Patent · US Expired

Paper finishing aid

US6090871A · kind A · utility

11Cited by
16References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 5, 1996
Grant dateJul 18, 2000
Priority date
Expiry dateNov 5, 2016

Classification

  • Technology area (CPC D)Textiles; Paper
  • CPC primaryD21H17/57
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

This invention relates to compositions comprising a polyisocyanate having ionic groups or polyether groups and at least one member selected from the group consisting of a naturally occurring polymer, a polysiloxane graft copolymer, a water-dilutable synthetic polymer and a cationic polymer or a naturally occurring polymer and at least one member selected from the group consisting of a polysiloxane graft copolymer, a water-dilutable synthetic polymer and a cationic polymer.

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