U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Partial denture cleanser with fluoride

Patent 5736158 Issued on April 7, 1998. Estimated Expiration Date: Icon_subject March 27, 2016. 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.

Patent References

Enzyme-containing denture cleanser tablet
Patent #: 3962107
Issued on: 06/08/1976
Inventor: Levin ,   et al.

Denture cleansing tablet and process for making
Patent #: 4256599
Issued on: 03/17/1981
Inventor: Krisp ,   et al.

Toothpaste for bonded (composite filling material) as well as natural teeth
Patent #: 4603045
Issued on: 07/29/1986
Inventor: Smigel

Fluoride-containing compositions
Patent #: 4732617
Issued on: 03/22/1988
Inventor: Causton ,   et al.

Method for treating teeth with foamable fluoride compositions
Patent #: 4770634
Issued on: 09/13/1988
Inventor: Pellico

Fluorine-containing dental materials
Patent #: 4772325
Issued on: 09/20/1988
Inventor: Kwan ,   et al.

Cleansing compositions
Patent #: 5055305
Issued on: 10/08/1991
Inventor: Young

Method and device for cleaning the surfaces of abutment members of dental implants especially the lingual surfaces
Patent #: 5249962
Issued on: 10/05/1993
Inventor: Ascher

Radiopaque fluoride releasing VLC dental composites and the use of specific fillers therein
Patent #: 5304586
Issued on: 04/19/1994
Inventor: Hammesfahr, et al.

Process and composition for oral hygiene
Patent #: 5403579
Issued on: 04/04/1995
Inventor: Michaels

More ...

Inventor

Assignee

Application

No. 622769 filed on 03/27/1996

US Classes:

424/464, Tablets, lozenges, or pills424/52, Fluorine or fluorine compound containing424/53, Oxygen or chlorine releasing compound containing424/55, Hydroxy carboxylic acid or derivative thereof (e.g., methyl salicylate, etc.)424/56, Organic sulfate or sulfonate containing424/57, Phosphate compound containing424/466, Effervescent424/472Layered unitary dosage forms

Examiners

Primary: Bawa, Raj

Attorney, Agent or Firm

International Class

A61K 007/30

Abstract

A composition for the cleaning and protection of partial dentures and the associated natural teeth of the wearer consisting essentially of a peroxy bleach cleanser in an amount of from about 5.0 wt % to about 70.0 wt % of the total weight of the composition; a fluoride source incorporated in a polymer matrix in a polymer/fluoride weight ratio of from about 3:1 to 1:3; at least one surfactant in an amount of from about 3.0 wt % to about 18.0 wt %; an organic peroxy acid bleach in an amount of from about 10.0 wt % to about 40.0 wt %; an active bicarbonate-based effervescent agent in an amount of from about 5.0 wt % to about 65.0 wt %. The composition is formulated as a two-layer compressed tablet wherein one layer contains the peroxyacid bleach cleanser and surfactant while the other layer contains the fluoride and a surfactant. The partial dentures are oxidized by the peroxy bleach and they retain at least a portion of fluoride on the surface of the denture for the sustained delivery to the natural teeth once the partial denture is placed back into the mouth.

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