Water absorption treatment material and method for manufacturing the same

US11278868B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-11278868-B2
Application numberUS-201815896858-A
CountryUS
Kind codeB2
Filing dateFeb 14, 2018
Priority dateNov 19, 2015
Publication dateMar 22, 2022
Grant dateMar 22, 2022

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

A water absorption treatment material includes a core portion and a coating portion. The core portion is approximately circular column-shaped and has a side surface, a first bottom surface, and a second bottom surface. The coating portion is provided so as to cover the core portion. A region of 80% or more of the side surface of the core portion is covered by the coating portion. A region of 80% or more of the first bottom surface of the core portion is exposed without being covered by the coating portion.

First claim

Opening claim text (preview).

The invention claimed is: 1. A water absorption treatment material comprising: a circular column-shaped core portion that is water absorbent and has a side surface and first and second bottom surfaces; and a coating portion that covers the core portion, wherein: an entirety of the side surface of the core portion is covered by the coating portion, and an entirety of the first bottom surface of the core portion is exposed without being covered by the coating portion. 2. The water absorption treatment material according to claim 1 , wherein a region of 80% or more of the second bottom surface of the core portion is exposed without being covered by the coating portion. 3. The water absorption treatment material according to claim 1 , wherein a boundary between the side surface and the second bottom surface is covered by the coating portion.

Assignees

Inventors

Classifications

  • Polymers obtained by reactions involving only carbon to carbon unsaturated bonds · CPC title

  • Organic carriers, supports or substrates · CPC title

  • using composite sorbents, e.g. coated, impregnated, multi-layered · CPC title

  • Characterised by the shape of the carrier, the coating or the obtained coated product · CPC title

  • Residues derived from used synthetic products, e.g. rubber from used tyres · CPC title

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Frequently asked questions

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What does patent US11278868B2 cover?
A water absorption treatment material includes a core portion and a coating portion. The core portion is approximately circular column-shaped and has a side surface, a first bottom surface, and a second bottom surface. The coating portion is provided so as to cover the core portion. A region of 80% or more of the side surface of the core portion is covered by the coating portion. A region of 80…
Who is the assignee on this patent?
Daiki Kk
What technology area does this patent fall under?
Primary CPC classification B01J20/28042. Mapped technology areas include Operations & Transport.
When was this patent published?
Publication date Tue Mar 22 2022 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 1 related publication on this page (citations in our corpus or others sharing the same primary CPC).