Vitamin D3 phosphate and pharmaceutically acceptable salts thereof, pharmaceutical compositions comprising the compound and methods for preparing the compound

US12473310B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-12473310-B2
Application numberUS-202118031836-A
CountryUS
Kind codeB2
Filing dateOct 20, 2021
Priority dateOct 20, 2020
Publication dateNov 18, 2025
Grant dateNov 18, 2025

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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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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

Disclosed is the compound vitamin D 3 phosphate and pharmaceutically acceptable salts thereof, pharmaceutical compositions comprising the compound and methods for preparing the compound. Also disclosed are methods of treating vitamin D deficiency using the compound. The compound is particularly suitable for transdermal delivery.

First claim

Opening claim text (preview).

The invention claimed is: 1 . A compound of the formula (I): or a pharmaceutically acceptable salt thereof, wherein the compound is more than 80% pure. 2 . The compound of claim 1 , wherein the compound is of the formula (IA): or a pharmaceutically acceptable salt thereof. 3 . The compound according to claim 2 , wherein the compound is in the free acid form. 4 . The compound according to claim 2 , wherein the compound is in the form of a pharmaceutically acceptable salt. 5 . A compound of the formula (I): wherein the compound is in the form of a di-sodium salt the compound is more than 80% pure. 6 . A compound of formula (IA): wherein the compound is in the form of a di-sodium salt the compound is more than 80% pure.

Assignees

Inventors

Classifications

  • Irradiation products of cholesterol or its derivatives; Vitamin D derivatives, 9,10-seco cyclopenta[a]phenanthrene or analogues obtained by chemical preparation without irradiation · CPC title

  • containing P(=O)-halide groups · CPC title

  • Drugs for dermatological disorders · CPC title

  • C07F9/095Primary

    Compounds containing the structure P(=O)-O-acyl, P(=O)-O-heteroatom, P(=O)-O-CN · CPC title

  • C07F9/117Primary

    with cycloaliphatic alcohols · CPC title

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Frequently asked questions

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What does patent US12473310B2 cover?
Disclosed is the compound vitamin D 3 phosphate and pharmaceutically acceptable salts thereof, pharmaceutical compositions comprising the compound and methods for preparing the compound. Also disclosed are methods of treating vitamin D deficiency using the compound. The compound is particularly suitable for transdermal delivery.
Who is the assignee on this patent?
King S College London
What technology area does this patent fall under?
Primary CPC classification C07F9/095. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Tue Nov 18 2025 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).