Patent · US Expired

Stabilizing pigmented lacquers with zeolites

US4220567A · kind A · utility

11Cited by

7References

6Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Friedrich Kindervater
Gunter Ulisch
Theodor Bohmann · Leverkusen, DE
Manfred Mengel · Bad Abbach, DE
Lothar Puppe · Burscheid, DE

Key dates

Filing date	May 30, 1978
Grant date	Sep 2, 1980
Priority date	—
Expiry date	May 30, 1998

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S260/33
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

A lacquer comprising an organic binder, at least one pigment or filler, and a zeolite in an amount sufficient to increase the dispersibility of the pigment or filler. Advantageously the pigment is at least one of titanium dioxide, iron oxide and mixed-phase rutile, and the binder is a polyester. Desirably the pigment is present in from about 1 to 5% by volume of the pigment plus any filler and its average particle size is from about 1 to 3 .mu.m.

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