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    Systems and processes for polyacrylic acid production
    2.
    发明授权
    Systems and processes for polyacrylic acid production 有权

    公开(公告)号：US10822436B2

    公开(公告)日：2020-11-03

    申请号：US16534930

    申请日：2019-08-07

    申请人： Novomer, Inc.

    发明人： Sadesh H. Sookraj

    IPC分类号： C08F20/06 ,  C07C51/377 ,  C07C51/12 ,  C07C51/14 ,  C07C51/145 ,  C07C57/04 ,  C07C59/01 ,  C08F2/01 ,  C08F2/18

    摘要： Disclosed are systems and methods for the production of polyacrylic acid and superabsorbent polymers from ethylene oxidation to form ethylene oxide. Reacting the ethylene oxide with carbon monoxide to form to beta propiolactone (BPL) or polypropiolactone (PPL), or a combination thereof. An outlet configured to provide a carbonylation stream comprising the BPL or PPL, or a combination thereof and using one or more reactors to convert BPL to acrylic acid or to convert at least some of the BPL to PPL, and then to convert PPL to acrylic acid. An outlet configured to provide a PPL stream to a second reactor tm to convert at least some of the PPL to AA or a third reactor to convert at least some of the PPL to AA. The outlet configured to provide an AA stream to a fourth reactor to convert the AA to polyacrylic acid.

    Process for synthesis of tertiary carboxylic acids and the esters thereof
    3.
    发明授权
    Process for synthesis of tertiary carboxylic acids and the esters thereof 失效
    合成叔羧酸的方法及其酯

    公开(公告)号：US6011171A

    公开(公告)日：2000-01-04

    申请号：US964319

    申请日：1997-11-04

    申请人： Qiang Xu ,  Yoshie Souma

    发明人： Qiang Xu ,  Yoshie Souma

    IPC分类号： C07C51/12 ,  C07C51/14 ,  C07C51/145 ,  C07C67/38

    CPC分类号： C07C51/12 ,  C07C51/14 ,  C07C51/145

    摘要： The present invention provides a process for synthesizing tertiary carboxylic acids or the esters thereof having one or two more carbon atoms than the raw material has, comprising reacting in a strong acid (e.g., sulfuric acid, sulfuric acid-phosphoric acid, hydrogen fluoride, fluorosulfuric acid, boron trifluoride.water complex and trifluoromethanesulfonic acid) a raw material compound (i.e., olefin, alcohol, diene, diol or saturated hydrocarbon) with carbon monoxide in the presence of a specific metal carbonyl catalyst (i.e., platinum carbonyl catalyst, palladium carbonyl catalyst and gold dicarbonyl catalyst).The metal carbonyl catalyst is formed by reacting in a strong acid at least one specific metal compounds (e.g., platinum compound such as platinum (II, IV) oxide, platinum (II, IV) hydroxide, a platinum powder, etc.; palladium compound such as palladium (II, III, IV) oxide, palladium (II) hydroxide, palladium (II) sulfate, palladium (II) carboxylate, a palladium powder, etc.; and gold compound such as gold (I, III) oxide, gold (I, III) hydroxide, a gold powder, etc.) with carbon monoxide.

    摘要翻译： 本发明提供了一种合成叔羧酸或其具有比原料具有一个或两个以上碳原子的酯的方法，包括在强酸（例如硫酸，硫酸 - 磷酸，氟化氢，氟硫酸） 酸，三氟化硼，水络合物和三氟甲磺酸）在特定的羰基羰基催化剂（即铂羰基催化剂，羰基钯催化剂）存在下，将一种原料化合物（即烯烃，醇，二烯，二醇或饱和烃）与一氧化碳 催化剂和二羰基催化剂）。 金属羰基催化剂通过在强酸中至少一种特定的金属化合物（例如，铂化合物如氧化铂（II），氢氧化铂（II），IV），铂粉等），钯化合物 例如氧化钯（II，III，IV），氢氧化钯（II），硫酸钯（II），羧酸钯（II），钯粉等）和金化合物如氧化金（I，III） 金（I，III）氢氧化物，金粉等）与一氧化碳。

    Process for the preparation of aromatic acid
    4.
    发明授权
    Process for the preparation of aromatic acid 失效
    芳香酸的制备方法

    公开(公告)号：US4990657A

    公开(公告)日：1991-02-05

    申请号：US355852

    申请日：1989-05-19

    申请人： Norbert Bluthe ,  Robert Perron

    发明人： Norbert Bluthe ,  Robert Perron

    IPC分类号： B01J31/02 ,  B01J31/18 ,  B01J31/24 ,  C07C51/10 ,  C07C51/145

    CPC分类号： C07C51/145 ,  B01J31/0237 ,  B01J31/04 ,  B01J31/1845 ,  B01J31/2404 ,  C07C51/10 ,  B01J2231/40 ,  B01J2531/824

    摘要： A process for the preparation of an aromatic acid comprising the step of combining an aromatic halide having at least one iodine or bromine substituent with:a. a water-immiscible organic solvent,b. a palladium-based catalyst,c. a palladium-complexing agent,d. a tertiary nitrogen-containing organic base,e. water andf. carbon monoxide.The process is performed in a two-phase liquid medium and in the substantial absence of a phase transfer agent.

    摘要翻译： 一种制备芳族酸的方法，包括将具有至少一个碘或溴取代基的芳族卤化物与以下物质组合的步骤：a。 与水不混溶的有机溶剂，b。 钯基催化剂，c。 钯络合剂d。 三级含氮有机碱， 水和f。 一氧化碳。 该方法在两相液体介质中进行并且基本上不存在相转移剂。

    Process for preparing oxalic acid and esters of same
    5.
    发明授权
    Process for preparing oxalic acid and esters of same 失效
    制备草酸及其酯的方法

    公开(公告)号：US4118589A

    公开(公告)日：1978-10-03

    申请号：US649235

    申请日：1976-01-15

    申请人： Luigi Cassar ,  Andrea Gardano

    发明人： Luigi Cassar ,  Andrea Gardano

    IPC分类号： C07C69/36 ,  B01J23/00 ,  B01J27/00 ,  B01J31/00 ,  C07B61/00 ,  C07C51/145 ,  C07C51/00 ,  C07C55/06

    CPC分类号： C07C51/145

    摘要： The present invention relates to a process for preparing oxalic acid and esters of oxalic acid. More particularly, this invention relates to a catalytic process for preparing oxalic acid and esters of same by the oxidative reaction, in a liquid phase, of carbon monoxide and water or alcohols with oxygen in the presence of redox systems.The catalyst systems used in accordance with this invention comprises a redox catalyst consisting essentially of a salt of Pd (II) and salts of a metal more electropositive than Pd having at least two oxidation states and, optionally, salts of alkaline metals, and co-catalytic amounts of at least one base having the formula R.sub.3 N in which the groups R which may be like or unlike and are selected from the group consisting of hydrogen and alkyl radicals having from 1 to 10 carbon atoms.

    摘要翻译： 本发明涉及草酸和草酸酯的制备方法。 更具体地说，本发明涉及在氧化还原体系存在下，通过一氧化碳和水或醇与氧的氧化反应在液相中制备草酸及其酯的催化方法。

    Preparation of aromatic acids
    6.
    发明授权
    Preparation of aromatic acids 失效
    芳香酸的制备

    公开(公告)号：US3700729A

    公开(公告)日：1972-10-24

    申请号：US3700729D

    申请日：1965-12-06

    申请人： UNION OIL CO

    发明人： FENTON DONALD M

    IPC分类号： C07C51/145 ,  C07C63/00 ,  C07C63/06 ,  C07C63/10

    CPC分类号： C07C51/145

    摘要： An aromatic acid is prepared by reacting in the liquid phase an aromatic with carbon monoxide in the presence of a catalyst selected from the group consisting of palladium and ferric chloride and bromides and mixtures thereof and an anhydrous organic liquid inert to the above reactants and catalyst at a temperature between about 100* C. and 300* C. and at a pressure to maintain liquid phase, and then hydrolyzing the resultant carbonylated compound to said aromatic acid.

    摘要翻译： 芳族酸通过在液相中使芳族化合物与一氧化碳在选自钯和氯化铁和溴化物及其混合物的催化剂和对上述反应物和催化剂为惰性的无水有机液体的存在下反应来制备， 温度在约100℃至300℃之间并保持液相的压力，然后将所得的羰基化化合物水解成所述芳族酸。

    SYSTEMS AND PROCESSES FOR POLYACRYLIC ACID PRODUCTION
    9.
    发明申请
    SYSTEMS AND PROCESSES FOR POLYACRYLIC ACID PRODUCTION 有权

    公开(公告)号：US20210108010A1

    公开(公告)日：2021-04-15

    申请号：US17085525

    申请日：2020-10-30

    申请人： Novomer, Inc.

    发明人： Sadesh H. Sookraj

    IPC分类号： C08F20/06 ,  C07C51/377 ,  C07C51/12 ,  C07C51/14 ,  C07C51/145 ,  C07C57/04 ,  C07C59/01 ,  C08F2/01 ,  C08F2/18

    摘要： Disclosed are systems and methods for the production of polyacrylic acid and superabsorbent polymers from ethylene oxidation to form ethylene oxide. Reacting the ethylene oxide with carbon monoxide to form to beta propiolactone (BPL) or polypropiolactone (PPL), or a combination thereof. An outlet configured to provide a carbonylation stream comprising the BPL or PPL, or a combination thereof and using one or more reactors to convert BPL to acrylic acid or to convert at least some of the BPL to PPL, and then to convert PPL to acrylic acid. An outlet configured to provide a PPL stream to a second reactor tm to convert at least some of the PPL to AA or a third reactor to convert at least some of the PPL to AA. The outlet configured to provide an AA stream to a fourth reactor to convert the AA to polyacrylic acid.