BE857673Q - Procede pour isoler des diesters d'acide terephtalique ou isophtalique de haute purete - Google Patents

Procede pour isoler des diesters d'acide terephtalique ou isophtalique de haute purete

Info

Publication number: BE857673Q
Authority: BE; Belgium
Prior art keywords: high purity; isophthalic acid; acid diesters; purity terephthalic; isolating high
Prior art date: 1975-09-02

Application number

BE180073A

Other languages

English (en)

Original Assignee

Standard Oil Co

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.)

1975-09-02

Filing date

1977-08-10

Publication date

1977-12-01

1977-08-10 Application filed by Standard Oil Co filed Critical Standard Oil Co

1977-12-01 Application granted granted Critical

1977-12-01 Publication of BE857673Q publication Critical patent/BE857673Q/fr

Links

KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 title 2
-1 ISOPHTHALIC ACID DIESTERS Chemical class 0.000 title 1
QQVIHTHCMHWDBS-UHFFFAOYSA-N perisophthalic acid Natural products OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 title 1

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/76—Esters of carboxylic acids having a carboxyl group bound to a carbon atom of a six-membered aromatic ring
- C07C69/80—Phthalic acid esters
- C07C69/82—Terephthalic acid esters
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/39—Preparation of carboxylic acid esters by oxidation of groups which are precursors for the acid moiety of the ester

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

BE180073A 1975-09-02 1977-08-10 Procede pour isoler des diesters d'acide terephtalique ou isophtalique de haute purete BE857673Q (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/609,193 US4032563A (en)	1975-09-02	1975-09-02	Process for the recovery of high purity diesters of terephthalic or isophthalic acids

Publications (1)

Publication Number	Publication Date
BE857673Q true BE857673Q (fr)	1977-12-01

Family

ID=24439732

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE180073A BE857673Q (fr)	1975-09-02	1977-08-10	Procede pour isoler des diesters d'acide terephtalique ou isophtalique de haute purete

Country Status (2)

Country	Link
US (1)	US4032563A (fr)
BE (1)	BE857673Q (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4342876A (en) *	1980-12-22	1982-08-03	Bechtel International Corporation	Method for oxidation of p-xylene and method for preparing dimethylterephthalate
US6906164B2 (en) *	2000-12-07	2005-06-14	Eastman Chemical Company	Polyester process using a pipe reactor
US20080139780A1 (en) *	2006-12-07	2008-06-12	Debruin Bruce Roger	Polyester production system employing short residence time esterification
US7943094B2 (en)	2006-12-07	2011-05-17	Grupo Petrotemex, S.A. De C.V.	Polyester production system employing horizontally elongated esterification vessel
US7649109B2 (en) *	2006-12-07	2010-01-19	Eastman Chemical Company	Polyester production system employing recirculation of hot alcohol to esterification zone
US7863477B2 (en) *	2007-03-08	2011-01-04	Eastman Chemical Company	Polyester production system employing hot paste to esterification zone
US7829653B2 (en)	2007-07-12	2010-11-09	Eastman Chemical Company	Horizontal trayed reactor
US7872089B2 (en)	2007-07-12	2011-01-18	Eastman Chemical Company	Multi-level tubular reactor with internal tray
US7858730B2 (en) *	2007-07-12	2010-12-28	Eastman Chemical Company	Multi-level tubular reactor with dual headers
US7842777B2 (en)	2007-07-12	2010-11-30	Eastman Chemical Company	Sloped tubular reactor with divided flow
US7868129B2 (en)	2007-07-12	2011-01-11	Eastman Chemical Company	Sloped tubular reactor with spaced sequential trays
US7847053B2 (en) *	2007-07-12	2010-12-07	Eastman Chemical Company	Multi-level tubular reactor with oppositely extending segments
US7872090B2 (en)	2007-07-12	2011-01-18	Eastman Chemical Company	Reactor system with optimized heating and phase separation
US7868130B2 (en)	2007-07-12	2011-01-11	Eastman Chemical Company	Multi-level tubular reactor with vertically spaced segments
US9493388B2 (en) *	2008-10-31	2016-11-15	Grupo Petrotemex, S.A. De C.V.	Dicarboxylic acid production with direct fired off-gas heating

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1139827B (de) *	1961-04-15	1962-11-22	Chemische Werke Witten Gesell schaft mit beschrankter Haftung, Witten	Verfahren zur verbesserten Aufarbeitung von Terephthalsäuredimethylester und Isophthalsäuredimethylester enthaltenden Mutterlaugen.

1975
- 1975-09-02 US US05/609,193 patent/US4032563A/en not_active Expired - Lifetime
1977
- 1977-08-10 BE BE180073A patent/BE857673Q/fr not_active IP Right Cessation

Also Published As

Publication number	Publication date
US4032563A (en)	1977-06-28

Similar Documents

Publication	Publication Date	Title
FR2336370A1 (fr)	1977-07-22	Procede pour la production continue d'acide terephtalique de haute purete
BE860082A (fr)	1978-04-25	Procede de preparation d'acide terephtalique
BE818203A (fr)	1974-11-18	Procede de production d'un acide carboxylique aromatique
BE857673Q (fr)	1977-12-01	Procede pour isoler des diesters d'acide terephtalique ou isophtalique de haute purete
BE843316A (fr)	1976-10-18	Procede pour produire de l'acide terephtalique
LU79397A1 (fr)	1978-07-12	Procede pour la preparation d'esters d'acide oxalique
RO74500A (fr)	1981-01-30	Procede pour la purification d'acide terephtalatique
BE858725A (fr)	1978-03-15	Procede pour la preparation d'esters alcoyliques d'acide alpha-formylpropionique
RO72242A (fr)	1982-09-09	Procede pour la preparation d'un ester de l'acide 1-sulfonique-3-hydroxy-3-cephem-4-carboxylique
FR2322125A1 (fr)	1977-03-25	Procede de preparation d'acide terephtalique purifie
RO63662A (fr)	1978-10-15	Procede pour la preparation des esters d'acide 0-ethyle-s-n-propyle-0-dinylthionothiolphosphorique
BE846421A (fr)	1977-01-17	Procede de production d'acide terephtalique
FR2310406A1 (fr)	1976-12-03	Procede de preparation de l'acide l (+)-tartrique
BE883434A (fr)	1980-11-24	Nouveau procede de purification de l'acide ursodesoxycholique
RO63046A (fr)	1978-05-15	Procede pour la preparation des esters d'acide methacry
FR2327961A1 (fr)	1977-05-13	Procede pour l'epuration de l'acide phosphorique
BE855237A (fr)	1977-11-30	Procede pour la purification de l'acide adipique
FR2291197A1 (fr)	1976-06-11	Procede pour la purification d'acide cyanurique
FR2301507A1 (fr)	1976-09-17	Procede pour empecher le noircissement d'acide phtalique
RO69679A (fr)	1981-05-30	Procede pour la preparation des amides des esters d'acide phosphorique
BE886680A (fr)	1981-04-16	Procede de production d'acide isophtalique
GB2018252B (en)	1982-08-11	Process for the purification of terephthalic acid
RO69845A (fr)	1981-07-30	Procede pour la preparation des esters ethylenglycoliques a poids moleculaire petit d'acide terephtalique
RO69169A (fr)	1981-04-30	Procede pour la transesterification des esters d'acide thiocarbamique
BE837993A (fr)	1976-07-28	Procede de preparation d'ester d'un acide aromatique dicarboxylique

Legal Events

Date

Code

Title

Description

1994-02-28

RE

Patent lapsed

Owner name: AMOCO CORP.

Effective date: 19930831