BR0100830A - Método de recuperação de ácido tereftálico - Google Patents
Método de recuperação de ácido tereftálicoInfo
- Publication number
- BR0100830A BR0100830A BR0100830-7A BR0100830A BR0100830A BR 0100830 A BR0100830 A BR 0100830A BR 0100830 A BR0100830 A BR 0100830A BR 0100830 A BR0100830 A BR 0100830A
- Authority
- BR
- Brazil
- Prior art keywords
- terephthalic acid
- water
- recovery method
- acid recovery
- acid
- Prior art date
Links
Classifications
-
- 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
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)
- Polyesters Or Polycarbonates (AREA)
Abstract
Patente de Invenção para "MéTODO DE RECUPERAçãO DEáCIDO TEREFTáLICO". A presente invenção se refere a ummétodo de recuperação de ácido tereftálico, a partir de materiaiscontendo poli(etileno tereftalato) (P.E.T.) em forma de garrafas,fazendo o dito material reagir, na ausência de água, com umreagente consistindo de um ou mais sais de metal de um ácidomais fraco que o ácido tereftálico, até um composto solúvel emágua ser obtido, e subseq³entemente realizar a dissolução emágua e acidificação.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00830145A EP1138663B1 (en) | 2000-02-29 | 2000-02-29 | Method for recovery of terephthalic acid from a material containing poly(ethylene terephthalates) |
Publications (2)
Publication Number | Publication Date |
---|---|
BR0100830A true BR0100830A (pt) | 2001-10-30 |
BR0100830B1 BR0100830B1 (pt) | 2011-05-17 |
Family
ID=8175208
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0100830-7A BR0100830B1 (pt) | 2000-02-29 | 2001-02-22 | método de recuperação de ácido tereftálico. |
Country Status (9)
Country | Link |
---|---|
US (1) | US6670503B2 (pt) |
EP (1) | EP1138663B1 (pt) |
AT (2) | ATE226187T1 (pt) |
BR (1) | BR0100830B1 (pt) |
CA (1) | CA2337597C (pt) |
DE (2) | DE60000606T2 (pt) |
DK (2) | DK1138663T3 (pt) |
ES (2) | ES2185550T3 (pt) |
PT (1) | PT1138663E (pt) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CZ2007469A3 (cs) * | 2007-07-13 | 2008-12-29 | Ústav chemických procesu Akademie ved CR | Zpusob chemické depolymerace odpadního polyethylentereftalátu |
US9550713B1 (en) | 2015-07-09 | 2017-01-24 | Loop Industries, Inc. | Polyethylene terephthalate depolymerization |
PL3377569T3 (pl) | 2015-11-20 | 2020-01-31 | The University Of North Carolina At Chapel Hill | Recykling chemiczny politereftalanu etylenu poprzez napromieniowywanie mikrofalami |
CN107417492A (zh) * | 2017-06-28 | 2017-12-01 | 中国科学院山西煤炭化学研究所 | 一种可控降解回收聚对苯二甲酸乙二醇酯材料的方法 |
US10252976B1 (en) | 2017-09-15 | 2019-04-09 | 9449710 Canada Inc. | Terephthalic acid esters formation |
WO2019140245A1 (en) | 2018-01-12 | 2019-07-18 | Tyton Biosciences, Llc | Methods for recycling cotton and polyester fibers from waste textiles |
UY38276A (es) | 2018-06-25 | 2019-12-31 | 9449710 Canada Inc | Formación de ésteres de ácido tereftálico |
US11248103B2 (en) | 2019-03-20 | 2022-02-15 | 9449710 Canada Inc. | Process for the depolymerization of polyethylene terephthalate (PET) |
EP3835023A1 (de) * | 2019-12-13 | 2021-06-16 | Lenzing Aktiengesellschaft | Verfahren zur verwertung von inhaltsstoffen aus mischtextilabfällen |
GB2592086B (en) * | 2020-06-17 | 2024-02-21 | Coal Products Ltd | Fibres |
KR102381508B1 (ko) * | 2021-09-28 | 2022-04-01 | 김 영 범 | 고유점도가 0.75㎗/g 이상인 고중합도의 폴리에틸렌테레프탈레이트를 이용한 테레프탈산의 제조방법 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR597751A (fr) | 1924-05-24 | 1925-11-28 | Forme pour chaussures | |
FR2672049A1 (fr) * | 1991-01-30 | 1992-07-31 | Benzaria Jacques | Procede de fabrication de terephtalate de metal alcalin ou alcalino-terreux ou de l'acide terephilique de purete elevee. |
FR2697839B1 (fr) * | 1992-11-09 | 1995-01-13 | Inst Francais Du Petrole | Procédé amélioré de récupération de téréphtalate de métal alcalin et d'alkylène glycol à partir de polytéréphtalates d'alkylènes. |
JP2825733B2 (ja) * | 1993-06-16 | 1998-11-18 | 帝人株式会社 | ナフタレンジカルボン酸ジメチルエステルとテレフタル酸ジメチルエステルとの分別回収方法 |
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 |
AUPM499394A0 (en) * | 1994-04-11 | 1994-05-05 | Petwest Pty Ltd | Improved polyethylene terephthalate decontamination |
DE19534276A1 (de) * | 1995-09-15 | 1997-03-20 | Degussa | Verfahren zur Aufarbeitung von Polyalkylenterephthalaten |
DE19629042C2 (de) * | 1996-07-19 | 1999-02-25 | Cet Umwelttechnik Entwicklungs | Verfahren zur Gewinnung von Terephthalsäure und Ethylenglykol, insbesondere aus Polyethylenterephthalat-Abfällen und Vorrichtung zur Durchführung des Verfahrens |
JP2001510488A (ja) * | 1997-12-02 | 2001-07-31 | ヘインリッヒ スムダ | ポリエチレンテレフタレート廃棄物からのテレフタル酸及びエチレングリコールの回収方法 |
-
2000
- 2000-02-29 AT AT00830145T patent/ATE226187T1/de active
- 2000-02-29 DK DK00830145T patent/DK1138663T3/da active
- 2000-02-29 PT PT00830145T patent/PT1138663E/pt unknown
- 2000-02-29 DE DE60000606T patent/DE60000606T2/de not_active Expired - Lifetime
- 2000-02-29 EP EP00830145A patent/EP1138663B1/en not_active Expired - Lifetime
- 2000-02-29 ES ES00830145T patent/ES2185550T3/es not_active Expired - Lifetime
- 2000-10-11 DK DK00830665T patent/DK1134211T3/da active
- 2000-10-11 AT AT00830665T patent/ATE229932T1/de active
- 2000-10-11 DE DE60001047T patent/DE60001047T2/de not_active Expired - Lifetime
- 2000-10-11 ES ES00830665T patent/ES2185551T3/es not_active Expired - Lifetime
-
2001
- 2001-02-21 CA CA2337597A patent/CA2337597C/en not_active Expired - Fee Related
- 2001-02-21 US US09/792,567 patent/US6670503B2/en not_active Expired - Fee Related
- 2001-02-22 BR BRPI0100830-7A patent/BR0100830B1/pt not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
ES2185550T3 (es) | 2003-05-01 |
DK1134211T3 (da) | 2003-02-24 |
ATE229932T1 (de) | 2003-01-15 |
DE60000606D1 (de) | 2002-11-21 |
BR0100830B1 (pt) | 2011-05-17 |
DE60000606T2 (de) | 2003-08-14 |
CA2337597A1 (en) | 2001-08-29 |
US20010023303A1 (en) | 2001-09-20 |
DK1138663T3 (da) | 2003-02-17 |
EP1138663A1 (en) | 2001-10-04 |
DE60001047T2 (de) | 2003-10-09 |
CA2337597C (en) | 2010-04-06 |
EP1138663B1 (en) | 2002-10-16 |
ES2185551T3 (es) | 2003-05-01 |
PT1138663E (pt) | 2003-03-31 |
DE60001047D1 (de) | 2003-01-30 |
ATE226187T1 (de) | 2002-11-15 |
US6670503B2 (en) | 2003-12-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B06A | Patent application procedure suspended [chapter 6.1 patent gazette] | ||
B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |
Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 17/05/2011, OBSERVADAS AS CONDICOES LEGAIS. |
|
B21F | Lapse acc. art. 78, item iv - on non-payment of the annual fees in time |
Free format text: REFERENTE A 13A ANUIDADE. |
|
B24J | Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12) |
Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2246 DE 21-01-2014 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013. |