Novel Method to Produce Acrylic Acid with Acetaldehyde as the Main By-Product
本页收录老挝专利「Novel Method to Produce Acrylic Acid with Acetaldehyde as the Main By-Product」的公开登记要点，由 PTT Global Chemical Public Company Limited 于 2015-06-10 提交申请，当前状态为已注册。标识字段包括：申请号 P/566；DIP 编号 LAP566；主管局代码 LA；保护类型 Patent - PCT National Phase。时间线要点：公开/公告日 2023-06-02；授权日 2023-05-31；届满/失效参考日 2035-06-10。技术或外观分类记载为 C07C 57/065。发明人 / 设计人包括 Cenan OZMERAL、Rajesh DASARI、Ramnik SINGH、Robert, M. RIOUX、Yu NODA 等。代理机构 / 代理人记载为 Tilleke & Gibbins Lao Co., Ltd。公开摘要提示：Described herein are solid acid catalysts and the methods for catalytically preparing α,β-unsaturated carboxylic acids and/or esters thereo…。
LaoBiz.com profiles the Laos Patent “Novel Method to Produce Acrylic Acid with Acetaldehyde as the Main By-Product” from open registry fields, filed by PTT Global Chemical Public Company Limited on 2015-06-10; current status: Registered. Identifiers include application No. P/566; DIP id LAP566; protection kind Patent - PCT National Phase. Key dates: publication 2023-06-02; grant 2023-05-31; expiry reference 2035-06-10. Classification: C07C 57/065. Inventor(s)/designer(s): Cenan OZMERAL, Rajesh DASARI, Ramnik SINGH, Robert, M. RIOUX, Yu NODA. Abstract hint: Described herein are solid acid catalysts and the methods for catalytically preparing α,β-unsaturated carboxylic acids and/or esters thereo…. Use LaoBiz.com to hop between this IP record, related filings by the same applicant, and the matched company profile when present.
ສິດທິບັດ «Novel Method to Produce Acrylic Acid with Acetaldehyde as the Main By-Product» ເປັນຂໍ້ມູນຊັບສິນທາງປັນຍາເປີດເຜີຍຂອງ DIP, ຍື່ນໂດຍ PTT Global Chemical Public Company Limited ໃນວັນທີ 2015-06-10; ສະຖານະ ຈົດທະບຽນແລ້ວ. ຕົວລະບຸ: ເລກທີຄຳຮ້ອງ P/566; ລະຫັດ DIP LAP566; ປະເພດການປົກປ້ອງ Patent - PCT National Phase. ວັນທີສຳຄັນ: ວັນເຜີຍແຜ່ 2023-06-02; ວັນຈົດທະບຽນ/ອະນຸຍາດ 2023-05-31; ວັນໝົດອາຍຸ 2035-06-10. ປະເພດ/ຫ້ອງ: C07C 57/065. ນັກປະດິດ/ນັກອອກແບບ: Cenan OZMERAL, Rajesh DASARI, Ramnik SINGH, Robert, M. RIOUX, Yu NODA. ສະຫຼຸບ: Described herein are solid acid catalysts and the methods for catalytically preparing α,β-unsaturated carboxylic acids and/or esters thereo…. ໃຊ້ LaoBiz.com ເພື່ອເບິ່ງ IP ອື່ນຂອງຜູ້ຍື່ນຄົນດຽວ ຫຼື ໜ້າວິສາຫະກິດທີ່ກ່ຽວຂ້ອງ.
P/566
图样
基础信息
- 类型
- 专利
- 申请号
P/566- 状态
- 已注册
- 申请人
- PTT Global Chemical Public Company Limited
- 代理机构
- Tilleke & Gibbins Lao Co., Ltd
- 申请日期
- 2015-06-10
- 注册号
P/566- 公开/公告日
- 2023-06-02
- 注册/授权日
- 2023-05-31
- 届满日
- 2035-06-10
- 国际分类
- C07C 57/065
- 商品 / 服务
- —
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摘要
Described herein are solid acid catalysts and the methods for catalytically preparing α,β-unsaturated carboxylic acids and/or esters thereof. In one aspect, a zeolite catalyst may be used. The catalyst may, in certain embodiments, be modified to improve the selectivity and/or conversion of a reaction. For instance, a catalyst may be modified by ion exchange to achieve a desirable acidity profile in order to achieve high level of conversion of reactants and selectivity for desirable products of the catalytic reaction. In another aspect, a variety of feed stocks (e.g., starting compositions) may be used including an α-hydroxycarboxylic acid, an α-hydroxycarboxylic acid ester, a β-hydroxycarboxylic acid, a β-hydroxycarboxylic acid ester, cyclic esters thereof (e.g., lactide), and combinations thereof.
Described herein are solid acid catalysts and the methods for catalytically preparing α,β-unsaturated carboxylic acids and/or esters thereof. In one aspect, a zeolite catalyst may be used. The catalyst may, in certain embodiments, be modified to improve the selectivity and/or conversion of a reaction. For instance, a catalyst may be modified by ion exchange to achieve a desirable acidity profile in order to achieve high level of conversion of reactants and selectivity for desirable products of the catalytic reaction. In another aspect, a variety of feed stocks (e.g., starting compositions) may be used including an α-hydroxycarboxylic acid, an α-hydroxycarboxylic acid ester, a β-hydroxycarboxylic acid, a β-hydroxycarboxylic acid ester, cyclic esters thereof (e.g., lactide), and combinations thereof.
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