| US 7,579,062 B2 | ||
| Hydroxyl polymer web structures comprising a tuft | ||
| David William Cabell, Cincinnati, Ohio (US) | ||
| Assigned to The Procter & Gamble Company, Cincinnati, Ohio (US) | ||
| Filed on May 16, 2005, as Appl. No. 11/129,877. | ||
| Claims priority of provisional application 60/581648, filed on Jun. 21, 2004. | ||
| Prior Publication US 2005/0281978 A1, Dec. 22, 2005 | ||
| Int. Cl. B32B 3/02 (2006.01); B32B 3/10 (2006.01); B32B 5/26 (2006.01) | ||
| U.S. Cl. 428—97 [428/92; 428/132; 428/133; 428/134; 428/136; 442/381; 442/389; 442/391; 442/414] | 21 Claims |
| 1. A sanitary tissue product comprising a web structure comprising a tuft that defines an open void area tunnel, wherein the web structure comprises a first fiber comprising a crosslinked, hydroxyl polymer selected from the group consisting of starch, starch derivatives and mixtures thereof and wherein the tuft comprises the first fiber and wherein the web structure further comprises a second fiber having a chemically different composition relative to the first fiber comprising the crosslinked, hydroxyl polymer wherein the sanitary tissue product further comprises an additional ply of a web structure such that the tuft protrudes at least into the additional ply. |