Patent · US Active

Softener composition

US11492760B2 · kind B2 · utility

0Cited by

6References

17Claims

0Family size

Assignee

KEMIRA OYJ · FI

Inventors

Chen Lu · Marietta, US
Clayton Campbell · Easton, US
Jenna Sue Rabideau · Rydal, US

Key dates

Filing date	Jan 20, 2020
Grant date	Nov 8, 2022
Priority date	—
Expiry date	Apr 11, 2041

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD21H27/002
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

A softener composition for use in the manufacture of paper includes a softener and an acidic material, wherein the softener composition has a relative acidity (RA) value of more than 0.05.

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