# US 10,245,795 B2 · Coagulant and tire puncture repair kit

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- Number: US 10,245,795 B2
- Document ID: US10245795B2
- Status: Granted
- Kind: B2
- Application number: 15/479,533
- Filed: 2017-04-05
- Published: 2017-07-20
- Granted: 2019-04-02
- Earliest claimed: 2013-08-01
- Assignees: The Yokohama Rubber Co., Ltd.
- Applicants: The Yokohama Rubber Co., Ltd.
- Inventors: Takahiro Okamatsu
- Web page: https://patentgrep.com/patent/US10245795B2

## CPC

- B29C 73/163: {Sealing compositions or agents, e.g. combined with propellant agents}
- C08L 3/02: Starch; Degradation products thereof, e.g. dextrin
- C08L 3/12: Amylose; Amylopectin; Degradation products thereof
- C08L 7/00: Compositions of natural rubber
- C08L 23/0853: Ethylene vinyl acetate copolymers
- B29K 2023/083: {EVA, i.e. ethylene vinyl acetate copolymer}
- C08L 2201/52: Aqueous emulsion or latex, e.g. containing polymers of a glass transition temperature (Tg) below 20°C
- C08L 2205/02: containing two or more polymers of the same C08L -group
- C08L 2205/035: containing four or more polymers in a blend
- B29C: SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING (making preforms B29B11/00; making laminated products by combining previously unconnected layers which become one product whose layers will remain together B32B37/00 - B32B41/00)
- C08L: COMPOSITIONS OF MACROMOLECULAR COMPOUNDS (compositions based on polymerisable monomers C08F, C08G; artificial filaments or fibres D01F; textile treating compositions D06)
- B29K: INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR {MOULDS, } REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS

## Abstract

The present invention is a tire puncture repair kit including tire puncture repair liquid and a coagulant for a tire puncture repair liquid with excellent coagulability. The coagulant of the present invention coagulates a tire puncture repair liquid, and contains an α-starch and/or a dextrin having a weight average molecular weight of 3,000 to 50,000.

## Claims

### Claim 1

A tire puncture repair kit comprising: a coagulant comprising an α-starch and a dextrin having a weight average molecular weight of 3,000 to 50,000; and a tire puncture repair liquid.

### Claim 2 (depends on 1)

The tire puncture repair kit according to claim 1, wherein the α-starch has an amylopectin content of 75 mass % or more.

### Claim 3 (depends on 1)

The tire puncture repair kit according to claim 1, the coagulant further comprising at least one deliquescent inorganic salt selected from the group consisting of sodium chloride, potassium chloride and magnesium chloride.

### Claim 4 (depends on 1)

The tire puncture repair kit according to claim 1, wherein the tire puncture repair liquid comprises at least one selected from the group consisting of a natural rubber latex and a synthetic resin emulsion.

### Claim 5 (depends on 4)

The tire puncture repair kit according to claim 4, wherein the tire puncture repair liquid further comprises an anti-freezing agent.

### Claim 6 (depends on 3)

The tire puncture repair kit according to claim 3, wherein the tire puncture repair liquid comprises at least one selected from the group consisting of a natural rubber latex and a synthetic resin emulsion.

### Claim 7 (depends on 6)

The tire puncture repair kit according to claim 6, wherein the tire puncture repair liquid further comprises an anti-freezing agent.

### Claim 8 (depends on 1)

The tire puncture repair kit according to claim 1, wherein a used amount of coagulant with respect to the tire puncture repair liquid is 5 to 150 parts by mass per 100 parts by mass of the tire puncture repair liquid.

### Claim 9 (depends on 2)

The tire puncture repair kit according to claim 2, wherein a used amount of coagulant with respect to the tire puncture repair liquid is 5 to 150 parts by mass per 100 parts by mass of the tire puncture repair liquid.

### Claim 10 (depends on 3)

The tire puncture repair kit according to claim 3, wherein a used amount of coagulant with respect to the tire puncture repair liquid is 5 to 150 parts by mass per 100 parts by mass of the tire puncture repair liquid.

### Claim 11 (depends on 4)

The tire puncture repair kit according to claim 4, wherein a used amount of coagulant with respect to the tire puncture repair liquid is 5 to 150 parts by mass per 100 parts by mass of the tire puncture repair liquid.

### Claim 12 (depends on 5)

The tire puncture repair kit according to claim 5, wherein a used amount of coagulant with respect to the tire puncture repair liquid is 5 to 150 parts by mass per 100 parts by mass of the tire puncture repair liquid.

### Claim 13 (depends on 2)

The tire puncture repair kit according to claim 2, the coagulant further comprising at least one deliquescent inorganic salt selected from the group consisting of sodium chloride, potassium chloride and magnesium chloride.

### Claim 14 (depends on 2)

The tire puncture repair kit according to claim 2, wherein the tire puncture repair liquid comprises at least one selected from the group consisting of a natural rubber latex and a synthetic resin emulsion.

### Claim 15 (depends on 14)

The tire puncture repair kit according to claim 14, wherein the tire puncture repair liquid further comprises an anti-freezing agent.

### Claim 16 (depends on 13)

The tire puncture repair kit according to claim 13, wherein a used amount of coagulant with respect to the tire puncture repair liquid is 5 to 150 parts by mass per 100 parts by mass of the tire puncture repair liquid.

### Claim 17 (depends on 14)

The tire puncture repair kit according to claim 14, wherein a used amount of coagulant with respect to the tire puncture repair liquid is 5 to 150 parts by mass per 100 parts by mass of the tire puncture repair liquid.

### Claim 18 (depends on 15)

The tire puncture repair kit according to claim 15, wherein a used amount of coagulant with respect to the tire puncture repair liquid is 5 to 150 parts by mass per 100 parts by mass of the tire puncture repair liquid.