US2023363613A1PendingUtilityA1

Sustainable scouring pads

Assignee: 3M INNOVATIVE PROPERTIES COMPANYPriority: Jan 29, 2019Filed: Jan 28, 2020Published: Nov 16, 2023
Est. expiryJan 29, 2039(~12.5 yrs left)· nominal 20-yr term from priority
A47L 13/16A47L 13/34A47L 13/10
48
PatentIndex Score
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Claims

Abstract

The present invention is a cleaning article including a filler and a wrapping at least partially surrounding the filler. At least one of the filler and the wrapping are composed of a sustainable material.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A cleaning article comprising:
 a filler; and   a wrapping at least partially surrounding the filler,   wherein at least one of the filler and the wrapping are composed of a sustainable material.   
     
     
         2 . The cleaning article of  claim 1 , wherein the sustainable material is at least one of biodegradable, partially bio-based, compostable, recyclable, and at least partially made of recycled material. 
     
     
         3 . The cleaning article of  claim 1 , wherein the wrapping is at least one of a netting, nonwoven, woven cloth, knit cloth, microfiber, perforated film, or a combination thereof. 
     
     
         4 . The cleaning article of  claim 1 , wherein the filler is a fibrous filler, a non-woven filler, and a foam. 
     
     
         5 . The cleaning article of  claim 1 , wherein the filler is one of an air-laid non-woven filler, a vertically lapped non-woven, a carded nonwoven, and a blown microfiber nonwoven. 
     
     
         6 . The cleaning article of  claim 1 , wherein the filler comprises fibers having a denier of between about 2 and about 1000. 
     
     
         7 . The cleaning article of  claim 1 , wherein the cleaning article is used for household cleaning applications or cosmetic cleaning applications. 
     
     
         8 . The cleaning article of  claim 1 , wherein the cleaning article cleans at least about 0.1 food soil panels in 5,550 cycles. 
     
     
         9 . The cleaning article of  claim 8 , wherein the cleaning article cleans at least about 1 food soil panels in 5,550 cycles. 
     
     
         10 . The cleaning article of  claim 1 , wherein the filler has an absorption rate of at least about 10 times the dry weight of the filler. 
     
     
         11 . The cleaning article of  claim 1 , wherein the filler has an absorption rate of at least about 20 times the dry weight of the filler. 
     
     
         12 . The cleaning article of  claim 1 , wherein the cleaning article has a Schiefer scratch rating of 3.5 or less. 
     
     
         13 . The cleaning article of  claim 1 , wherein the filler has a density of about 0.03 g/m3 or less. 
     
     
         14 . The cleaning article of  claim 13 , wherein the filler has a density of about 0.025 g/m3 or less. 
     
     
         15 . The cleaning article of  claim 1 , wherein the filler has a compression of about 9 Kgf or less. 
     
     
         16 . The cleaning article of  claim 15 , wherein the filler has a compression of about 5 Kgf or less. 
     
     
         17 . The cleaning article of  claim 1 , wherein both the filler and the wrapping are at least partially composed of a sustainable material.

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