U.S. patents available from 1976 to present.
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Dentifrice for the treatment of dentinal hypersensitivity having limited astringency

Patent 5780015 Issued on July 14, 1998. Estimated Expiration Date: Icon_subject May 14, 2017. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

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Inventors

Application

No. 856265 filed on 05/14/1997

US Classes:

424/52, Fluorine or fluorine compound containing424/49DENTIFRICES (INCLUDES MOUTH WASH)

Examiners

Primary: Rose, Shep K.

Attorney, Agent or Firm

International Classes

A61K 007/16
A61K 007/18

Abstract

A two component desensitizing dentifrice composition is disclosed which comprises a first dentifrice component containing a desensitizing potassium salt such as potassium nitrate and a second dentifrice component containing a stannous salt desensitizing agent such as SnF2, the first and second dentifrice components being maintained separate form the other until dispensed for application to teeth requiring relief from dentine hypersensitivity, at least one of the dentifrice components containing the oxyethylated reaction product of hydrogenated castor oil to reduce astringency when the combined product is used by consumers.

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