SG11202012691XA - Terephthalic acid esters formation - Google Patents
Terephthalic acid esters formationInfo
- Publication number
- SG11202012691XA SG11202012691XA SG11202012691XA SG11202012691XA SG11202012691XA SG 11202012691X A SG11202012691X A SG 11202012691XA SG 11202012691X A SG11202012691X A SG 11202012691XA SG 11202012691X A SG11202012691X A SG 11202012691XA SG 11202012691X A SG11202012691X A SG 11202012691XA
- Authority
- SG
- Singapore
- Prior art keywords
- acid esters
- terephthalic acid
- esters formation
- formation
- terephthalic
- Prior art date
Links
- 230000015572 biosynthetic process Effects 0.000 title 1
- 150000003503 terephthalic acid derivatives Chemical class 0.000 title 1
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
- C07C29/68—Preparation of metal alcoholates
- C07C29/70—Preparation of metal alcoholates by converting hydroxy groups to O-metal groups
-
- 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
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/128—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by alcoholysis
- C07C29/1285—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by alcoholysis of esters of organic acids
-
- 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
- C07C29/60—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by elimination of -OH groups, e.g. by dehydration
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C31/00—Saturated compounds having hydroxy or O-metal groups bound to acyclic carbon atoms
- C07C31/18—Polyhydroxylic acyclic alcohols
- C07C31/20—Dihydroxylic alcohols
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C31/00—Saturated compounds having hydroxy or O-metal groups bound to acyclic carbon atoms
- C07C31/18—Polyhydroxylic acyclic alcohols
- C07C31/20—Dihydroxylic alcohols
- C07C31/202—Ethylene glycol
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C31/00—Saturated compounds having hydroxy or O-metal groups bound to acyclic carbon atoms
- C07C31/28—Metal alcoholates
- C07C31/30—Alkali metal or alkaline earth metal alcoholates
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/03—Preparation of carboxylic acid esters by reacting an ester group with a hydroxy group
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/30—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
- C07C67/317—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by splitting-off hydrogen or functional groups; by hydrogenolysis of functional groups
- C07C67/327—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by splitting-off hydrogen or functional groups; by hydrogenolysis of functional groups by elimination of functional groups containing oxygen only in singly bound form
-
- 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
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J11/00—Recovery or working-up of waste materials
- C08J11/04—Recovery or working-up of waste materials of polymers
- C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
- C08J11/18—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material
- C08J11/22—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material by treatment with organic oxygen-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J11/00—Recovery or working-up of waste materials
- C08J11/04—Recovery or working-up of waste materials of polymers
- C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
- C08J11/18—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material
- C08J11/22—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material by treatment with organic oxygen-containing compounds
- C08J11/24—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material by treatment with organic oxygen-containing compounds containing hydroxyl groups
-
- 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
- C07C29/132—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- 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)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Polyesters Or Polycarbonates (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201862689597P | 2018-06-25 | 2018-06-25 | |
| PCT/IB2019/000816 WO2020002999A2 (en) | 2018-06-25 | 2019-06-24 | Terephthalic acid esters formation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SG11202012691XA true SG11202012691XA (en) | 2021-01-28 |
Family
ID=68980992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SG11202012691XA SG11202012691XA (en) | 2018-06-25 | 2019-06-24 | Terephthalic acid esters formation |
Country Status (21)
| Country | Link |
|---|---|
| US (3) | US10808096B2 (en) |
| EP (1) | EP3810568A4 (en) |
| JP (2) | JP7446246B2 (en) |
| KR (1) | KR20210024100A (en) |
| CN (2) | CN112638859B (en) |
| AR (1) | AR114978A1 (en) |
| AU (1) | AU2019293885A1 (en) |
| CA (1) | CA3105155A1 (en) |
| CL (1) | CL2020003369A1 (en) |
| CO (1) | CO2021000639A2 (en) |
| EA (1) | EA202190121A1 (en) |
| IL (1) | IL279738A (en) |
| MA (2) | MA52103B1 (en) |
| MX (1) | MX2020014244A (en) |
| PE (1) | PE20210858A1 (en) |
| PH (1) | PH12020552259A1 (en) |
| SG (1) | SG11202012691XA (en) |
| TN (1) | TN2020000250A1 (en) |
| UY (1) | UY38276A (en) |
| WO (1) | WO2020002999A2 (en) |
| ZA (1) | ZA202100465B (en) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9550713B1 (en) | 2015-07-09 | 2017-01-24 | Loop Industries, Inc. | Polyethylene terephthalate depolymerization |
| US10252976B1 (en) | 2017-09-15 | 2019-04-09 | 9449710 Canada Inc. | Terephthalic acid esters formation |
| TN2020000250A1 (en) | 2018-06-25 | 2022-07-01 | 9449710 Canada Inc | Terephthalic acid esters formation |
| US11248103B2 (en) | 2019-03-20 | 2022-02-15 | 9449710 Canada Inc. | Process for the depolymerization of polyethylene terephthalate (PET) |
| US20230312864A1 (en) * | 2020-08-10 | 2023-10-05 | Auriga Polymers, Inc. | Process for purification of recovered glycol from chemical recycling of waste polyester |
| FR3116532B1 (en) | 2020-11-24 | 2022-10-28 | Recycelit | IMPROVED PROCESS FOR RECYCLING PET BY METHANOLYSIS |
| WO2023059579A1 (en) | 2021-10-06 | 2023-04-13 | Eastman Chemical Company | Production of virgin-quality pet and copolyester raw materials from polyester carpet fibers |
| WO2023193940A1 (en) | 2022-04-04 | 2023-10-12 | Evonik Operations Gmbh | Improved method for depolymerising polyethylene terephthalate |
| WO2023193941A1 (en) * | 2022-04-04 | 2023-10-12 | Evonik Operations Gmbh | Improved method for the depolymerization of polyethylene terephthalate |
| WO2023193942A1 (en) | 2022-04-04 | 2023-10-12 | Evonik Operations Gmbh | Improved process for depolymerising polyethylene terephthalate |
| WO2023194442A1 (en) | 2022-04-06 | 2023-10-12 | Recyc'elit | Method for room temperature depolymerization of terephthalic polyesters to terephthalate esters |
| FR3134392A1 (en) | 2022-04-06 | 2023-10-13 | Recyc'elit | PROCESS FOR DEPOLYMERIZATION OF PET INTO TEREPHTHALATE ESTER AND MONOETHYLENE GLYCOL AT ROOM TEMPERATURE |
| WO2024083323A1 (en) | 2022-10-19 | 2024-04-25 | Evonik Operations Gmbh | Improved method for the depolymerisation of polyethylene terephthalate |
| WO2024083324A1 (en) | 2022-10-19 | 2024-04-25 | Evonik Operations Gmbh | Improved method for the depolymerisation of polyethylene terephthalate |
| WO2024083322A1 (en) | 2022-10-19 | 2024-04-25 | Evonik Operations Gmbh | Improved method for the depolymerisation of polyethylene terephthalate |
| EP4389809A1 (en) * | 2022-12-23 | 2024-06-26 | Sipchem InnoVent SA | Apparatus and method for depolymerizing polycondensation polymers |
Family Cites Families (66)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1025297A (en) | 1909-09-02 | 1912-05-07 | Westinghouse Air Brake Co | Light and load brake apparatus. |
| US1008713A (en) | 1910-11-04 | 1911-11-14 | Chief Automobile Company | Vehicle. |
| FR1081681A (en) | 1952-08-09 | 1954-12-22 | Perfogit | Process for recovering synthetic polyester offcuts |
| GB784248A (en) | 1954-04-30 | 1957-10-09 | Du Pont | Improvements in the preparation of high quality dimethyl terephthalate |
| NL278287A (en) * | 1961-05-16 | |||
| GB1143897A (en) * | 1967-02-17 | 1969-02-26 | Metallgesellschaft Ag | A process for preparing alkali metal alcoholates and phenolates |
| US3501420A (en) | 1967-10-20 | 1970-03-17 | Eastman Kodak Co | High purity polyester depolymerization products from polyester scrap by polish hydrogenation |
| FR2335490A1 (en) | 1975-12-16 | 1977-07-15 | Rhone Poulenc Textile | Dimethyl terephthalate prepn. from polyester waste - by diolysis and methanolysis using magnesium methylate catalyst in anhydrous methanol |
| OA05495A (en) | 1975-12-16 | 1981-04-30 | Rhone Poulenc Textile | Process for obtaining DIMETHYL TEREPHTHALATE from polyester waste. |
| US4355175A (en) | 1981-04-06 | 1982-10-19 | Pusztaszeri Stephen F | Method for recovery of terephthalic acid from polyester scrap |
| US4525307A (en) | 1983-08-02 | 1985-06-25 | Joseph Ayers, Inc. | Modified aluminum tri-alkoxide compounds |
| US5045122A (en) | 1989-12-14 | 1991-09-03 | Eastman Kodak Company | Ester hydrolysis and depolymerization of polyester and polycarbonate polymers |
| US5051528A (en) | 1990-04-24 | 1991-09-24 | Eastman Kodak Company | Recovery process for ethylene glycol and dimethylterephthalate |
| US5236959A (en) | 1992-03-12 | 1993-08-17 | Hoechst Celanese Corporation | Process for recycling polyester/cotton blends |
| US5328982A (en) | 1992-11-02 | 1994-07-12 | Eastman Chemical Company | Depolymerization of substantially amorphous polyesters |
| US5386055A (en) | 1993-08-11 | 1995-01-31 | The University Of Akron | Depolymerization process |
| AUPM499394A0 (en) | 1994-04-11 | 1994-05-05 | Petwest Pty Ltd | Improved polyethylene terephthalate decontamination |
| DE69522479T2 (en) | 1995-12-30 | 2002-05-08 | Sunkyong Ind Ltd | METHOD FOR PRODUCING TEREPHTALIC ACID |
| US5668186A (en) | 1996-03-20 | 1997-09-16 | General Electric Company | Process for depolymerizing polyesters |
| FR2753973B1 (en) | 1996-06-04 | 1999-01-29 | T B I | PROCESS FOR OBTAINING POLYOLS AND POLYOLS OBTAINED ACCORDING TO THE PROCESS |
| DE19629042C2 (en) | 1996-07-19 | 1999-02-25 | Cet Umwelttechnik Entwicklungs | Process for the production of terephthalic acid and ethylene glycol, in particular from polyethylene terephthalate waste, and device for carrying out the process |
| US6410607B1 (en) | 1999-02-10 | 2002-06-25 | Eastman Chemical Company | Glycolysis process for recycling of post-consumer pet |
| CN1203037C (en) * | 1999-10-22 | 2005-05-25 | 帝人株式会社 | Method for separating and recovering dimethyl terephthalate and ethylene glycol from polyester waste |
| JP2001192492A (en) | 1999-11-01 | 2001-07-17 | Akio Kobayashi | Method for producing refined thermoplastic polyester |
| ATE362012T1 (en) | 1999-12-20 | 2007-06-15 | Advanced Plastics Technologies | HYDROXY-PHENOXYETHER POLYMERS IN PAPER PRODUCTION |
| US6951954B1 (en) | 2000-02-11 | 2005-10-04 | E.I. Du Pont De Nemours And Company | Continuous process for producing bis(3-hydroxypropyl) terephthalate |
| ES2185550T3 (en) | 2000-02-29 | 2003-05-01 | Massimo Broccatelli | METHOD FOR RECOVERING THEREFTAL ACID FROM A MATERIAL CONTAINING POLI (ETHYLENE TEREFTALATE). |
| JP2001261707A (en) | 2000-03-23 | 2001-09-26 | Okayama Prefecture | Method of depolymerizing natural rubber |
| US6380352B1 (en) | 2000-08-29 | 2002-04-30 | Eastman Chemical Company | Polyester precursor purification process |
| US6720448B2 (en) | 2000-10-11 | 2004-04-13 | Massimo Broccatelli | Method of recovering chemical species by depolymerization of poly (ethylene terephthalate) and related use |
| WO2002038276A1 (en) | 2000-11-01 | 2002-05-16 | Yash Vasant Joshi | Method for direct recycling of plastic wastes |
| MXPA04003380A (en) | 2001-10-16 | 2004-06-21 | Teijin Ltd | Method for recycling pet bottle. |
| CN1298774C (en) | 2001-11-16 | 2007-02-07 | 日立化成工业株式会社 | Method for dissolving saturated polyester, solution for decomposing saturated polyester and method for decomposition using the same |
| US6911546B2 (en) | 2002-12-26 | 2005-06-28 | International Business Machines Corporation | Catalytic depolymerization of polymers containing electrophilic linkages using nucleophilic reagents |
| JP4365592B2 (en) | 2003-01-24 | 2009-11-18 | 帝人ファイバー株式会社 | Method for recovering active ingredients from polyester waste |
| 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 |
| FI116141B (en) | 2004-01-05 | 2005-09-30 | Kemira Oyj | Depolymerisationsförfarande |
| DE602004022199D1 (en) | 2004-01-27 | 2009-09-03 | Univ Iberoamericana A C | CHEMICAL PROCESS FOR RECYCLING POLYETHYLENEPEPTALATE (PET) WASTE |
| DE112005000965T5 (en) | 2004-04-28 | 2007-03-22 | Keio University | Depolymerization process for ester bond-containing polymers in the backbone and process for preparing ester linkage polymers in the backbone of the depolymerization product |
| JP4364747B2 (en) | 2004-08-05 | 2009-11-18 | 帝人化成株式会社 | Process for obtaining aromatic dihydroxy compounds from waste aromatic polycarbonates |
| JP4575074B2 (en) | 2004-08-05 | 2010-11-04 | 帝人化成株式会社 | Process for obtaining aromatic dihydroxy compounds from waste aromatic polycarbonates |
| JP4567397B2 (en) | 2004-08-12 | 2010-10-20 | 帝人化成株式会社 | Process for obtaining aromatic dihydroxy compounds from waste aromatic polycarbonates |
| BRPI0403740A (en) | 2004-08-25 | 2006-05-02 | Luiz Alberto Jermolovicius | post-consumer poly (ethylene terephthalate) chemical recycling process and equipment for post-consumer poly (ethylene terephthalate) chemical recycling |
| CN101166705A (en) | 2005-04-20 | 2008-04-23 | 帝人化成株式会社 | Method for producing aqueous solution of alkali metal salt of aromatic dihydroxy compound from waste aromatic polycarbonate |
| WO2007066446A1 (en) | 2005-12-09 | 2007-06-14 | Kumamoto Technology And Industry Foundation | Method of depolymerizing polyester and unsaturated polyester and method of recovering polyester monomer with the depolymerization method |
| WO2007076384A2 (en) | 2005-12-29 | 2007-07-05 | Bp Corporation North America Inc. | Ethanolysis of pet to form det and oxidation thereof |
| EP1826229A1 (en) | 2006-02-27 | 2007-08-29 | Arkema France | Amorphous copolyamides comprising p-bis(aminocyclohexyl)methane and terephtalic acid |
| ES2335688T3 (en) | 2006-04-03 | 2010-03-31 | Cobarr S.R.L. | RECOVERY OF AROMATIC DICARBOXYL ACIDS FROM RESIDUAL POLYESTER RESIN IN THE PRESENCE OF A POLYAMIDE. |
| CN101484409B (en) | 2006-06-21 | 2012-09-05 | 科巴尔股份有限公司 | Recovery of aromatic dicarboxylic acids from waste polyester resin |
| WO2008007384A1 (en) | 2006-07-10 | 2008-01-17 | Sarjerao Nivrutti Sutar | Depolymerization op waste rubber and thermoplastics including pvc or pet into hydrocarbon fuels |
| US20080242751A1 (en) | 2006-12-27 | 2008-10-02 | Kurian Joseph V | Processes for manufacturing polyesters from post-consumer polyester |
| CN101628909B (en) * | 2008-07-15 | 2013-06-05 | 南通法茵克医药化工有限公司 | Method for synthesizing 1,4-dioxane-2-ketone by ethylene glycol |
| US8309618B2 (en) | 2009-07-01 | 2012-11-13 | International Business Machines Corporation | Catalytic depolymerization of polymers containing electrophilic linkages using nucleophilic reagents |
| NL2005976C2 (en) * | 2011-01-10 | 2012-07-11 | Furanix Technologies Bv | Process for the depolymerization of a furan dicarboxylate containing polyester. |
| CN102746460B (en) | 2012-06-27 | 2014-01-01 | 宁波职业技术学院 | Method for preparing cold-polymerized indene resin with high softening point and light color |
| JP2014070132A (en) | 2012-09-28 | 2014-04-21 | Teijin Ltd | Process of producing polyester raw material |
| CN104327254B (en) * | 2014-11-03 | 2016-06-29 | 东华大学 | A kind of preparation method of recycled polyester |
| US9550713B1 (en) * | 2015-07-09 | 2017-01-24 | Loop Industries, Inc. | Polyethylene terephthalate depolymerization |
| US9981902B2 (en) | 2015-10-23 | 2018-05-29 | Columbia Insurance Company | Process for production of an ester and diol from reclaimed carpet material |
| WO2017096559A1 (en) | 2015-12-09 | 2017-06-15 | Rhodia Operations | Production of xylene derivatives |
| CN105601507A (en) | 2016-01-07 | 2016-05-25 | 中国地质大学（北京） | Method for catalytically degrading polyester waste textile with sodium hydroxide at low temperature |
| KR20180092147A (en) * | 2017-02-08 | 2018-08-17 | 주식회사 에녹켐 | Method manufacturing high purity terephthaloyl chloride from wasted PET bottle |
| US10252976B1 (en) * | 2017-09-15 | 2019-04-09 | 9449710 Canada Inc. | Terephthalic acid esters formation |
| TN2020000250A1 (en) | 2018-06-25 | 2022-07-01 | 9449710 Canada Inc | Terephthalic acid esters formation |
| US11554366B2 (en) | 2019-03-20 | 2023-01-17 | 9449710 Canada Inc. | Process for recovering and reusing depolymerization catalyst |
| US11248103B2 (en) | 2019-03-20 | 2022-02-15 | 9449710 Canada Inc. | Process for the depolymerization of polyethylene terephthalate (PET) |
-
2019
- 2019-06-24 TN TNP/2020/000250A patent/TN2020000250A1/en unknown
- 2019-06-24 CN CN201980056138.4A patent/CN112638859B/en active Active
- 2019-06-24 MA MA52103A patent/MA52103B1/en unknown
- 2019-06-24 MA MA55433A patent/MA55433B1/en unknown
- 2019-06-24 KR KR1020217002441A patent/KR20210024100A/en active Search and Examination
- 2019-06-24 SG SG11202012691XA patent/SG11202012691XA/en unknown
- 2019-06-24 AR ARP190101756A patent/AR114978A1/en unknown
- 2019-06-24 WO PCT/IB2019/000816 patent/WO2020002999A2/en active Application Filing
- 2019-06-24 UY UY0001038276A patent/UY38276A/en unknown
- 2019-06-24 CN CN202311017167.4A patent/CN117326941A/en active Pending
- 2019-06-24 EP EP19827149.6A patent/EP3810568A4/en active Pending
- 2019-06-24 AU AU2019293885A patent/AU2019293885A1/en active Pending
- 2019-06-24 EA EA202190121A patent/EA202190121A1/en unknown
- 2019-06-24 JP JP2020571628A patent/JP7446246B2/en active Active
- 2019-06-24 US US16/450,807 patent/US10808096B2/en active Active
- 2019-06-24 CA CA3105155A patent/CA3105155A1/en active Pending
- 2019-06-24 PE PE2020002184A patent/PE20210858A1/en unknown
- 2019-06-24 MX MX2020014244A patent/MX2020014244A/en unknown
-
2020
- 2020-09-17 US US17/024,159 patent/US11401398B2/en active Active
- 2020-12-23 PH PH12020552259A patent/PH12020552259A1/en unknown
- 2020-12-23 CL CL2020003369A patent/CL2020003369A1/en unknown
- 2020-12-24 IL IL279738A patent/IL279738A/en unknown
-
2021
- 2021-01-22 ZA ZA2021/00465A patent/ZA202100465B/en unknown
- 2021-01-22 CO CONC2021/0000639A patent/CO2021000639A2/en unknown
-
2022
- 2022-06-10 US US17/837,801 patent/US20230125080A1/en active Pending
-
2024
- 2024-02-26 JP JP2024026879A patent/JP2024073472A/en active Pending
Also Published As
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ZA202100465B (en) | Terephthalic acid esters formation | |
| IL273250A (en) | Terephthalic acid esters formation | |
| HK1249107A1 (en) | Antiviral beta-amino acid ester phosphodiamide compounds | |
| SG10201607129TA (en) | Tripentyl esters of trimellitic acid | |
| SG11201610596PA (en) | Lipid comprising docosapentaenoic acid | |
| EP3235801A4 (en) | Carboxylic acid ester production method | |
| HK1249443A1 (en) | Depot preparation containing citric acid ester | |
| PL3183291T3 (en) | Plasticizer composition comprising polymeric dicarboxylic esters | |
| PL3250635T3 (en) | Plasticizer composition containing polymeric dicarboxylic acid esters and terephthalic acid dialkyl esters | |
| PL3356456T3 (en) | Plasticizer composition containing polymeric dicarboxylic acid esters and terephthalic acid dialkyl esters | |
| EP3177587A4 (en) | Fragrances from the esters of fatty acids | |
| PL3189098T3 (en) | Plasticier composition which contains a polymer dicarboxylic acid ester | |
| SG11201706506YA (en) | Acetic acid process | |
| SG11201706008YA (en) | Processes for producing acetic acid | |
| EP3447059A4 (en) | Silicon-containing sulfuric acid ester salt | |
| SG11201707217TA (en) | Processes for producing acetic acid | |
| EP3199529A4 (en) | Salt of dicarboxylic acid compound | |
| EP3110905A4 (en) | Quaternary fatty acid esters as corrosion inhibitors | |
| PL3346982T3 (en) | Mixtures of pelargonic acid esters. | |
| EP3298112A4 (en) | Synthetic esters derived from high stability oleic acid | |
| PT3307857T (en) | Low pour point trimethylolpropane esters | |
| SG11201802063XA (en) | Processes for producing acetic acid | |
| SG11201706006VA (en) | Processes for producing acetic acid | |
| PL3197858T3 (en) | Method for producing diesters of terephthalic acid with circulation of the reaction mixture | |
| HK1251233A1 (en) | Method for producing dicarboxylic acid compound |