Patent · US Expired

Modified hydrocarbon resin composition for use in printing ink

US4169821A · kind A · utility

10Cited by

12References

12Claims

0Family size

Assignee

Hoechst GmbH · DE

Inventors

Gerhard Werner · Weinheim, DE
Hans-Jurgen Tietz · Eppstein, DE
Reinhard Wagner · Seekirchen am Wallersee, AT
Wolfgang Dathe · Niedernhausen, DE

Key dates

Filing date	Jun 24, 1977
Grant date	Oct 2, 1979
Priority date	—
Expiry date	Jun 24, 1997

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S260/38
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A composition for use as a binder in a non-aqueous printing ink which comprises a modified hydrocarbon resin containing carboxylic acid units, the carboxylic groups of which are partially esterified with a polyhydric alcohol in such an amount that the modified hydrocarbon resin product contains from 0.01 to 0.7 ester groups of polyhydric alcohol based on each acid group originally present and a process for its preparation.

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