Patent · US Expired

Preparation of neopentyl glycol hydroxyprivalate granules

US6242639A · kind A · utility

0Cited by

5References

8Claims

0Family size

Assignee

BASF SE

Inventors

Hans-Jurgen Weyer · Frankenthal (Pfalz), DE
Bernd Eck · Viernheim, DE
Dieter Baumann · Greven, DE
Bernhard Maltry · Obrigheim, DE

Key dates

Filing date	Sep 9, 1997
Grant date	Jun 5, 2001
Priority date	—
Expiry date	Sep 9, 2017

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/2982
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A method for preparing neopentyl glycol hydroxypivalate granules by application of a neopentyl glycol hydroxypivalate melt (1) onto a cooling belt (6) on which the melt solidifies, wherein the melt contains at least so 3 wt % of neopentyl glycol hydroxypivalate crystals, based on the total amount of neopenlyl glycol hydroxypivalate.

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