序号 | 专利名 | 申请号 | 申请日 | 公开(公告)号 | 公开(公告)日 | 发明人 |
---|---|---|---|---|---|---|
141 | Acrylic acid production process | US15464346 | 2017-03-21 | US10662139B2 | 2020-05-26 | Sadesh H Sookraj; Alexander Tseitlin; Konstantin A. Pokrovski; Waheed Mukaddam |
Provided herein are methods of producing acrylic acid from bPL. Such methods involve the use of a heterogeneous catalyst, such as a zeolite at vapor phase conditions. The method may use a fixed bed, moving bed or fluidized contacting zone as the reactor configurations. | ||||||
142 | Method of producing acid halide solution and method of producing monoester compound | US16069994 | 2017-01-20 | US10633323B2 | 2020-04-28 | Kanako Sanuki; Kei Sakamoto; Kumi Okuyama; Hiroki Iwaki |
Provided is a method of producing an acid halide solution that is useful in production of a polymerizable liquid-crystal compound. The method of producing an acid halide solution includes: a first step of reacting a specific dicarboxylic acid compound with a halogenating agent in a water-immiscible organic solvent in the presence of at least 1.1 equivalents and not more than 3.0 equivalents of an activator relative to the dicarboxylic acid compound to obtain a reaction liquid including a solution that contains an acid halide compound and an oily liquid that is immiscible with the solution containing the acid halide compound; and a second step of removing the oily liquid from the reaction liquid obtained in the first step to obtain a purified liquid containing the acid halide compound. | ||||||
143 | Process for preparing cyclohexanepolycarboxylic acid derivatives having a low proportion of by-products | US14045178 | 2013-10-03 | US09090553B2 | 2015-07-28 | Martin Bock; Boris Breitscheidel |
The present invention relates to a process for preparing at least one cyclohexanepolycarboxylic acid or a derivative thereof by bringing at least one corresponding benzenepolycarboxylic acid or a derivative thereof into contact with a hydrogen-comprising gas in the presence of at least one coated catalyst comprising an active metal selected from the group consisting of ruthenium, rhodium, palladium, platinum and mixes thereof, applied to a support material comprising silicon dioxide, where the pore volume of the support material is from 0.6 to 1.0 ml/g, determined by Hg porosimetry, the BET surface area is from 280 to 500 m2/g, at least 90% of the pores present have a diameter of from 6 to 12 nm, and from 40 to 70% by weight of the active metal, based on the total amount of the active metal, are present in the catalyst coating up to a penetration depth of 200 μm, wherein the contacting is carried out at a superficial velocity of not more than 50 m/h. | ||||||
144 | Process for producing hydrogenated aromatic polycarboxylic acid | US13055247 | 2009-07-21 | US08846973B2 | 2014-09-30 | Tomohiro Sugawara |
A production method of a hydrogenated product of aromatic polycarboxylic acid by the hydrogenation of aromatic ring of the aromatic polycarboxylic acid in the presence of a catalyst composed of rhodium in combination with palladium and/or platinum supported on a carbon support. By using the catalyst, the hydrogenated product of aromatic polycarboxylic acid is produced industrially advantageously in high purity and high yield. By activating the catalyst composed of rhodium in combination with palladium and/or platinum supported on the carbon support after the hydrogenation, the conversion to the hydrogenated product of aromatic polycarboxylic acid is maintained at nearly 100% even after repeatedly using the catalyst many times. Also, a hydrogenated product of aromatic polycarboxylic acid substantially free from the starting aromatic polycarboxylic acid is obtained. | ||||||
145 | Method for continuous catalytic hydrogenation | US11320409 | 2005-12-29 | US20060161017A1 | 2006-07-20 | Michael Grass; Burkhard Reeken; Axel Tuchlenski; Alfred Kaizik |
The invention relates to the preparation of alicyclic carboxylic acids or their derivatives by selective hydrogenation of the corresponding aromatic carboxylic acid (derivatives) in at least two series-connected reactors, at least one reactor being operated in loop operating mode. The catalyst volumes in the method are set in such a manner that the catalyst volume required, based on the conversion rate, is as low as possible. | ||||||
146 | Hydrogenation of benzenepolycarboxylic acids or derivatives thereof using a catalyst containing macropores | US09879456 | 2001-06-13 | US06888021B2 | 2005-05-03 | Melanie Brunner; Arnd Böttcher; Boris Breitscheidel; Klaus Halbritter; Jochem Henkelmann; Lucien Thil; Rolf Pinkos |
A process for producing plasticizers in which a phthalic acid having the CAS Nos. 111381-89-6, 111381-90-9, 111381-91-0, 68515-44-6, 68515-45-7 and 3648-20-7, the formed plasticizers and a method of increasing the plasticity of a plastic product. | ||||||
147 | Process for the preparation of cyclohexanedicarboxylic acids | US993537 | 1992-12-21 | US5286903A | 1994-02-15 | Gether Irick, Jr.; Michael Bellas; Leslie S. LaForce |
Disclosed are processes for the preparation of cyclohexanedicarboxylic acids by the non-catalytic hydrolysis or acidolysis of dialkyl cyclohexanedicarboxylate esters. The processes provide a means for converting dialkyl cyclohexanedicarboxylate esters to cyclohexanedicarboxylic acids without the co-production of solid by-products which present disposal problems. | ||||||
148 | Process for preparation of cyclohexanedicarboxylic acid | US831124 | 1992-02-04 | US5202475A | 1993-04-13 | Steven L. Cook; Gether Irick, Jr.; Crispen S. Moorehouse |
A process for preparation of 1,3- or 1,4-cyclohexanedicarboxylic acid comprising(A) preparing a solution comprised of the disodium salt of terephthalic acid or isophthalic acid and water,(B) continuously preparing the disodium salt of 1,3- or 1,4-cyclohexanedicarboxylic acid by continuously contacting the solution with hydrogen and the combination of ruthenium metal and a carbon support in a packed column,(C) preparing 1,3- or 1,4-cyclohexanedicarboxylic acid by contacting the disodium salt of 1,3- or 1,4-cyclohexanedicarboxylic acid with sulfuric acid or hydrochloric acid, and(D) recovering the 1,3- or 1,4-cyclohexanedicarboxylic acid by crystallization of the 1,3- or 1,4-cyclohexanedicarboxylic acid. | ||||||
149 | Diaminocyclohexane platinum complexes | US15643 | 1987-02-17 | US4758588A | 1988-07-19 | David B. Brown, deceased; Abdul R. Khokhar; Miles P. Hacker; John J. McCormack |
Diaminocyclohexane platinum complexes having the structural formula ##STR1## wherein: X is a monovalent anion selected from the group consisting of isoascorbate, monosaccharate, saccharate-4-lactone, shikimate, isethionate, 2-aminoethylsulfate, azetidinecarboxylate, proline, hydroxyproline, pipecolinate, cyclopropanecarboxylate, cxyclobutanecarboxylate, cyclopentanecarboxylate, cyclopentenecarboxylate, cyclohexanecarboxylate, cyclohexenecarboxylate, bicine, glycine, 2-aminoethanesulfonate, 2-chloroethanesulfonate andY is a divalent anion selected from the group consisting of iminodiacetate, isocitratelactone, furanedicarboxylate, cyclopropane-1,1-dicarboxylate, isocitratomonoethylester, N-methyliminodiacetate, N-(2-hydroxyethyl)-iminodiacetate, N-benzyliminodiacetate, N-phenyliminodiacetate, N-(2-acetamido)-iminodiacetate, cyclohexane-1,1-diacetate, trans-1,2-cyclopropanedicarboxylate, trans-1,2-cyclobutanedicarboxylate, trans-1,2-cyclopentanedicarboxylate and trans-1,2-cyclohexanedicarboxylate and their use in the treatment of tumors. | ||||||
150 | Preparation of cyclohexane dicarboxylic acids | US544725 | 1983-10-24 | US4754064A | 1988-06-28 | Lawrence D. Lillwitz |
Cyclohexane dicarboxylic acids are prepared by hydrogenating phthalic acids in presence of a rhodium catalyst wherein a portion of the product stream is isolated and recycled to the reactor. | ||||||
151 | Rust preventive agent of hydroxypolybasic acid salt type | US551728 | 1983-11-15 | US4517110A | 1985-05-14 | Hiroshi Suzuki; Yasuo Gama; Shoji Miyazaki |
A rust preventive agent comprising a salt of hydroxycarboxylic acid having a cyclohexane ring. This preventive agent has the advantages of low toxicity, safely, and low foaming, and additionally exhibits excellent rust preventive effect on various metals. | ||||||
152 | Chemical process | US31864940 | 1940-02-12 | US2326228A | 1943-08-10 | KHARASCH MORRIS S; BROWN HERBERT C |
153 | 사이클로헥산 디카르복실산의 이성화 방법 | PCT/KR2020/014713 | 2020-10-27 | WO2021112405A1 | 2021-06-10 | 이종권; 장남진; 김은정; 이선욱 |
본 발명은 사이클로헥산 디카르복실산(Cyclohexane dicarboxylic acid, CHDA)의 이성화 방법에 관한 것으로, 보다 상세하게는 촉매적 이성화 방법을 통해 시스-사이클로헥산 디카르복실산(c-CHDA)으로부터 트랜스-사이클로헥산 디카르복실산(t-CHDA)을 제조하는 방법에 관한 것이다. 구체적으로, 본 발명의 일 구현예에서는, 지르코니아를 포함하며 BET 비표면적이 50 m 2/g 이상인 이성화 촉매를 사용하여, c-CHDA를 주로 포함하는 CHDA로부터 t-CHDA를 높은 함량으로 포함하는 CHDA를 고효율, 고수율, 및 저비용으로 제조할 수 있는 방법을 제공한다. |
||||||
154 | ポリオレフィン系樹脂中での分散性に優れた脂環式ジカルボン酸の金属塩、該脂環式ジカルボン酸の金属塩の製造方法、該脂環式ジカルボン酸の金属塩を含むポリオレフィン系樹脂用の結晶核剤、該結晶核剤を含んでなる結晶核剤組成物、ポリオレフィン系樹脂組成物、並びに、ポリオレフィン系樹脂成形体 | PCT/JP2019/034513 | 2019-09-03 | WO2020054492A1 | 2020-03-19 | 岩崎 祥平; 松本 和也; 井上 光子; 篠田 佑里恵; 北川 幸緒; 内山 陽平 |
本発明は、ポリオレフィン系樹脂中での分散性に優れており、その結果、加工条件に依存することなく、ポリオレフィン系樹脂用の結晶核剤としての本質的な性能である結晶性の改善効果に非常に優れた脂環式ジカルボン酸の金属塩、該脂環式ジカルボン酸の金属塩の製造方法及び該脂環式ジカルボン酸の金属塩を含む結晶核剤、更に該結晶核剤と脂肪酸の金属塩とを含んでなるポリオレフィン系樹脂用の結晶核剤組成物、また、該結晶核剤を含むポリオレフィン系樹脂組成物、並びに、該ポリオレフィン系樹脂組成物を原料とするポリオレフィン系樹脂成形体を提供することを目的とする。 本発明は、脂環式ジカルボン酸が、アルキル置換基を有するシクロヘキサン-1,2-ジカルボン酸であり、かつ、金属塩が、カルシウム塩、ヒドロキシアルミニウム塩、二ナトリウム塩、又は、二リチウム塩である脂環式ジカルボン酸の金属塩に関する。 |
||||||
155 | 粉体状1,4-シクロヘキサンジカルボン酸 | PCT/JP2017/009141 | 2017-03-08 | WO2017154947A1 | 2017-09-14 | 井上 慎也; 石橋 義宏; 藤谷 貫剛 |
本発明は、粉体流動性が良好な高純度の1,4-シクロヘキサンジカルボン酸の粉体を提供することを目的とし、粉体の粒度分布(体積基準)が、D10が5~55μmの範囲、D50が40~200μm、D90が170~800μmの範囲であり、かつ、ゆるみ嵩密度が0.4~0.8g/cm3、固め嵩密度が0.5~1.0g/cm3、圧縮度が10~23%である、高純度の1,4-シクロヘキサンジカルボン酸の粉体を提供する。 |
||||||
156 | 脂環式カルボン酸の製造方法及び該方法に用いる触媒 | PCT/JP2012/054640 | 2012-02-24 | WO2012117976A1 | 2012-09-07 | 飯田 昭文; 渡邉 涼子; 辻本 智雄 |
芳香族カルボン酸の芳香環を水素化して脂環式カルボン酸を製造する方法であって、触媒としてルテニウムとパラジウムを含有する触媒を使用する、脂環式カルボン酸の製造方法及びルテニウムとパラジウムが担体表面上に両者を含む粒子の形態で存在しているルテニウム-パラジウム共担持触媒。比較的安価な貴金属であるルテニウムを使用し、ロジウム触媒と同等の活性及びロジウム触媒にみられる活性低下が生じない触媒を開発し、工業的にシンプルな脂環式カルボン酸の製造方法を確立した。 |
||||||
157 | ジアミン・ジカルボン酸塩水溶液とポリアミドの製造方法 | PCT/JP2011/064448 | 2011-06-23 | WO2011162350A1 | 2011-12-29 | 日戸 祐; 永原 肇 |
【課題】簡易な工程で質の高いジアミン・ジカルボン酸の塩水溶液を製造する方法及びポリアミドを製造する方法を提供することを目的とする。 【解決手段】本発明のジアミン・ジカルボン酸の塩水溶液の製造方法は、ジカルボン酸ジエステルと、ジアミンとを、混合させる工程を含み、前記ジカルボン酸ジエステルと、前記ジアミンとの混合モル比(ジアミン/ジカルボン酸ジエステル)が、1.005以上である。また、本発明のポリアミドの製造方法は、ジカルボン酸ジエステルと、ジアミンとを、混合させ、形成されたジアミン・ジカルボン酸の塩水溶液を加熱し、ジアミンとジカルボン酸との重縮合反応を行う工程を含み、前記ジカルボン酸ジエステルと、前記ジアミンとの混合モル比(ジアミン/ジカルボン酸ジエステル)が、1.005以上である。 |
||||||
158 | トランス−1,4−シクロヘキサンジカルボン酸の製造方法 | PCT/JP2002/011058 | 2002-10-24 | WO2003035597A1 | 2003-05-01 | 遠藤 浩悦; 中村 宏文; 田中 真一 |
1 A method for producing trans-1,4-cyclohexane dicarboxylic acid t-CHDA, which comprises heating a crude CHDA to a temperature of 180°C or higher and retaining the temperature thereof in a region of 180°C or higher and less than the melting point of t-CHDA, to precipitate t-CHDA formed by isomerization in a molten cis-1,4-cyclohexane dicarboxylic acid c-CHDA 2 a method for producing t-CHDA, which comprises subjecting a crude CHDA in a powdery grain form to a heat treatment at a temperature of not lower than the melting point of c-CHDA and lower than the melting point of t-CHDA, to isomerize CHDA from its cis form to trans form while retaining a powdery grain form 3 a method for producing t-CHDA, which comprises retaining the temperature of a crude CHDA in a region of not lower than the melting point of c-CHDA and lower than the melting point of t-CHDA, while allowing the crude CHDA to flow, to prepare a t-CHDA in a powdery grain form 4 a method for purifying a crude CHDA which comprises heating a crude CHDA prepared by a process comprising hydrogenating TPA or the like in an inert gas atmosphere, to remove impurities through vaporization. The above methods allow the isomerization of c-CHDA for the production of a high purity t-CHDA to be carried out with good efficiency by the use of a simple and easy procedure. | ||||||
159 | Metal salt of an alicyclic dicarboxylic acid having excellent dispersibility in polyolefin resin, production method for said metal salt of an alicyclic dicarboxylic acid, crystal nucleating agent for polyolefin resin containing said metal salt of an alicyclic dicarboxylic acid, crystal nucleating agent composition containing said crystal nucleating agent, polyolefin resin composition, and polyolefin resin molded article | US17275282 | 2019-09-03 | US11667599B2 | 2023-06-06 | Shohei Iwasaki; Kazuya Matsumoto; Mitsuko Inoue; Yurie Shinoda; Sachio Kitagawa; Yohei Uchiyama |
Provided is a metal salt of an alicyclic dicarboxylic acid with excellent dispersibility in polyolefin resins, and excellent crystallinity improving effect that is essential as a crystal nucleating agent for polyolefin resins, regardless of processing conditions. A method is also provided for producing the metal salt of an alicyclic dicarboxylic acid; a crystal nucleating agent containing the metal salt of an alicyclic dicarboxylic acid; a crystal nucleating agent composition for polyolefin resins containing the crystal nucleating agent and a fatty acid metal salt; a polyolefin resin composition containing the crystal nucleating agent; and a polyolefin resin molded article obtained using the polyolefin resin composition. Provided is a metal salt of an alicyclic dicarboxylic acid in which the alicyclic dicarboxylic acid is an alkyl substituent-containing cyclohexane-1,2-dicarboxylic acid, and the metal salt is a calcium salt, a hydroxyaluminum salt, a disodium salt, or a dilithium salt. | ||||||
160 | METAL SALT OF AN ALICYCLIC DICARBOXYLIC ACID HAVING EXCELLENT DISPERSIBILITY IN POLYOLEFIN RESIN, PRODUCTION METHOD FOR SAID METAL SALT OF AN ALICYCLIC DICARBOXYLIC ACID, CRYSTAL NUCLEATING AGENT FOR POLYOLEFIN RESIN CONTAINING SAID METAL SALT OF AN ALICYCLIC DICARBOXYLIC ACID, CRYSTAL NUCLEATING AGENT COMPOSITION CONTAINING SAID CRYSTAL NUCLEATING AGENT, POLYOLEFIN RESIN COMPOSITION, AND POLYOLEFIN RESIN MOLDED ARTICLE | US17275282 | 2019-09-03 | US20220048846A1 | 2022-02-17 | Shohei Iwasaki; Kazuya Matsumoto; Mitsuko Inoue; Yurie Shinoda; Sachio Kitagawa; Yohei Uchiyama |
Provided is a metal salt of an alicyclic dicarboxylic acid with excellent dispersibility in polyolefin resins, and excellent crystallinity improving effect that is essential as a crystal nucleating agent for polyolefin resins, regardless of processing conditions. A method is also provided for producing the metal salt of an alicyclic dicarboxylic acid; a crystal nucleating agent containing the metal salt of an alicyclic dicarboxylic acid; a crystal nucleating agent composition for polyolefin resins containing the crystal nucleating agent and a fatty acid metal salt; a polyolefin resin composition containing the crystal nucleating agent; and a polyolefin resin molded article obtained using the polyolefin resin composition. Provided is a metal salt of an alicyclic dicarboxylic acid in which the alicyclic dicarboxylic acid is an alkyl substituent-containing cyclohexane-1,2-dicarboxylic acid, and the metal salt is a calcium salt, a hydroxyaluminum salt, a disodium salt, or a dilithium salt. |