Patent · US Expired

Process for the manufacture of light color terpenephenols

US4081425A · kind A · utility

4Cited by

5References

2Claims

0Family size

Assignee

Hoechst GmbH · DE

Inventors

Manfred Gscheidmeier · Gablingen, DE
Karl M. Hacker · New York, US

Key dates

Filing date	Mar 9, 1977
Grant date	Mar 28, 1978
Priority date	—
Expiry date	Mar 9, 1997

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C2602/42
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

Process for the manufacture of light color terpenephenols by reaction of terpene hydrocarbons with phenols in the presence of a heavily acidic cation exchange resin or a bleaching earth and in the presence of phenol condensation products.

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