# US 10,478,865 B2 · Fibrous structures comprising regions having different solid additive levels > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,478,865 B2 - Document ID: US10478865B2 - Status: Granted - Kind: B2 - Application number: 15/379,538 - Filed: 2016-12-15 - Published: 2017-06-15 - Granted: 2019-11-19 - Earliest claimed: 2015-12-15 - Assignees: The Procter & Gamble Company - Applicants: The Procter & Gamble Company - Inventors: Fei Wang; Michael Donald Suer; John Daniel Algers; Cunming Song; Hailing Bao; Antonius Lambertus DeBeer; David John Pung; Steven Lee Barnholtz; Paul Thomas Weisman - Web page: https://patentgrep.com/patent/US10478865B2 ## CPC - B08B 1/143: {Wipes} - A47K 7/03: containing soap or other cleaning ingredients, e.g. impregnated - A47L 13/17: containing cleaning agents (A47L13/19 takes precedence {; chemical compositions C11D17/049}) - D21H 27/002: {Tissue paper; Absorbent paper (D21H21/22, D21H27/02, D21H27/20 take precedence; toilet paper A47K10/00; absorbent pads for physiological fluids A61L15/16; making on paper-making machines D21F11/00)} - D21H 27/004: {characterised by specific parameters (D21H27/008 takes precedence)} - D21H 27/005: {relating to physical or mechanical properties, e.g. tensile strength, stretch, softness} - B08B: CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL - A47K: SANITARY EQUIPMENT; ACCESSORIES THEREFOR, e.g. TOILET ACCESSORIES - A47L: DOMESTIC WASHING OR CLEANING (brushes A46B; cleaning quantities of bottles or of other hollow articles of one kind B08B9/00; laundry D06F); SUCTION CLEANERS IN GENERAL (cleaning in general B08) - D21H: PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR ## Abstract Fibrous structures containing solid additives, and more particularly, fibrous structures containing two or more regions that comprise different average weight % levels of solid additives and methods for making same are provided. ## Claims ### Claim 1 A fibrous structure comprising a plurality of filaments and a plurality of solid additives, the fibrous structure further comprising: (a) a continuous network region, wherein the solid additives are present in the continuous network region at a first average weight % as measured according to the TGA Test Method; and (b) a plurality of discrete zones, wherein the solid additives are present in one or more of the discrete zones at a second average weight % different from the first average weight % as measured according to the TGA Test Method. ### Claim 2 (depends on 1) The fibrous structure according to claim 1 wherein the discrete zones are dispersed throughout the continuous network region. ### Claim 3 (depends on 1) The fibrous structure according to claim 1 wherein the first average weight % is from about 10% to about 90% as measured according to the TGA Test Method. ### Claim 4 (depends on 1) The fibrous structure according to claim 1 wherein the second average weight % is from about 10% to about 90% as measured according to the TGA Test Method. ### Claim 5 (depends on 1) The fibrous structure according to claim 1 wherein the ratio of the first average weight % to the second average weight % is greater than 1 as measured according to the TGA Test Method. ### Claim 6 (depends on 1) The fibrous structure according to claim 1 wherein the ratio of the first average weight % to the second average weight % is less than 1 as measured according to the TGA Test Method. ### Claim 7 (depends on 1) The fibrous structure according to claim 1 wherein the continuous network region is a macroscopically monoplanar, patterned, continuous network region. ### Claim 8 (depends on 1) The fibrous structure according to claim 1 wherein the filaments are present in the fibrous structure at a level of less than 90% by weight of the fibrous structure on a dry basis. ### Claim 9 (depends on 1) The fibrous structure according to claim 1 wherein the solid additives are present in the fibrous structure at a level of greater than 10% by weight of the fibrous structure on a dry basis. ### Claim 10 (depends on 1) The fibrous structure according to claim 1 wherein the filaments and solid additives are commingled together. ### Claim 11 (depends on 1) The fibrous structure according to claim 1 wherein at least one of the filaments comprises a thermoplastic polymer. ### Claim 12 (depends on 11) The fibrous structure according to claim 11 wherein the thermoplastic polymer is selected from the group consisting of: polyolefins, polyesters, polyhydroxyalkanoates, polyhydroxybutyrates, and mixtures thereof. ### Claim 13 (depends on 1) The fibrous structure according to claim 1 wherein the solid additives comprise fibers. ### Claim 14 (depends on 1) The fibrous structure according to claim 1 wherein the continuous network region and at least one of the discrete zones exhibit a different value of at least one common micro-CT intensive property as measured according to the Micro-CT Test Method. ### Claim 15 (depends on 1) The fibrous structure according to claim 1 wherein the fibrous structure is a core component. ### Claim 16 (depends on 15) The fibrous structure according to claim 15 wherein the fibrous structure further comprises a scrim component. ### Claim 17 (depends on 16) The fibrous structure according to claim 16 wherein the scrim component comprises greater than 99% by weight of filaments. ### Claim 18 (depends on 1) The fibrous structure according to claim 1 wherein the fibrous structure comprises a liquid composition. ### Claim 19 (depends on 18) The fibrous structure according to claim 18 wherein the fibrous structure is a wet wipe. ### Claim 20 (depends on 1) The fibrous structure according to claim 1 wherein the fibrous structure is a floor cleaning pad.