Low dust animal litter
US11058091B2 · kind B2 · utility
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8Claims
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Assignee
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Key dates
| Filing date | Jan 23, 2017 |
| Grant date | Jul 13, 2021 |
| Priority date | — |
| Expiry date | Aug 16, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J20/3272
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Provided is a carrier material and its use in animal litter, where the carrier material exhibits reduced dust formation during handling. The carrier material comprises: bentonite clay; and a dust suppression agent coated on the bentonite clay, wherein the dust suppression agent is one or more alkoxylate materials of formula (I): R—O-(AO)2—H, wherein R is H, aryl (e.g., phenyl), or linear or branched C4-C24 alkyl; AO at each occurrence is independently ethyleneoxy, propyleneoxy, butyleneoxy, or random or block mixtures thereof; and z represents average number of moles of AO and ranges from 1 to 80.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.