WO2023162774A1 - 排泄物処理材及びその製造方法 - Google Patents
排泄物処理材及びその製造方法 Download PDFInfo
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- WO2023162774A1 WO2023162774A1 PCT/JP2023/004923 JP2023004923W WO2023162774A1 WO 2023162774 A1 WO2023162774 A1 WO 2023162774A1 JP 2023004923 W JP2023004923 W JP 2023004923W WO 2023162774 A1 WO2023162774 A1 WO 2023162774A1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K1/00—Housing animals; Equipment therefor
- A01K1/015—Floor coverings, e.g. bedding-down sheets ; Stable floors
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K1/00—Housing animals; Equipment therefor
- A01K1/015—Floor coverings, e.g. bedding-down sheets ; Stable floors
- A01K1/0152—Litter
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K1/00—Housing animals; Equipment therefor
- A01K1/015—Floor coverings, e.g. bedding-down sheets ; Stable floors
- A01K1/0152—Litter
- A01K1/0155—Litter comprising organic material
Definitions
- the present invention relates to an excrement disposal material and a manufacturing method thereof.
- Patent Document 1 As a conventional excreta disposal material, there is one described in Patent Document 1, for example.
- the excrement treatment material described in the same document is composed of a plurality of hydrophobic (water-repellent) granular bodies, and is installed in an animal litter box.
- This toilet is divided into an upper space and a lower space by a mesh sheet that allows urine to pass through.
- Hydrophobic granules are arranged in the upper space.
- a liquid absorbent sheet is provided in the lower space.
- the hydrophobic granules guide urine downward, thereby suppressing leakage of bad odors generated from urine to the outside of the toilet.
- urine adheres to the hydrophobic granules there is a problem that the urine tends to remain on the surface of the granules. Urine remaining on the surface of the granules causes bad odors from the urine to leak out of the toilet.
- the present invention has been made in view of the above problems, and an object of the present invention is to provide an excrement disposal material in which urine is less likely to remain on the surface of the granules, and a method for producing the same.
- An excrement disposal material is an excrement disposal material comprising a plurality of hydrophobic granules, wherein the plurality of granules are first granules and are smaller than the first granules. and second granules having a hydrophobicity.
- the first and second granular bodies are provided in this excreta disposal material.
- the second granules have a lower hydrophobicity than the first granules.
- a method for producing an excreta treating material according to the present invention is a method for producing an excrement treating material comprising a plurality of hydrophobic granules, and includes a granule forming step of forming the plurality of granules.
- the step of forming the granules includes a step of forming a first granule and a second granule forming a second granule having a lower hydrophobicity than the first granule. and a body formation step.
- first and second granules are formed.
- the second granules have a lower hydrophobicity than the first granules.
- the first granules also have a lower hydrophobicity than the first granules. It becomes difficult for urine to remain on the surface. This is because the urine adhering to the surface of the first granular material is taken into the inside of the second granular material surrounding the first granular material.
- an excrement disposal material in which urine is less likely to remain on the surface of the granules, and a method for manufacturing the same are realized.
- FIG. 1 is a schematic diagram showing one embodiment of an excrement disposal material according to the present invention.
- FIG. 1 is a schematic diagram showing one embodiment of the excrement disposal material according to the present invention.
- the excrement disposal material 1 is an excrement disposal material used for disposal of excrement (mainly urine).
- the excrement disposal material 1 may be an animal excrement disposal material used for disposal of animal excrement such as cats and dogs, or a human excrement disposal material used for disposal of human excrement. It can be material.
- the excreta disposal material 1 consists of a plurality of granular bodies 10 for treating excrement.
- plural of granules 10 refers to all granules 10 constituting the excrement disposal material 1 unless otherwise specified.
- the excrement disposal material 1 is used, for example, in a two-stage toilet (system toilet) that is divided into an upper space and a lower space by a partition member having holes for urine to pass through. In that case, the excrement disposal material 1 is used in a state in which a plurality of granular bodies 10 are laid in the upper space (on the partition member) of the system toilet.
- Each granule 10 has hydrophobicity. That is, each granule 10 has the property of not absorbing liquid such as urine at all, or hardly absorbing it at all. In order for the granular material 10 to have hydrophobic properties, it is necessary that the degree of hydrophobicity measured by the following test is 60% or more. First, 50 g of the granular material 10 (sample) is put into a sieve with an inner diameter of 10 cm and an opening of 1 mm. Place an empty beaker under the sieve.
- Each granular body 10 is granular. Such granular shapes include, for example, spheres, cylinders, or ellipsoids. Each grain 10 consists of uncoated granules.
- the particle size of each granular material 10 is, for example, 5 mm or more and 20 mm or less. Here, the particle size of the granular material 10 is defined as the diameter of the smallest sphere that can contain the granular material 10 .
- Each granular body 10 is mainly made of an organic substance.
- the main material of the granules 10 refers to one or more materials constituting the granules 10 that occupy the largest weight ratio in the granules 10 . Examples of such organic matter include papers, used tea leaves, plastics, and bean curd refuse.
- Each granule 10 may consist of only an organic substance, or may consist of an organic substance and an inorganic substance.
- Paper refers to materials mainly composed of pulp.
- Examples of paper include, in addition to normal paper (paper dust), vinyl chloride wallpaper fractions, photographic paper, release paper, fluff pulp, paper sludge, and pulp sludge.
- PVC wallpaper fractions are obtained by removing some of the polyvinyl chloride from paper and PVC wallpaper containing polyvinyl chloride.
- Examples of plastics include ordinary plastics as well as aluminum vapor-deposited films and paper diaper classified products (plastics obtained by classifying paper diapers).
- the okara is preferably dried okara. Hydrophobic treatment (water repellent treatment) may or may not be applied to these materials.
- the number of materials constituting each granular body 10 may be only one, or may be two or more. In the former case, the material constituting the granular body 10 is only the main material described above. In the latter case, the granules 10 will consist of a mixture of the main material and other materials. Other materials include, for example, gypsum or baking soda. By adding gypsum or baking soda, the hydrophobicity of the granular material 10 can be increased. The amount of gypsum or baking soda is, for example, 5% by weight or more and less than 50% by weight with respect to the entire granular material 10 . Each grain 10 does not contain adhesive material.
- the plurality of granular bodies 10 include granular bodies 12 (first granular bodies) and granular bodies 14 (second granular bodies).
- Granular bodies 14 have a lower hydrophobicity than granular bodies 12 .
- the hydrophobicity of the granules 12 is A% and the hydrophobicity of the granules 14 is B%, (A ⁇ B) ⁇ 10 is preferable, and (AB) ⁇ 20 is more preferable. . However, (A ⁇ B) ⁇ 40.
- the hydrophobicity of the granules 12 is, for example, 80% or more and 100% or less.
- the hydrophobicity of the granular material 14 is, for example, 60% or more and 80% or less.
- the granules 12 and the granules 14 are provided in plural numbers. These granules 12 and 14 are mixed in the excreta disposal material 1 .
- the number of granules 14 is preferably 30% or more and 70% or less of the total number of granules 12 and 14, and more preferably 40% or more and 60% or less.
- the grain size of the grains 14 may be equal to the grain size of the grains 12 or may be different from the grain size of the grains 12 .
- the granular bodies 14 may be made of a material having the same composition as that of the granular bodies 12 or may be made of a material having a composition different from that of the granular bodies 12 .
- the plurality of granules 10 may include only the granules 12 and 14 or may include granules other than the granules 12 and 14 .
- This manufacturing method includes a granule forming step.
- the granule forming step is a step of forming a plurality of granules 10.
- the granule forming step includes first and second granule forming steps.
- the first granule forming step is a step of forming the granules 12 .
- a plurality of granules to be the granules 12 are formed by granulating the first granulation material (the material forming the granules 12) using a granulator.
- a granulator for example, an extrusion granulator can be used.
- the granules may be subjected to hydrophobic treatment as necessary.
- Hydrophobic treatment can be performed, for example, by coating the surface of the granules with a hydrophobic agent (water repellent agent).
- a hydrophobic agent water repellent agent
- the first granulation material Prior to granulation, the first granulation material is subjected to pretreatment such as pulverization, kneading, adding water, etc., as required. After granulation, post-treatments such as sieving (granulation) and drying are performed as necessary. Thereby, a plurality of granular bodies 12 are obtained.
- the second granule forming step is a step of forming the granules 14 .
- a plurality of granules to be the granules 14 are formed by granulating the second granulation material (the material forming the granules 14) using a granulator.
- the granules may be subjected to hydrophobic treatment as necessary.
- the second granulation material Prior to granulation, the second granulation material is subjected to pretreatment such as pulverization, kneading, adding water, etc., as required. After granulation, post-treatments such as sieving (granulation) and drying are performed as necessary. Thereby, a plurality of granular bodies 14 are obtained.
- the granules 14 are formed so that the hydrophobicity of the granules 14 is lower than that of the granules 12 .
- the hydrophobicity of the granules 14 can be made smaller than the hydrophobicity of the granules 12. .
- the hydrophobicity of the granules 14 can be adjusted to that of the granules 12 by making the content of the material different between the granules 12 and the granules 14. It can be smaller than the hydrophobicity.
- the weight ratio of the above material in the granular bodies 14 may be made smaller than the weight ratio of the above material in the granular bodies 12 .
- the hydrophobicity of the granules 14 can be increased. It can be made smaller than the hydrophobicity of the granular material 12 . This is because if the pressure during granulation is reduced, the gaps on the surface and inside of the granules become large, making it easier for water to enter the granules.
- the pressure during granulation can be adjusted, for example, by changing the thickness of the die of the granulator. That is, the smaller the thickness of the die, the smaller the pressure during granulation.
- the order of performing the first and second granule forming steps is arbitrary. That is, both steps may be performed in parallel, or one step may be performed before the other.
- the granules 12 formed in the first granule forming step and the granules 14 formed in the second granule forming step are mixed.
- the excrement disposal material 1 composed of a plurality of granules 10 including the granules 12 and 14 is obtained.
- grains 12 and grains 14 are formed.
- the hydrophobicity of the granular bodies 14 is smaller than the hydrophobicity of the granular bodies 12 .
- both the granular bodies 12 and the granular bodies 14 are hydrophobic.
- hydrophobic granules for both the granules 12 and the granules 14 in this way, when either the granules 12 or the granules 14 are non-hydrophobic (water-absorbing) granules, In comparison, the excrement disposal material 1 as a whole can have a higher water permeability (the ability to guide urine downward in the toilet).
- the proportion of the granules 14 in the whole excrement disposal material 1 is large.
- the number of granules 14 is preferably 30% or more of the total number of granules 12 and 14, and more preferably 40% or more.
- the proportion of the granular material 14 is preferably 70% or less of the total number of granules 12 and 14, and more preferably 60% or less.
- the granular material with the large particle size is unevenly distributed in the upper layer, and the granular material with the small particle size is unevenly distributed.
- the body tends to be unevenly distributed in the lower layer. This is because granules with a small particle size tend to move downward through gaps between granules with a large particle size.
- the grain size of the grains 12 and the grain size of the grains 14 are equal to each other, the grains 12 and the grains 14 tend to be uniformly distributed. It is advantageous to let By placing the granular bodies 12 and the granular bodies 14 adjacent to each other in this way, the urine adhering to the surface of the granular bodies 12 is easily taken into the granular bodies 14 .
- the material for the granules 12 and 14 are made of materials having the same composition, the material for the granules 12 (first granulation material) and the material for the granules 14 (second granulation material) are used in common. can be done. This contributes to the reduction of the manufacturing cost of the excreta disposal material 1 .
- the granules 12 and 14 are made of materials with different compositions, a material with relatively high hydrophobicity is used as the first granulation material, and a material with relatively low hydrophobicity is used as the second granulation material. can be used. Thereby, it is possible to easily realize the granular bodies 12 and the granular bodies 14 having mutually different hydrophobicities.
- Each granule 10 does not contain an adhesive material. Therefore, stickiness of the surface of the granular material 10 can be suppressed. This makes it difficult for the granules 10 to adhere to the feet of the animal during excretion. There is a problem that the granules 10 adhering to the feet of the animal are scattered outside the toilet after excretion. Such a problem can be made less likely to occur by suppressing the stickiness of the surface of the granular material 10 .
- Each granule 10 consists of uncoated granules. This eliminates the need for the coating material (material used for coating the granules) and the coating process (the process for coating the granules with the coating material), thereby reducing the manufacturing cost of the excrement disposal material 1. .
- each granular body 10 is an organic substance. Thereby, the granular material 10 suitable for incineration disposal can be obtained. In this case, the used excrement disposal material 1 can be easily discarded as combustible waste, thereby improving convenience for the user. In particular, when each granule 10 consists only of organic matter, the granule 10 more suitable for incineration disposal can be obtained.
- each granular material 10 is made of uncoated granules is exemplified.
- each granule 10 may be made of granules having a surface entirely or partially coated.
- each grain 10 may contain an adhesive material.
- Adhesive materials include, for example, water-absorbing polymers, starch, CMC (carboxymethylcellulose), PVA (polyvinyl alcohol), or dextrin.
- the water absorbing polymer for example, an acrylic water absorbing polymer such as sodium polyacrylate can be used.
- each granular body 10 is mainly made of an organic substance.
- each granular body 10 may be made mainly of an inorganic substance.
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Abstract
Description
10 粒状体
12 粒状体(第1の粒状体)
14 粒状体(第2の粒状体)
Claims (26)
- 疎水性を有する複数の粒状体からなる排泄物処理材であって、
前記複数の粒状体は、第1の粒状体と、前記第1の粒状体よりも小さい疎水率を有する第2の粒状体とを含むことを特徴とする排泄物処理材。 - 請求項1に記載の排泄物処理材において、
前記第1の粒状体の疎水率をA%とし、前記第2の粒状体の疎水率をB%としたとき、
(A-B)≧10である排泄物処理材。 - 請求項2に記載の排泄物処理材において、
(A-B)≧20である排泄物処理材。 - 請求項1乃至3の何れかに記載の排泄物処理材において、
前記第1及び第2の粒状体は、複数ずつ設けられている排泄物処理材。 - 請求項4に記載の排泄物処理材において、
前記第2の粒状体の個数は、前記第1及び第2の粒状体の個数の合計の30%以上70%以下である排泄物処理材。 - 請求項5に記載の排泄物処理材において、
前記第2の粒状体の個数は、前記第1及び第2の粒状体の個数の合計の40%以上60%以下である排泄物処理材。 - 請求項1乃至6の何れかに記載の排泄物処理材において、
前記第2の粒状体の粒径は、前記第1の粒状体の粒径に等しい排泄物処理材。 - 請求項1乃至7の何れかに記載の排泄物処理材において、
前記第2の粒状体は、前記第1の粒状体と同一組成の材料からなる排泄物処理材。 - 請求項1乃至7の何れかに記載の排泄物処理材において、
前記第2の粒状体は、前記第1の粒状体と異なる組成の材料からなる排泄物処理材。 - 請求項1乃至9の何れかに記載の排泄物処理材において、
前記各粒状体は、被覆されていない造粒物からなる排泄物処理材。 - 請求項1乃至10の何れかに記載の排泄物処理材において、
前記各粒状体は、接着性材料を含有していない排泄物処理材。 - 請求項1乃至11の何れかに記載の排泄物処理材において、
前記各粒状体は、有機物を主材料とする排泄物処理材。 - 請求項12に記載の排泄物処理材において、
前記各粒状体は、有機物のみからなる排泄物処理材。 - 疎水性を有する複数の粒状体からなる排泄物処理材を製造する方法であって、
前記複数の粒状体を形成する粒状体形成工程を含み、
前記粒状体形成工程は、第1の粒状体を形成する第1の粒状体形成工程と、前記第1の粒状体よりも小さい疎水率を有する第2の粒状体を形成する第2の粒状体形成工程とを含むことを特徴とする排泄物処理材の製造方法。 - 請求項14に記載の排泄物処理材の製造方法において、
前記第2の粒状体形成工程においては、前記第1の粒状体の疎水率をA%とし、前記第2の粒状体の疎水率をB%としたとき、(A-B)≧10となるように、当該第2の粒状体を形成する排泄物処理材の製造方法。 - 請求項15に記載の排泄物処理材の製造方法において、
前記第2の粒状体形成工程においては、(A-B)≧20となるように、前記第2の粒状体を形成する排泄物処理材の製造方法。 - 請求項14乃至16の何れかに記載の排泄物処理材の製造方法において、
前記第1の粒状体形成工程においては、複数の前記第1の粒状体を形成し、
前記第2の粒状体形成工程においては、複数の前記第2の粒状体を形成する排泄物処理材の製造方法。 - 請求項17に記載の排泄物処理材の製造方法において、
前記粒状体形成工程においては、前記第2の粒状体の個数が前記第1及び第2の粒状体の個数の合計の30%以上70%以下となるように、当該第1及び第2の粒状体を混合する排泄物処理材の製造方法。 - 請求項18に記載の排泄物処理材の製造方法において、
前記粒状体形成工程においては、前記第2の粒状体の個数が前記第1及び第2の粒状体の個数の合計の40%以上60%以下となるように、当該第1及び第2の粒状体を混合する排泄物処理材の製造方法。 - 請求項14乃至19の何れかに記載の排泄物処理材の製造方法において、
前記第2の粒状体形成工程においては、前記第2の粒状体の粒径が前記第1の粒状体の粒径に等しくなるように、当該第2の粒状体を形成する排泄物処理材の製造方法。 - 請求項14乃至20の何れかに記載の排泄物処理材の製造方法において、
前記第2の粒状体形成工程においては、前記第1の粒状体と同一組成の材料からなる前記第2の粒状体を形成する排泄物処理材の製造方法。 - 請求項14乃至20の何れかに記載の排泄物処理材の製造方法において、
前記第2の粒状体形成工程においては、前記第1の粒状体と異なる組成の材料からなる前記第2の粒状体を形成する排泄物処理材の製造方法。 - 請求項14乃至22の何れかに記載の排泄物処理材の製造方法において、
前記粒状体形成工程においては、被覆されていない造粒物からなる前記複数の粒状体を形成する排泄物処理材の製造方法。 - 請求項14乃至23の何れかに記載の排泄物処理材の製造方法において、
前記粒状体形成工程においては、接着性材料を含有しない前記複数の粒状体を形成する排泄物処理材の製造方法。 - 請求項14乃至24の何れかに記載の排泄物処理材の製造方法において、
前記粒状体形成工程においては、有機物を主材料とする前記複数の粒状体を形成する排泄物処理材の製造方法。 - 請求項25に記載の排泄物処理材の製造方法において、
前記粒状体形成工程においては、有機物のみからなる前記複数の粒状体を形成する排泄物処理材の製造方法。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202380015774.9A CN118475235A (zh) | 2022-02-24 | 2023-02-14 | 排泄物处理材料及其制造方法 |
| EP23759776.0A EP4483711A4 (en) | 2022-02-24 | 2023-02-14 | EXCREMENT TREATMENT MATERIAL AND ITS PRODUCTION PROCESS |
| US18/789,004 US20240381834A1 (en) | 2022-02-24 | 2024-07-30 | Excrement treatment material and method for manufacturing the same |
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| JP2022-026278 | 2022-02-24 | ||
| JP2022026278A JP7777467B2 (ja) | 2022-02-24 | 2022-02-24 | 排泄物処理材及びその製造方法 |
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| US18/789,004 Continuation US20240381834A1 (en) | 2022-02-24 | 2024-07-30 | Excrement treatment material and method for manufacturing the same |
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| US (1) | US20240381834A1 (ja) |
| EP (1) | EP4483711A4 (ja) |
| JP (1) | JP7777467B2 (ja) |
| CN (1) | CN118475235A (ja) |
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Citations (5)
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| JP2005110700A (ja) | 2005-01-27 | 2005-04-28 | Unicharm Petcare Corp | ペット用トイレ |
| JP2011217637A (ja) * | 2010-04-06 | 2011-11-04 | Daiki:Kk | 動物用トイレ |
| JP2019187241A (ja) * | 2018-04-18 | 2019-10-31 | 株式会社大貴 | 排泄物処理材及びその製造方法 |
| JP2021093987A (ja) * | 2019-12-19 | 2021-06-24 | 株式会社大貴 | 排泄物処理材及びその製造方法 |
| JP2022013020A (ja) * | 2020-07-03 | 2022-01-18 | 株式会社大貴 | 排泄物処理材及びその製造方法 |
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| JP6444065B2 (ja) * | 2014-05-30 | 2018-12-26 | ユニ・チャーム株式会社 | 排泄物処理材 |
| JP6173634B1 (ja) * | 2017-03-24 | 2017-08-02 | 株式会社大貴 | 排泄物処理材及びその製造方法 |
| JP6510713B1 (ja) * | 2018-08-06 | 2019-05-08 | 株式会社大貴 | 吸水処理材及びその製造方法 |
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| JP2005110700A (ja) | 2005-01-27 | 2005-04-28 | Unicharm Petcare Corp | ペット用トイレ |
| JP2011217637A (ja) * | 2010-04-06 | 2011-11-04 | Daiki:Kk | 動物用トイレ |
| JP2019187241A (ja) * | 2018-04-18 | 2019-10-31 | 株式会社大貴 | 排泄物処理材及びその製造方法 |
| JP2021093987A (ja) * | 2019-12-19 | 2021-06-24 | 株式会社大貴 | 排泄物処理材及びその製造方法 |
| JP2022013020A (ja) * | 2020-07-03 | 2022-01-18 | 株式会社大貴 | 排泄物処理材及びその製造方法 |
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Also Published As
| Publication number | Publication date |
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| EP4483711A1 (en) | 2025-01-01 |
| JP2023122655A (ja) | 2023-09-05 |
| US20240381834A1 (en) | 2024-11-21 |
| CN118475235A (zh) | 2024-08-09 |
| JP7777467B2 (ja) | 2025-11-28 |
| EP4483711A4 (en) | 2026-04-01 |
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