Patent · US Expired

Ar-octahalogendiphenylether-4,4-dimethanols

US4134925A · kind A · utility

3Cited by

4References

6Claims

0Family size

Assignee

Dynamit Nobel GmbH · DE

Inventors

Egon N. Petersen · Neunkirchen, DE
Klaus Schrage · Hennef (Sieg), DE

Key dates

Filing date	Jul 27, 1976
Grant date	Jan 16, 1979
Priority date	—
Expiry date	Jul 27, 1996

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C43/295
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

Compounds of the formula: ##STR1## The compounds can be produced by reacting the corresponding 4,4'-bis-(halogenmethyl)-ar-octahalogendiphenylethers with at least 2 moles of alkali acetate or formiate in the presence of alcohol as transesterification agent and solvent. The compounds are useful as intermediates for the production of insecticides, herbicides or hydrophobizing agents.

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