Methods of using a dental composition having an acidic component and a photobleachable dye

US9943465B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9943465-B2
Application numberUS-51773907-A
CountryUS
Kind codeB2
Filing dateDec 12, 2007
Priority dateDec 13, 2006
Publication dateApr 17, 2018
Grant dateApr 17, 2018

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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Abstract

Official abstract text for this publication.

Methods of using a dental composition having a photobleachable dye and an acidic component with a pKa of less than 4.5 are disclosed. The photobleachable dye is selected from the group consisting of aminoanthraquinone dyes, azo dyes, and combinations thereof. The aged color of the dental composition is substantially the same as the color of the dental composition immediately after hardening.

First claim

Opening claim text (preview).

What is claimed is: 1. A method for treating an oral surface, the method comprising: applying a hardenable dental composition to the oral surface, wherein the hardenable dental composition comprises: a hardenable component; an initiator for initiating hardening of the hardenable dental composition; an acidic component having a pK a of less than 4.5; and a photobleachable dye is aminoanthraquinone dyes, wherein the photobleachable dye is at least partially soluble in the ha…

Assignees

Inventors

Classifications

  • A61K6/20Primary

    Human Necessities · mapped topic

  • A61K6/30Primary

    Human Necessities · mapped topic

  • Human Necessities · mapped topic

  • A61K6/0017Primary

    Human Necessities · mapped topic

  • Human Necessities · mapped topic

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What does patent US9943465B2 cover?
Methods of using a dental composition having a photobleachable dye and an acidic component with a pKa of less than 4.5 are disclosed. The photobleachable dye is selected from the group consisting of aminoanthraquinone dyes, azo dyes, and combinations thereof. The aged color of the dental composition is substantially the same as the color of the dental composition immediately after hardening.
Who is the assignee on this patent?
Falsafi Afshin, Oxman Joel D, Ton Tiffany T, and 5 more
What technology area does this patent fall under?
Primary CPC classification A61K6/20. Mapped technology areas include Human Necessities.
When was this patent published?
Publication date Tue Apr 17 2018 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).