Patent · US Active

Composition for sizing paper

US10513828B2 · kind B2 · utility

0Cited by

3References

14Claims

0Family size

Assignee

Kemira Chemie Ges.mbH · AT

Inventors

Leo Schmid · Ried-Brig, CH
Jürgen Sartori · Bezirk Krems an der Donau (Stadt), AT

Key dates

Filing date	Jun 30, 2017
Grant date	Dec 24, 2019
Priority date	—
Expiry date	Jun 30, 2037

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD21H21/24
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

A composition for sizing paper includes alkenylsuccinic anhydride (ASA) as the sizing agent and an emulsifier system of anionic emulsifiers and nonionic components, wherein the anionic emulsifiers are chosen from alkali metal salts of aliphatic carboxylic acids or aliphatic dicarboxylic acids and the nonionic components are chosen from polyethylene glycols.

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