Patent · US Active

Hyperbranched phosphoric acid esters

US10023690B2 · kind B2 · utility

0Cited by

5References

13Claims

0Family size

Assignee

BASF SE

Inventors

Anna Maria Mueller-Cristadoro · Ludwigshafen am Rhein, DE
Frank Oliver Heinrich Pirrung · Ludwigshafen am Rhein, DE

Key dates

Filing date	Sep 4, 2013
Grant date	Jul 17, 2018
Priority date	—
Expiry date	Feb 8, 2034

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G2650/52
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

The present invention is directed to a process for preparing hyperbranched phosphoric acid esters as well as a hyper-branched phosphoric acid ester, its use for dispersing solid substances and in the production of water- and/or solvent-based coatings and paints, printing inks and/or plastics such as unsaturated polyesters, PVC or plastisols and a pigment dispersion comprising the at least one hyperbranched phosphoric acid ester or salt thereof and its use as a component in paints or lacquers.

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