Patent · US Active

Compositions and methods of making paper products

US9777434B2 · kind B2 · utility

0Cited by

37References

19Claims

0Family size

Assignee

KEMIRA DYJ · FI

Inventors

Scott Rosencrance · Douglasville, US
Vladimir Grigoriev · Atlanta, US
Chen Lu · Marietta, US

Key dates

Filing date	Dec 22, 2011
Grant date	Oct 3, 2017
Priority date	—
Expiry date	Dec 22, 2031

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD21H23/50
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

Paper strength systems including polyamine-polyamidoamine-epihalohydrin (PPAE) resin are disclosed. Also disclosed are methods of forming a paper including applying a strength system comprising PPAE to cellulosic fiber, as well as the resultant paper.

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