Patent · US Active

Process for the purification of 1-(4-chlorophenyl)pyrazol-3-ol

US10538493B2 · kind B2 · utility

0Cited by

3References

7Claims

0Family size

Assignee

BASF SE

Inventors

Volker Maywald · Ludwigshafen, DE
Roland Goetz · Ludwigshafen, DE
Daniel Saelinger · Ludwigshafen, DE
Timo Frassetto · Mannheim, DE
Stefan Gropp · Speyer, DE

Key dates

Filing date	Nov 9, 2017
Grant date	Jan 21, 2020
Priority date	—
Expiry date	Nov 9, 2037

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07B2200/13
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The present invention relates to a process to produce highly purified crystalline 1-(4-chlorophenyl)pyrazol-3-ol (I).

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