# US 10,765,141 B2 · Material for inclusion in a smoking article

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- Number: US 10,765,141 B2
- Document ID: US10765141B2
- Status: Granted
- Kind: B2
- Application number: 15/542,177
- Filed: 2016-01-05
- Published: 2018-09-13
- Granted: 2020-09-08
- Earliest claimed: 2015-01-07
- Assignees: British American Tobacco (Investments) Limited
- Applicants: British American Tobacco (Investments) Limited
- Inventors: Edward John; Joceyln Benning; Steven Coburn; Alice Lance
- Web page: https://patentgrep.com/patent/US10765141B2

## CPC

- A24B 15/16: of tobacco substitutes
- A24B 15/12: of reconstituted tobacco
- A24B 15/14: made of tobacco and a binding agent not derived from tobacco
- A24B 15/303: {Plant extracts other than tobacco}
- A24B: MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF

## Abstract

The invention relates to a smokeable sheet material for inclusion in a smoking article (1), the sheet material comprising greater than 39.5% by weight acacia gum.

## Claims

### Claim 1

A smokeable sheet material for inclusion in a smoking article, the sheet material comprising a filler and greater than 39.5% acacia gum by weight, wherein the sheet material does not comprise substantially solid or particulate matter of a size greater than 50 μm, wherein the sheet material comprises no more than 25% tobacco by weight.

### Claim 2 (depends on 1)

A smokeable sheet material according to claim 1, comprising at least 39.9, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 55, 60, 65, 70, 75, 80 or 85% acacia gum by weight.

### Claim 3 (depends on 1)

A smokeable sheet material according to claim 1, wherein the filler comprises one or more of alginate, chalk and glycerol.

### Claim 4 (depends on 1)

A smokeable sheet material according to claim 1, wherein the sheet material comprises no more than 20%, 15%, 10%, 5%, 4%, 3%, 2%, 1% or 0.5% tobacco by weight.

### Claim 5 (depends on 1)

A smokeable sheet material according to claim 1, wherein the sheet material does not comprise tobacco.

### Claim 6

A method of preparing a sheet of smokeable material for inclusion in a smoking article wherein the method comprises preparing, casting and drying a solution or slurry comprising a filler and acacia gum, wherein the amount of acacia gum in the solution or slurry is at least 39.5% by weight of the solid content of the solution or slurry, wherein the solution or slurry prior to casting does not comprise solid or particulate matter of a size greater than 50 μm, where the amount of tobacco in the solution or slurry is no more than 25% by weight of the solid content of the solution or slurry.

### Claim 7 (depends on 6)

A method as claimed in claim 6, wherein the amount of acacia gum in the solution or slurry is at least 39.9, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 55, 60, 65, 70, 75, 80 or 85% by weight of the solid content of the solution or slurry.

### Claim 8 (depends on 6)

A method as claimed in claim 6, where the filler comprises one or more of alginate, chalk or glycerol.

### Claim 9 (depends on 6)

A method as claimed in claim 6, where the amount of tobacco in the solution or slurry is no more than 20%, 15%, 10%, 5%, 4%, 3%, 2%, 1% or 0.5% by weight of the solid content of the solution or slurry.

### Claim 10 (depends on 1)

A smoking article comprising a smokeable sheet material according to claim 1.

### Claim 11 (depends on 10)

A smoking article as claimed in claim 10, further comprising tobacco.

### Claim 12

A smokeable sheet material configured to reduce the level of one or more of the constituents of mainstream smoke generated upon use of a smoking article, wherein the sheet material comprises a filler, and greater than 39.5% acacia gum by weight, wherein the sheet material does not comprise substantially solid or particulate matter of a size greater than 50 μm, wherein the sheet material comprises no more than 25% tobacco by weight.

### Claim 13 (depends on 2)

A smokeable sheet material according to claim 2, wherein the filler comprises one or more of alginate, chalk and glycerol.

### Claim 14 (depends on 2)

A smokeable sheet material according to claim 2, wherein the sheet material does not comprise tobacco.

### Claim 15 (depends on 2)

A smoking article comprising a smokeable sheet material according to claim 2.

### Claim 16 (depends on 3)

A smoking article comprising a smokeable sheet material according to claim 3.

### Claim 17 (depends on 4)

A smoking article comprising a smokeable sheet material according to claim 4.

### Claim 18 (depends on 5)

A smoking article comprising a smokeable sheet material according to claim 5.