Patent · US Expired

Method for the preparation of trihydroxybenzenes

US4751333A · kind A · utility

1Cited by

4References

9Claims

0Family size

Assignee

Degussa AG · DE

Inventors

Guenter Prescher · Hanau, DE
Gebhard Ritter · Ingelheim am Rhein, DE
Holger Sauerstein · Großkrotzenburg, DE

Key dates

Filing date	Feb 26, 1987
Grant date	Jun 14, 1988
Priority date	—
Expiry date	Feb 26, 2007

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C37/60
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

Method for the conversion of resorcinol with aqueous hydrogen peroxide to obtain a mixture of 1,2,3- and 1,2,4-trihydroxybenzenes wherein the amount of water present in the initial reaction mixture is controlled to small amounts.

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