WO2022009188A2 - Litière pour chats - Google Patents

Litière pour chats Download PDF

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Publication number
WO2022009188A2
WO2022009188A2 PCT/IB2021/060412 IB2021060412W WO2022009188A2 WO 2022009188 A2 WO2022009188 A2 WO 2022009188A2 IB 2021060412 W IB2021060412 W IB 2021060412W WO 2022009188 A2 WO2022009188 A2 WO 2022009188A2
Authority
WO
WIPO (PCT)
Prior art keywords
pellets
agent
respect
total weight
weight
Prior art date
Application number
PCT/IB2021/060412
Other languages
English (en)
Spanish (es)
Other versions
WO2022009188A3 (fr
Inventor
Alvaro Alejandro AGUIRRE CADAVID
Original Assignee
Gatitud Sas
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gatitud Sas filed Critical Gatitud Sas
Priority to PCT/IB2021/060412 priority Critical patent/WO2022009188A2/fr
Publication of WO2022009188A2 publication Critical patent/WO2022009188A2/fr
Priority to CONC2022/0000703A priority patent/CO2022000703A2/es
Publication of WO2022009188A3 publication Critical patent/WO2022009188A3/fr

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Classifications

    • 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 refers to a granulated and biodegradable litter for cats, of low weight and volume and with an absorption capacity of up to three times its volume.
  • the present invention refers to the procedure for obtaining said litter for cats from raw materials from industrial use processes and/or recycling of products from the paper industry, therefore its manufacturing process has a low environmental impact and contributes to the circular economy.
  • the present invention could be framed in the pet products industry and in the industrial use and/or recycling of products from the paper industry.
  • Cat litter or cat litter is a frequently consumed product and is part of the family basket of cat owners.
  • various types of litters or litters for cats are disclosed:
  • Cipheral patent application CN103348925A describes, for example, an absorption, conglomeration and deodorization paper cat litter.
  • Cat litter comprises raw material components in percentage as follows: 65%-75% recycled paper, 3%-4% super absorbent resin, 4%-8% chitosan, 5%-10% porous calcium phosphate, 3%-6% diatomite and 5%-10% beta-cyclod extrin.
  • Cat litter is characterized in that the cat litter is prepared from the raw materials of, by weight, 35-40 parts of modified straw charcoal, 6.5-7.5 parts of carboxymethyl starch sodium, 13-15 parts of inorganic clay, 7-9 parts of paper pulp, 4-5 parts of paper fiber, 7.5-9 parts of powdered grapefruit peel, 2-4 parts of zinc oxide, 0 1-0.2 parts of potassium persulfate, 1-1.5 parts of castor oil and 45-50 parts of water.
  • US patent US6276300B1 describes a litter composition that includes paper, sawdust and zeolite molecular sieve and may additionally include sphagnum moss to provide additional absorption.
  • the composition is formed into pellets or discs having a size, soil-like consistency, and texture believed to be attractive to dogs, as well as having a high degree of absorption and odor control.
  • a first aspect of the present invention refers to a litter for cats, an absorbent granular material that is mainly used in cat litter trays.
  • Said cat litter is granulated and comprises pellets with sizes ranging from 0.4 mm to 5 mm.
  • the cat litter of the present invention is characterized in that it comprises a first plurality of pellets comprising
  • a first moisture absorber comprising cellulose in a percentage by weight of between 60% and 80% with respect to the total weight of the first plurality of pellets, wherein said moisture absorber is granulated and has a size between 0.02 mm and 1.5 mm,
  • a first binding agent in a weight percentage of between 10% and 30% with respect to the total weight of the first plurality of pellets selected from polyvinyl alcohol (PVA) or thermoplastic starch,
  • an adhesion agent in a weight percentage of between 5% and 12% with respect to the total weight of the first plurality of pellets, selected from glycerol, polyvinyl alcohol, propylene glycol or a combination thereof,
  • an agglomerating agent in a percentage by weight of between 2% and 10% with respect to the total weight of the first plurality of pellets, selected from guar gum, xanthan gum, carboxymethylcellulose, hydroxyethyl cellulose (HEC), polyvinylpyrrolidone, carboxymethyl starch of sodium or a combination thereof, to a second plurality of pe ⁇ let comprising
  • a second moisture absorber comprising cellulose in a percentage by weight of between 60% and 80% with respect to the total weight of the second plurality of pellets, where said moisture absorber is granulated and has a size of between 0.02 mm and 1.5mm,
  • a second binding agent in a weight percentage of between 10% and 30% with respect to the total weight of the second plurality of pellets selected from polyvinyl alcohol (PVA) or thermoplastic starch,
  • an antibacterial deodorizing agent in a percentage by weight of between 0.3% and 1.5% with respect to the total weight of the second plurality of pellets selected from essence of aloe vera, essence of bamboo, essence of fresh smell or a combination thereof.
  • an agent that mitigates the odor of ammonia with a weight percentage of between 0.5% and 1.5% with respect to the total weight of the second plurality of pellets selected from citric acid, gluconic acid, tartaric acid or a combination of them and • a pH regulating agent in a weight percentage of between 0.5% and 2% with respect to the total weight of the second plurality of pellets selected from sodium hydrogen carbonate, potassium dihydrogen phosphate or sodium diacetate.
  • the purpose of the "first and second moisture absorbers" of the cat litter of the present invention is to absorb moisture from cat urine or feces.
  • Said moisture absorbers are granulated and have a size between 0.02 mm and 1.5 mm.
  • the first and second moisture absorbers are in a percentage by weight of between 60% and 80% with respect to the total weight of the first and second plurality of pellets, respectively, and constitute the material cat litter base.
  • the cat litter moisture absorbent of the present invention comprises cellulose.
  • the moisture absorber comes from the recycling and/or use of products from the paper industry, contributing to the circular economy, more preferably it is paper pulp.
  • first and second binding agents in the cat litter of the present invention is to bind together the different milling residues of the absorbing agent to form the different sizes of pellets.
  • it is selected from polyvinyl alcohol (PVA) or thermoplastic starch.
  • PVA polyvinyl alcohol
  • thermoplastic starch thermoplastic starch.
  • the first and second pellets it is found in a weight percentage of between 10% and 30% with respect to the total weight of the first and second plurality of pellets, respectively.
  • the purpose of the cat litter "bonding agent" of the present invention is to adhere the moisture absorbent and binding agent.
  • the bonding agent is selected from glycerol, polyvinyl alcohol, propylene glycol, or a combination thereof.
  • the adhesion agent represents a weight percentage of between 5% and 12% with respect to the total weight of the first plurality of pellets, respectively.
  • the purpose of the "binding agent" in the cat litter of the present invention is to bind or agglomerate the cellulose of the moisture absorbent.
  • the agglomerating agent comes from seeds or microorganisms and is selected from guar gum, xanthan gum, carboxymethylcellulose, hydroxyethyl cellulose (HEC), polyvinylpyrrolidone, sodium carboxymethyl starch or a combination thereof.
  • the agglomerating agent represents a weight percentage of between 2% and 10% with respect to the total weight of the first plurality of pellets, respectively.
  • the purpose of the "antibacterial deodorizing agent" of the present invention is to normalize the pH of the cat litter of the present invention by counteracting the ammonia in cat urine and in turn counteracting the ammonia odor of cat urine.
  • the deodorizing agent of the present invention is selected from aloe vera essence, bamboo essence, fresh scent essence or a combination thereof and is in a weight percentage of between 0.3% and 1.5%. with respect to the total weight of the second plurality of pellets respectively.
  • ammonia odor mitigating agent of the present invention is to minimize the odor of ammonia present in the cat litter of the present invention by counteracting the strong odor of cat urine.
  • the agent that mitigates the odor of ammonia is found in a weight percentage of between 0.5% and 1.5% with respect to the total weight of the second plurality of pellets, respectively, and is selected from citric acid, gluconic acid, tartaric acid or a combination thereof.
  • the purpose of the "pH adjusting agent" is to normalize the pH of the cat litter of the present invention by counteracting the basic pH of cat urine ammonia and in turn counteracting the ammonia odor of cat urine.
  • the pH regulating agent is selected from sodium hydrogen carbonate, potassium dihydrogen phosphate or sodium diacetate and is in a weight percentage of between 0.5% and 2% with respect to the total weight of the second plurality of pellets respectively.
  • Another aspect of the present invention relates to the process for obtaining the cat litter of the present invention, characterized in that it comprises the following steps: a) mixing the first moisture absorber comprising cellulose with the first binding agent in a stirrer; b) forming a first plurality of pellets of sizes between 0.4 mm and 5 mm by breaking by shaking: c) mixing the product obtained in step (b) with the adhesion agent in a shaker for a period of time of at least 5 minutes; d) add the powdered binding agent to the product obtained in (c) and stir for a period of time of at least 5 minutes; e) dehydrating the product obtained in step (d) by drying; f) mixing the second moisture absorbent comprising cellulose with the second binding agent in a shaker; g) adding the deodorizing agent, the agent that mitigates the odor of ammonia and the pH regulating agent to the agitator comprising the mixture obtained in step (f) under constant speed; h) adding the binding agent to the mixture obtained in step
  • stage (e) or stage (j) is preferably carried out
  • Figure 1 shows the litter or litter for cats obtained according to the method described and its granulometry.
  • each of the components of said litter or litter is mixed in a shaker in the following order:
  • the method of preparing the cat litter or litter of the present invention consists first of establishing paper pulp derivatives as the base material.
  • Said paper pulp is finely ground, preferably it has a granulometry in a range of 0.02 mm to 1.5 mm previously.
  • the paper pulp is first mixed with a binding agent such as PVA or thermoplastic cushion with a viscosity between 700 cP and 1200 cP in a stirrer. that allows to obtain a paste, the agitator operates at a speed between 10 rpm and 30 rpm
  • This paste is then exposed to agitation to break the granules until pellets between 0.4 mm and 5 mm remain.
  • pellets are mixed in a shaker with a water-based bonding agent that can be glycerol, polyvinyl alcohol, or propylene glycol.
  • a water-based bonding agent that can be glycerol, polyvinyl alcohol, or propylene glycol.
  • the agitator operates at a speed between 40 rpm and 60 rpm.
  • the percentage of humidity in said mixture ranges between 40% and 60%.
  • the paper pulp is first mixed in a shaker with a water-based tackifier that can be glycerol, polyvinyl alcohol, or propylene glycol.
  • a water-based tackifier that can be glycerol, polyvinyl alcohol, or propylene glycol.
  • the agitator operates at a speed between 40 rpm and 60 rpm.
  • the percentage of humidity in said mixture ranges between 40% and 60%.
  • binding agent can be guar gum, xanthan gum, carboxymethyl cellulose, HEC, polyvinylpyrrolidone, sodium carboxymethyl starch and a combination thereof.
  • Said mixture is then dried at a temperature between 40°C and 50°C.
  • the deodorizing agent the agent that mitigates the odor of ammonia, such as diluted citric acid, diluted gluconic acid, diluted tartaric acid or a combination between them and the pH regulator such as sodium hydrogen carbonate, potassium dihydrogen phosphate or sodium diacetate in the stirrer.
  • the pH regulator such as sodium hydrogen carbonate, potassium dihydrogen phosphate or sodium diacetate in the stirrer.
  • Aloe vera essence, bamboo essence or fresh-smelling essence can be used as a deodorizing agent.
  • a binding agent such as PVA or thermoplastic starch with a viscosity between 700 cP and 1200 cP is added to the mixture in a stirrer that allows a paste to be obtained, the stirrer operates at a speed between 10 rpm and 30 rpm,
  • This paste is then exposed to agitation to break the granules until pellets between 0.4 mm and 5 mm remain.
  • the means of drying can be exposure to the sun, use of a convection machine at room temperature or use of an oven at a temperature between 40 °C and 60 °C for a period of time between 20 h and 24 h.
  • Figure 1 shows the litter or litter for cats obtained according to the method described and its granulometry.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Zoology (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Housing For Livestock And Birds (AREA)

Abstract

La présente invention concerne une litière pour chats, sous forme de granulés et biodégradable, de faible poids et volume et ayant une capacité d'absorption allant jusqu'à trois fois son volume. La présente invention concerne également le procédé d'obtention de la litière pour chats à partir de matières premières provenant de processus de valorisation industrielle et/ou de recyclage de produits de l'industrie du papier de sorte que son processus de fabrication a un faible impact environnemental et contribue à l'économie circulaire. Par conséquent, la présente invention pourrait être utilisée dans l'industrie des produits pour animaux de compagnie et la valorisation industrielle et/ou le recyclage de produits de l'industrie du papier.
PCT/IB2021/060412 2021-11-10 2021-11-10 Litière pour chats WO2022009188A2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/IB2021/060412 WO2022009188A2 (fr) 2021-11-10 2021-11-10 Litière pour chats
CONC2022/0000703A CO2022000703A2 (es) 2021-11-10 2022-01-26 Lecho para gatos

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2021/060412 WO2022009188A2 (fr) 2021-11-10 2021-11-10 Litière pour chats

Publications (2)

Publication Number Publication Date
WO2022009188A2 true WO2022009188A2 (fr) 2022-01-13
WO2022009188A3 WO2022009188A3 (fr) 2022-10-13

Family

ID=79553951

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2021/060412 WO2022009188A2 (fr) 2021-11-10 2021-11-10 Litière pour chats

Country Status (2)

Country Link
CO (1) CO2022000703A2 (fr)
WO (1) WO2022009188A2 (fr)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3921581A (en) * 1974-08-01 1975-11-25 Star Kist Foods Fragrant animal litter and additives therefor
US4341180A (en) * 1976-03-31 1982-07-27 James River Corporation Of Virginia Animal litter and process
US6089189A (en) * 1998-03-09 2000-07-18 Goss; G. Robert Scoopable cellulosic animal litter
US6662749B1 (en) * 2001-09-25 2003-12-16 Kadant Fibergen, Inc. Clumping cellulosic animal litter
US6745720B2 (en) * 2002-10-29 2004-06-08 Cycle Group Limited Of Delaware Clumping animal litter and method of making same
US9549533B2 (en) * 2013-11-08 2017-01-24 Green Products Company Organically based animal litter and manufacturing process
US20160256584A1 (en) * 2015-03-04 2016-09-08 Nbip, Llc Compositions and methods for the eradication of odors
CN104938344A (zh) * 2015-07-01 2015-09-30 刘永强 一种高效环保结团性猫砂

Also Published As

Publication number Publication date
WO2022009188A3 (fr) 2022-10-13
CO2022000703A2 (es) 2022-02-07

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