US 11,786,940 B2
Fibrous structures comprising regions having different solid additive levels
Fei Wang, Mason, OH (US); Michael Donald Suer, Colerain Township, OH (US); John Daniel Algers, Montgomery, OH (US); Cunming Song, Symmes Township, OH (US); Hailing Bao, Blue Ash, OH (US); Antonius Lambertus DeBeer, Loveland, OH (US); David John Pung, Loveland, OH (US); Steven Lee Barnholtz, West Chester, OH (US); and Paul Thomas Weisman, Cincinnati, OH (US)
Assigned to The Procter & Gamble Company, Cincinnati, OH (US)
Filed by The Procter & Gamble Company, Cincinnati, OH (US)
Filed on Jun. 6, 2022, as Appl. No. 17/832,981.
Application 17/832,981 is a continuation of application No. 16/542,402, filed on Aug. 16, 2019, granted, now 11,358,182.
Application 16/542,402 is a continuation of application No. 15/379,538, filed on Dec. 15, 2016, granted, now 10,478,865, issued on Nov. 19, 2019.
Claims priority of provisional application 62/267,448, filed on Dec. 15, 2015.
Prior Publication US 2022/0297165 A1, Sep. 22, 2022
Int. Cl. B08B 1/00 (2006.01); D21H 27/00 (2006.01); A47K 7/03 (2006.01); A47L 13/17 (2006.01)
CPC B08B 1/006 (2013.01) [A47K 7/03 (2013.01); A47L 13/17 (2013.01); D21H 27/002 (2013.01); D21H 27/004 (2013.01); D21H 27/005 (2013.01)] 24 Claims
OG exemplary drawing
 
1. A fibrous structure comprising a plurality of filaments and a plurality of solid additives present in the fibrous structure at a level of greater than 10% by weight of the fibrous structure on a dry basis, the fibrous structure further comprising:
(a) a first region, wherein the solid additives are present in the first region at a first average weight % as measured according to the TGA Test Method and wherein the first region exhibits a first micro-CT density as measured according to the Micro-CT Test Method; and
(b) a second region, wherein the solid additives are present in the second region at a second average weight % different from the first average weight % as measured according to the TGA Test Method and wherein the second region exhibits a second micro-CT density that is different from the first micro-CT density as measured according to the Micro-CT Test Method.