DE69714614D1 - Methode zur gewinnung von terephthalsäure und äthylenglykol aus polyäthylenterephthalat-abfällen - Google Patents

Methode zur gewinnung von terephthalsäure und äthylenglykol aus polyäthylenterephthalat-abfällen

Info

Publication number: DE69714614D1
Authority: DE; Germany
Prior art keywords: terephthalic acid; ethylene glycol; production; polyethylene terephthalate; terephthalate waste
Prior art date: 1997-12-02
Legal status (The legal status 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 status listed.): Expired - Lifetime

Application number

DE69714614T

Other languages

English (en)

Other versions

DE69714614T2 (de

Inventor

Heinrich Smuda

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Individual

Original Assignee

Individual

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.)

1997-12-02

Filing date

1997-12-02

Publication date

2002-09-12

1997-12-02 Application filed by Individual filed Critical Individual

2002-09-12 Application granted granted Critical

2002-09-12 Publication of DE69714614D1 publication Critical patent/DE69714614D1/de

2003-04-10 Publication of DE69714614T2 publication Critical patent/DE69714614T2/de

2017-12-03 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/09—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrolysis
- C07C29/095—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrolysis of esters of organic acids
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/09—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid esters or lactones
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Engineering & Computer Science (AREA)
Oil, Petroleum & Natural Gas (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)

DE69714614T 1997-12-02 1997-12-02 Methode zur gewinnung von terephthalsäure und äthylenglykol aus polyäthylenterephthalat-abfällen Expired - Lifetime DE69714614T2 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
PCT/IB1997/001497 WO1999028285A1 (en)	1997-12-02	1997-12-02	Method of recovery of terephthalic acid and ethylene glycol from poly/ethylene terephthalate/wastes

Publications (2)

Publication Number	Publication Date
DE69714614D1 true DE69714614D1 (de)	2002-09-12
DE69714614T2 DE69714614T2 (de)	2003-04-10

Family

ID=11004636

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE69714614T Expired - Lifetime DE69714614T2 (de)	1997-12-02	1997-12-02	Methode zur gewinnung von terephthalsäure und äthylenglykol aus polyäthylenterephthalat-abfällen

Country Status (13)

Country	Link
US (1)	US6239310B1 (de)
EP (1)	EP0973715B1 (de)
JP (1)	JP2001510488A (de)
KR (1)	KR100488985B1 (de)
AT (1)	ATE221867T1 (de)
AU (1)	AU739274B2 (de)
CA (1)	CA2279892C (de)
DE (1)	DE69714614T2 (de)
DK (1)	DK0973715T3 (de)
ES (1)	ES2182047T3 (de)
PL (1)	PL191565B1 (de)
PT (1)	PT973715E (de)
WO (1)	WO1999028285A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
PT1138663E (pt) *	2000-02-29	2003-03-31	Massimo Broccatelli	Um metodo para a recuperacao de acido tereftalico a partir de substancias contendo poli(etileno-tereftalatos)
EP1134211B1 (de) *	2000-02-29	2002-12-18	Massimo Broccatelli	Verfahren zur Rückgewinnung von chemischen Spezies durch Depolymerisierung von Poly(ethylenterephthalat) und verwandte Verwendung
CZ2000969A3 (cs) *	2000-03-17	2001-08-15	Milan Ing. Šírek	Způsob chemické recyklace odpadního polyethylentereftalátu
FR2809727B1 (fr)	2000-05-31	2002-07-26	Galderma Res & Dev	Nouveaux composes aminothiolesters, compositions pharmaceutiques et cosmetiques les contenant et utilisations
US6720448B2 (en)	2000-10-11	2004-04-13	Massimo Broccatelli	Method of recovering chemical species by depolymerization of poly (ethylene terephthalate) and related use
KR100429385B1 (ko) *	2001-04-09	2004-04-29	한국화학연구원	폴리에틸렌 테레프탈레이트로부터 고순도 테레프탈산의제조방법
AU2003256186A1 (en) *	2003-07-07	2005-01-21	Roman Sierzant	Method and plant for the recovery of terephthalic acid and ethylene glycol from polyethylene terephthalate wastes
US7469801B2 (en)	2005-04-14	2008-12-30	Ramirez-Delgado Roberto Alfred	Automatic machine for dosing water and dental alginate
KR101130453B1 (ko)	2009-09-11	2012-04-12	삼성석유화학(주)	폐 테레프탈산으로부터 테레프탈산을 회수하는 방법
DE102018122210B4 (de)	2018-09-12	2023-06-29	Rittec Umwelttechnik Gmbh	Verfahren und Verwendung einer Vorrichtung zur Wiederaufarbeitung von Polyalkylenterephthalat enthaltenden Abfällen
DE102019135578A1 (de)	2019-12-20	2021-06-24	Rittec Umwelttechnik Gmbh	Verfahren, Vorrichtung und Verwendung zur Wiederaufarbeitung
US20230383052A1 (en) *	2021-07-19	2023-11-30	Lg Chem, Ltd.	Monomer composition for synthesizing recycled plastic, preparation method thereof, and recycled plastic, molded product, plasticizer composition using the same

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL109051C (de) *	1955-05-23	1900-01-01
US3953502A (en) *	1973-01-31	1976-04-27	Imperial Chemical Industries Limited	Cyclopentane derivatives
BR9407795A (pt) *	1993-10-14	1997-03-18	Shell Int Research	Processo para recuperar ácido dicarboxílico com impurezas reduzidas de polímero de poliéster
US5545746A (en) *	1993-11-09	1996-08-13	Institut Francais Du Petrole	Method for recovery of alkali metal or alkaline-earth metal terephthalate and of alkylene glycol from polyethylene terephthalates

1997
- 1997-12-02 JP JP53040499A patent/JP2001510488A/ja active Pending
- 1997-12-02 WO PCT/IB1997/001497 patent/WO1999028285A1/en not_active Ceased
- 1997-12-02 EP EP97912409A patent/EP0973715B1/de not_active Expired - Lifetime
- 1997-12-02 DK DK97912409T patent/DK0973715T3/da active
- 1997-12-02 ES ES97912409T patent/ES2182047T3/es not_active Expired - Lifetime
- 1997-12-02 PT PT97912409T patent/PT973715E/pt unknown
- 1997-12-02 AU AU49628/97A patent/AU739274B2/en not_active Ceased
- 1997-12-02 KR KR10-1999-7006938A patent/KR100488985B1/ko not_active Expired - Fee Related
- 1997-12-02 DE DE69714614T patent/DE69714614T2/de not_active Expired - Lifetime
- 1997-12-02 AT AT97912409T patent/ATE221867T1/de active
- 1997-12-02 CA CA002279892A patent/CA2279892C/en not_active Expired - Fee Related
- 1997-12-02 US US09/355,322 patent/US6239310B1/en not_active Expired - Fee Related
- 1997-12-02 PL PL334658A patent/PL191565B1/pl not_active IP Right Cessation

Also Published As

Publication number	Publication date
CA2279892A1 (en)	1999-06-10
AU4962897A (en)	1999-06-16
DE69714614T2 (de)	2003-04-10
KR100488985B1 (ko)	2005-05-11
EP0973715A1 (de)	2000-01-26
PT973715E (pt)	2002-12-31
DK0973715T3 (da)	2002-12-02
ES2182047T3 (es)	2003-03-01
US6239310B1 (en)	2001-05-29
KR20000070689A (ko)	2000-11-25
PL334658A1 (en)	2000-03-13
WO1999028285A1 (en)	1999-06-10
CA2279892C (en)	2008-02-12
JP2001510488A (ja)	2001-07-31
ATE221867T1 (de)	2002-08-15
AU739274B2 (en)	2001-10-11
HK1027340A1 (en)	2001-01-12
PL191565B1 (pl)	2006-06-30
EP0973715B1 (de)	2002-08-07

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Legal Events

Date	Code	Title	Description
2003-09-04	8364	No opposition during term of opposition