Cleaning implement based on melamine formaldehyde foam comprising abrasive particles

US9023905B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9023905-B2
Application numberUS-201213404044-A
CountryUS
Kind codeB2
Filing dateFeb 24, 2012
Priority dateFeb 24, 2011
Publication dateMay 5, 2015
Grant dateMay 5, 2015

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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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Abstract

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The present invention relates to a cleaning implement based on melamine formaldehyde foams comprising, abrasive particles and to a method of cleaning a hard surface with said cleaning implement.

First claim

Opening claim text (preview).

What is claimed is: 1. A cleaning implement comprising: a first foam layer comprising a melamine formaldehyde resin foam comprising from about 0.01% to about 45% by weight of abrasive particles having an average particles diameter in the range from about 5 μm to about 3 mm and a second foam layer, wherein the % by weight are based on the total weight of abrasive particles plus melamine-formaldehyde precondensate used for foam production, wherein the first foam layer is permanently…

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Frequently asked questions

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What does patent US9023905B2 cover?
The present invention relates to a cleaning implement based on melamine formaldehyde foams comprising, abrasive particles and to a method of cleaning a hard surface with said cleaning implement.
Who is the assignee on this patent?
Pung David John, Gonzales Denis Alfred, Steinke Tobias Heinz, and 2 more
What technology area does this patent fall under?
Primary CPC classification A47L13/16. Mapped technology areas include Human Necessities.
When was this patent published?
Publication date Tue May 05 2015 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 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).