Smoking article filter and insertable filter unit therefor

US12295408B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-12295408-B2
Application numberUS-202318321383-A
CountryUS
Kind codeB2
Filing dateMay 22, 2023
Priority dateJun 27, 2011
Publication dateMay 13, 2025
Grant dateMay 13, 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

    Technology tags used to group this patent with similar filings.

  7. Citations and related patents

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Abstract

Official abstract text for this publication.

A smoking article filter includes a recess to receive a filter insert unit. The filter insert unit is secured to the filter once inserted. The filter and the filter insert unit may include additives such as flavourants, colourants or sorbents.

First claim

Opening claim text (preview).

The invention claimed is: 1. An insertable filter unit for a heat-not-burn product comprising a recess to receive the insertable filter unit, wherein the insertable filter unit comprises a smoke modifying substance that comprises a flavourant comprising tobacco, the insertable filter unit also comprising filtration material. 2. The insertable filter unit according to claim 1 , wherein the tobacco is in granule form. 3. The insertable filter unit according to claim 1 , comprising a thin insertable part, arranged to be inserted into the recess, and a thicker non-insertable part. 4. The insertable filter unit according to claim 1 , comprising retaining means to retain the insertable filter unit in the recess. 5. The insertable filter unit according to claim 4 , wherein the retaining means comprises mechanical retaining means. 6. The insertable filter unit according to claim 5 , wherein the mechanical retaining means comprises a screw thread. 7. The insertable filter unit according to either claim 5 , wherein the mechanical retaining means comprises an insertable spike. 8. The insertable filter unit according to claim 4 , wherein the retaining means comprises an adhesive. 9. The insertable filter unit according to claim 1 , formed from a manually compressible material. 10. The insertable filter unit according to claim 1 , having an end-on cross-sectional shape arranged to increase the surface area of the insertable filter unit. 11. The insertable filter unit according to claim 1 , comprising a colourant. 12. The insertable filter unit according to claim 1 , wherein the flavourant additionally comprises at least one of: menthol, lemon, orange, lime, coffee, and/or tea.

Assignees

Inventors

Classifications

  • containing additives · CPC title

  • of organic materials as additive (of ion exchange materials A24D3/12) · CPC title

  • containing additives entrapped within capsules, sponge-like material or the like, for further release upon smoking · CPC title

  • with additives, e.g. for flavouring · CPC title

  • the additive being in the form of capsules, beads or the like · CPC title

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Frequently asked questions

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What does patent US12295408B2 cover?
A smoking article filter includes a recess to receive a filter insert unit. The filter insert unit is secured to the filter once inserted. The filter and the filter insert unit may include additives such as flavourants, colourants or sorbents.
Who is the assignee on this patent?
Nicoventures Trading Ltd
What technology area does this patent fall under?
Primary CPC classification A24D3/04. Mapped technology areas include Human Necessities.
When was this patent published?
Publication date Tue May 13 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 2 related publications on this page (citations in our corpus or others sharing the same primary CPC).