Patent · US Expired

Acid-modified, aromatic hydrocarbon resins and method for their production

US4539388A · kind A · utility

1Cited by

2References

15Claims

0Family size

Assignee

Rutgerswerke Aktiengesellschaft · DE

Inventors

Wolfgang Luecke · Oberhausen, DE
Herbert Beneke · Castrop-Rauxel, DE
Bodo Friedrich · Duisburg, DE

Key dates

Filing date	Jun 27, 1984
Grant date	Sep 3, 1985
Priority date	—
Expiry date	Jun 27, 2004

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08F12/00
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Aromatic hydrocarbon resins are disclosed prepared from aromatic, unsaturated hydrocarbons and a melted aromatic carboxylic acid polymerized in the presence of a Friedel-Crafts catalyst. The resin may be used in printing inks, for paper sizing, for coatings and other applications where natural resins have been used.

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