Patent · US Active

Soft through air dried tissue

US9580872B2 · kind B2 · utility

44Cited by

105References

21Claims

0Family size

Assignee

First Quality Tissue, LLC · US

Inventors

Karthik Ramaratnam · Anderson, US
Byrd Tyler Miller, IV · Easley, US
Shane Ervin Hayes · Anderson, US
James E. Sealey, II · Belton, US

Key dates

Filing date	Jun 1, 2016
Grant date	Feb 28, 2017
Priority date	—
Expiry date	Jun 1, 2036

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.