
Feb. 05, 2003
Parminder Singh, San Francisco, CA (US);
Gary W. Cleary, Los Altos Hills, CA (US);
Sri Mudumba, Union City, CA (US);
Mikhail M. Feldstein, Moscow, RU;
Danir R. Bairamov, Moscow, RU;
Parminder Singh, San Francisco, CA (US);
Gary W. Cleary, Los Altos Hills, CA (US);
Sri Mudumba, Union City, CA (US);
Mikhail M. Feldstein, Moscow, RU;
Danir R. Bairamov, Moscow, RU;
A. V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, Moscow, RU;
Corium International, Inc., Menlo Park, CA (US);
Abstract
A composition is provided, wherein the composition comprises a water-swellable, water-insoluble polymer, a blend of a hydrophilic polymer and a complementary oligomer capable of hydrogen bonding to the hydrophilic polymer, and a whitening agent, preferably a peroxide. The composition finds utility as a tooth whitening composition and is applied to the teeth in need of whitening, and then removed when the degree of whitening has been achieved. In certain embodiments, the composition is translucent. Methods for preparing and using the compositions are also disclosed.