Fibrous structure containing articles

Patent metadata

Field	Value
Publication number	US-11015296-B2
Application number	US-201916511395-A
Country	US
Kind code	B2
Filing date	Jul 15, 2019
Priority date	Oct 17, 2016
Publication date	May 25, 2021
Grant date	May 25, 2021

Abstract

Articles, such as sanitary tissue products, including fibrous structures, and more particularly articles including fibrous structures having a plurality of fibrous elements wherein the article exhibits differential cellulose content throughout the thickness of the article and methods for making same are provided.

First claim

What is claimed is:

1. An article comprising:
a. a first paper web; and
b. a second paper web;
wherein at least one of the first and second paper webs comprises at least one wet-laid fibrous structure
wherein at least one of the first and second paper webs comprises at least one meltblown fibrous structure comprising a thermoplastic polymer selected from the group consisting of: biodegradable thermoplastic polymers, compostable thermoplastic polymers, and mixtures thereof, and wherein the second paper web is associated with the first paper web in the form of a unitary structure.

2. The article according to claim 1 wherein at least one of the first and second paper webs comprises a plurality of fibers.

3. The article according to claim 2 wherein at least one of the fibers comprises a pulp fiber.

4. The article according to claim 3 wherein the pulp fiber comprises wood pulp fiber.

5. The article according to claim 4 wherein the wood pulp fiber is selected from the group consisting of: northern softwood kraft pulp fibers, southern softwood kraft pulp fibers, northern hardwood pulp fibers, tropical hardwood pulp fibers, and mixtures thereof.

6. The article according to claim 3 wherein the pulp fiber comprises trichome fiber.

7. The article according to claim 1 wherein at least one of the first and second paper webs comprises a wet-laid fibrous structure.

8. The article according to claim 1 wherein at least one of the first and second paper webs comprises an air-laid fibrous structure.

9. The article according to claim 1 wherein at least one of the first and second paper webs comprises a carded fibrous structure.

10. The article according to claim 1 wherein at least one of the first and second paper webs comprises an absorbent gel material.

11. The article according to claim 1 wherein at least one of the first and second paper webs comprises a surface having a surface pattern.

12. The article according to claim 11 wherein the surface pattern comprises one or more relatively high density regions and one or more relatively low density regions.

13. The article according to claim 11 wherein the surface pattern comprises one or more relatively high elevation regions and one or more relatively low elevation regions.

14. The article according to claim 11 wherein the surface pattern comprises one or more relatively high basis weight regions and one or more relatively low basis weight regions.

15. The article according to claim 11 wherein the surface pattern is a non-random, repeating pattern.

16. The article according to claim 11 wherein the surface pattern comprises a plurality of discrete regions dispersed throughout a continuous network.

17. The article according to claim 16 wherein at least a portion of the plurality of discrete regions exhibits a value of a common intensive property that is different from the value of the common intensive property exhibited by the continuous network.

18. The article according to claim 17 wherein the common intensive property is selected from the group consisting of: density, bulk, basis weight, and mixtures thereof.

19. The article according to claim 1 wherein the at least one meltblown fibrous structure comprises a plurality of filaments comprising the thermoplastic polymer.

20. The article according to claim 1 wherein the at least one meltblown fibrous structure forms an exterior surface of the article.

Assignees

• Procter & Gamble

Inventors

• Young Christopher Michael
• Stelljes Michael Gomer
• Suer Michael Donald
• Klawitter Timothy James
• Barnholtz Steven Lee
• Sheehan Jeffrey Glen
• Trokhan Paul Dennis

Classifications

• D21H27/38

  at least one of the sheets having a fibrous composition differing from that of other sheets · CPC title

• B31F1/16

  by elastic belts {(B31F1/18 takes precedence)} · CPC title

• D21H15/10

  Composite fibres · CPC title

• D21H21/50

  characterised by form (D21H19/66, D21H21/42, D21H27/02 take precedence) · CPC title

• D01D5/18

  by means of rotating spinnerets · CPC title