Patent · US Active

Soft through air dried tissue

US9995005B2 · kind B2 · utility

9Cited by
284References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 5, 2017
Grant dateJun 12, 2018
Priority date
Expiry dateJul 5, 2037

Classification

  • Technology area (CPC D)Textiles; Paper
  • CPC primaryD21H27/40
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

A multi-layer through air dried tissue including a first exterior layer comprised substantially of hardwood fibers, an interior layer comprised substantially of softwood fibers, and a second exterior layer comprised substantially of hardwood fibers. The interior layer includes a first wet end additive comprising an ionic surfactant and a second wet end additive comprising a non-ionic surfactant.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.