Patent · US Expired

Finishing of neopentyl glycol

US6191320A · kind A · utility

1Cited by

2References

9Claims

0Family size

Assignee

BASF SE

Inventors

Stefan Käshammer · Schifferstadt, DE
Andreas Klein · Bonn, DE
Charles L. Smith · Conshohocken, US
Winfried Müller · Mannheim, DE

Key dates

Filing date	Mar 30, 2000
Grant date	Feb 20, 2001
Priority date	—
Expiry date	Mar 30, 2020

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C29/78
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

In a process for finishing neopentyl glycol by cooling, crystallizing and comminuting a neopentyl glycol melt and subsequent packing of the resulting neopentyl glycol particles in storage or transport containers, the melt is cooled at the commencement of cooling for at least 1/10 minutes without use of a coolant or with use of a coolant having a temperature in the range from 50 to 120.degree. C. and the product is packed at a temperature below 30.degree. C.

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