MX9303630A - PROCESS TO PREPARE PURIFIED 2,6-NAFTALENDICARBOXILICO ACID. - Google Patents

PROCESS TO PREPARE PURIFIED 2,6-NAFTALENDICARBOXILICO ACID.

Info

Publication number
MX9303630A
MX9303630A MX9303630A MX9303630A MX9303630A MX 9303630 A MX9303630 A MX 9303630A MX 9303630 A MX9303630 A MX 9303630A MX 9303630 A MX9303630 A MX 9303630A MX 9303630 A MX9303630 A MX 9303630A
Authority
MX
Mexico
Prior art keywords
acid
naftalendicarboxilico
naphthalenedicarboxylic acid
prepare purified
purified
Prior art date
Application number
MX9303630A
Other languages
Spanish (es)
Inventor
David L Sikkenga
Juergen K Holzhauer
Rusins Albertins
Stephen V Hoover
Original Assignee
Amoco Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US07/900,618 external-priority patent/US5256817A/en
Application filed by Amoco Corp filed Critical Amoco Corp
Publication of MX9303630A publication Critical patent/MX9303630A/en

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Se proporciona un proceso para purificar el ácido 2,6-naftalendicarboxílico, que comprende combinar el ácido 2,6-naftalendicarboxílico impuro con un solvente de purificación, calentar la mezcla resultante bajo condiciones de fase líquida a una temperatura de por lo menos aproximadamente 260°C (500°F) para formar una mezcla de producto y después recuperar de la mezcla de producto el ácido 2,6-naftalendicarboxílico purificado.A process is provided for purifying 2,6-naphthalenedicarboxylic acid, which comprises combining impure 2,6-naphthalenedicarboxylic acid with a purifying solvent, heating the resulting mixture under liquid phase conditions to a temperature of at least about 260 ° C (500 ° F) to form a product mixture and then recover the purified 2,6-naphthalenedicarboxylic acid from the product mixture.

MX9303630A 1992-06-18 1993-06-17 PROCESS TO PREPARE PURIFIED 2,6-NAFTALENDICARBOXILICO ACID. MX9303630A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US90063792A 1992-06-18 1992-06-18
US07/900,618 US5256817A (en) 1992-06-18 1992-06-18 Method for purifying a naphthalenedicarboxylic acid

Publications (1)

Publication Number Publication Date
MX9303630A true MX9303630A (en) 1994-01-31

Family

ID=27129270

Family Applications (1)

Application Number Title Priority Date Filing Date
MX9303630A MX9303630A (en) 1992-06-18 1993-06-17 PROCESS TO PREPARE PURIFIED 2,6-NAFTALENDICARBOXILICO ACID.

Country Status (2)

Country Link
MX (1) MX9303630A (en)
TW (1) TW283703B (en)

Also Published As

Publication number Publication date
TW283703B (en) 1996-08-21

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Legal Events

Date Code Title Description
FG Grant or registration
MM Annulment or lapse due to non-payment of fees