ABSORBENT MATERIAL

Robert Cheeseman, Christopher (Inventor), Mark Tyrer (Inventor), Whincup Greaves, Rosemary, Irene (Inventor), Anthony Lupo, Richard (Inventor), Savi Madan (Inventor)

Research output: Patent

Abstract

This invention relates to an absorbent composition, its manufacture and its use, particularly to the use of the composition in cat litter. The composition includes (a) a particulate inorganic mineral, (b) one or more superabsorbent polymers (SAP) dispersed between the particles of the mineral, and (c) a hydrophilic binder capable of binding the mineral and the SAP into discrete granules. The granular material produced has water absorbency characteristics comparable to that of more expensive bentonite-products. The mineral may be waste quarry fines that would otherwise have to be disposed of. Such fines are widely available, in contrast to bentonite that must be shipped from a restricted number of locations, which is environmentally damaging and associated with excessive product miles. The granules can be made by mixing the mineral and the super absorbent polymer to form a slurry, draining the water from the slurry and optionally pressing the resulting filter cake, mixing the binder with the wet filter cake and granulating the resulting composition.

Original languageEnglish
Patent numberWO2010119272
IPCA01K 1/015 A I
Priority date17/04/09
Publication statusPublished - 21 Oct 2010

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mineral
polymer
bentonite
slurry
quarry
litter
material
water
product
filter cake
pressing
particle
draining

Cite this

Cheeseman, Christopher, R., Tyrer, M., Greaves, Rosemary, Irene, W., Lupo, Richard, A., & Madan, S. (2010). IPC No. A01K 1/015 A I. ABSORBENT MATERIAL. (Patent No. WO2010119272).

ABSORBENT MATERIAL. / Cheeseman, Christopher, Robert (Inventor); Tyrer, Mark (Inventor); Greaves, Rosemary, Irene, Whincup (Inventor); Lupo, Richard, Anthony (Inventor); Madan, Savi (Inventor).

IPC No.: A01K 1/015 A I. Patent No.: WO2010119272.

Research output: Patent

Cheeseman, Christopher, R, Tyrer, M, Greaves, Rosemary, Irene, W, Lupo, Richard, A & Madan, S 2010, ABSORBENT MATERIAL, Patent No. WO2010119272, IPC No. A01K 1/015 A I.
Cheeseman, Christopher R, Tyrer M, Greaves, Rosemary, Irene W, Lupo, Richard A, Madan S, inventors. ABSORBENT MATERIAL. A01K 1/015 A I. 2010 Oct 21.
Cheeseman, Christopher, Robert (Inventor) ; Tyrer, Mark (Inventor) ; Greaves, Rosemary, Irene, Whincup (Inventor) ; Lupo, Richard, Anthony (Inventor) ; Madan, Savi (Inventor). / ABSORBENT MATERIAL. IPC No.: A01K 1/015 A I. Patent No.: WO2010119272.
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N2 - This invention relates to an absorbent composition, its manufacture and its use, particularly to the use of the composition in cat litter. The composition includes (a) a particulate inorganic mineral, (b) one or more superabsorbent polymers (SAP) dispersed between the particles of the mineral, and (c) a hydrophilic binder capable of binding the mineral and the SAP into discrete granules. The granular material produced has water absorbency characteristics comparable to that of more expensive bentonite-products. The mineral may be waste quarry fines that would otherwise have to be disposed of. Such fines are widely available, in contrast to bentonite that must be shipped from a restricted number of locations, which is environmentally damaging and associated with excessive product miles. The granules can be made by mixing the mineral and the super absorbent polymer to form a slurry, draining the water from the slurry and optionally pressing the resulting filter cake, mixing the binder with the wet filter cake and granulating the resulting composition.

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