Patent · US Active

Process for the production of paper

US8613832B2 · kind B2 · utility

9Cited by
30References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 15, 2012
Grant dateDec 24, 2013
Priority date—
Expiry dateFeb 15, 2032

Classification

  • Technology area (CPC D)Textiles; Paper
  • CPC primaryD21H21/52
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

The present invention relates to a drainage and retention aid composition which comprises:

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