Terephthalic Acid Esters Formation
「Terephthalic Acid Esters Formation」对应一条老挝专利公开记录，由 9449710 Canada Inc. 于 2018-09-13 提交申请，当前状态为等待形式审查。标识字段包括：申请号 P/884；DIP 编号 LAP884；主管局代码 LA；保护类型 Patent - PCT National Phase。时间线要点：公开/公告日 2026-04-24。国际分类 / IPC 标注为 C07C 67/03、C08G 63/91、C08J 11/24。发明人 / 设计人包括 Adel, ESSADDAM、Fares, ESSADDAM。代理机构 / 代理人记载为 LAO TRADEMARK AGENCY (LAO IP AGENCY)。公开摘要提示：The present disclosure relates to the formation of terephthalate esters of Formula (I) which are formed by the depolymerizationof polyethyl…。
P/884
图样
基础信息
- 类型
- 专利
- 申请号
P/884- 状态
- 等待形式审查
- 申请人
- 9449710 Canada Inc.
- 代理机构
- LAO TRADEMARK AGENCY (LAO IP AGENCY)
- 申请日期
- 2018-09-13
- 公开 / 公告日
- 2026-04-24
- 国际分类
- C07C 67/03 · C08G 63/91 · C08J 11/24
- 商品 / 服务
- —
办理流程
根据当前状态动态标注-
提交申请
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形式审查 进行中
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实质审查
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公开
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授权
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摘要
The present disclosure relates to the formation of terephthalate esters of Formula (I) which are formed by the depolymerizationof polyethylene terephthalate (PET) or poly( ethylene glycol-co-1,4-cyclohexanedimethanol terephthalate). The depolymerization process comprises contacting polyethylene terephthalate or poly(ethylene glycol-co-1,4-cyclohexanedimethanol terephthalate) with a solvent for swelling the polyester, an alcoholic solvent, and a sub-stoichiometric amount of an alkoxide. In the Formula (I) R1 and R2 are independently selected from the group consisting of hydrogen, C 1 -C 6 alkyl, C 1 -C 6 haloalkyl, C 1 -C 6 hydroxyalkyl, optionally substituted C 3 -C 8 cycloalkyl, optionally substituted (C 1 -C 6 alkyl)(C 3 -C 8 cycloalkyl), optionally substituted aryl, and optionally substituted (C 1 -C 6 alkyl)(aryl); provided that one of R 1 or R 2 is not hydrogen.
The present disclosure relates to the formation of terephthalate esters of Formula (I) which are formed by the depolymerizationof polyethylene terephthalate (PET) or poly( ethylene glycol-co-1,4-cyclohexanedimethanol terephthalate). The depolymerization process comprises contacting polyethylene terephthalate or poly(ethylene glycol-co-1,4-cyclohexanedimethanol terephthalate) with a solvent for swelling the polyester, an alcoholic solvent, and a sub-stoichiometric amount of an alkoxide. In the Formula (I) R1 and R2 are independently selected from the group consisting of hydrogen, C 1 -C 6 alkyl, C 1 -C 6 haloalkyl, C 1 -C 6 hydroxyalkyl, optionally substituted C 3 -C 8 cycloalkyl, optionally substituted (C 1 -C 6 alkyl)(C 3 -C 8 cycloalkyl), optionally substituted aryl, and optionally substituted (C 1 -C 6 alkyl)(aryl); provided that one of R 1 or R 2 is not hydrogen.
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