Patent · US Active

Substituted catechol polymeric dispersants

US11613597B2 · kind B2 · utility

0Cited by

6References

24Claims

0Family size

Assignee

RHODIA OPERATIONS · FR

Inventors

Eugene J. Anderson · Marlton, US
Nemesio Martinez-Castro · Bristol, US
Lichang Zhou · Lawrenceville, US

Key dates

Filing date	Aug 30, 2019
Grant date	Mar 28, 2023
Priority date	—
Expiry date	Aug 30, 2039

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L71/12
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Disclosed are novel substituted catechol polymeric dispersants and related method of preparing. Also disclosed are methods of dispersing at least one pigment comprising the following steps: contacting an aqueous solution containing at least one pigment with the polymeric dispersant copolymers as described herein.

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