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1. (WO2017110506) METHOD FOR PRODUCING (METH)ACRYLIC ACID
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/2017/110506 International Application No.: PCT/JP2016/086582
Publication Date: 29.06.2017 International Filing Date: 08.12.2016
IPC:
C07C 51/48 (2006.01) ,C07C 51/44 (2006.01) ,C07C 57/07 (2006.01)
C CHEMISTRY; METALLURGY
07
ORGANIC CHEMISTRY
C
ACYCLIC OR CARBOCYCLIC COMPOUNDS
51
Preparation of carboxylic acids or their salts, halides, or anhydrides
42
Separation; Purification; Stabilisation; Use of additives
48
by liquid-liquid treatment
C CHEMISTRY; METALLURGY
07
ORGANIC CHEMISTRY
C
ACYCLIC OR CARBOCYCLIC COMPOUNDS
51
Preparation of carboxylic acids or their salts, halides, or anhydrides
42
Separation; Purification; Stabilisation; Use of additives
43
by change of the physical state, e.g. crystallisation
44
by distillation
C CHEMISTRY; METALLURGY
07
ORGANIC CHEMISTRY
C
ACYCLIC OR CARBOCYCLIC COMPOUNDS
57
Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms
02
with only carbon-to-carbon double bonds as unsaturation
03
Monocarboxylic acids
04
Acrylic acid; Methacrylic acid
07
Separation; Purification; Stabilisation; Use of additives
Applicants:
三菱ケミカル株式会社 MITSUBISHI CHEMICAL CORPORATION [JP/JP]; 東京都千代田区丸の内一丁目1番1号 1-1, Marunouchi 1-chome, Chiyoda-ku, Tokyo 1008251, JP
Inventors:
兼子 大作 KANEKO, Daisaku; JP
谷口 貴紀 TANIGUCHI, Takanori; JP
Agent:
川口 嘉之 KAWAGUCHI, Yoshiyuki; JP
高田 大輔 TAKATA, Daisuke; JP
佐貫 伸一 SANUKI, Shinichi; JP
丹羽 武司 NIWA, Takeshi; JP
下田 俊明 SHIMODA, Toshiaki; JP
Priority Data:
2015-25539225.12.2015JP
2016-23272430.11.2016JP
Title (EN) METHOD FOR PRODUCING (METH)ACRYLIC ACID
(FR) PROCÉDÉ DE PRODUCTION D'ACIDE (MÉTH)ACRYLIQUE
(JA) (メタ)アクリル酸の製造方法
Abstract:
(EN) A method for producing (meth)acrylic acid, comprising specific steps. In the method, a liquid containing a discharged liquid that is discharged in at least one step among the aforementioned steps is used as a collected liquid, the collected liquid is held for 1 to 60 days, and the held liquid is fed to the extraction step.
(FR) L'invention concerne un procédé de production d'acide (méth)acrylique, qui comprend des étapes spécifiques. Dans ledit procédé, un liquide contenant un liquide déchargé qui est déchargé dans au moins une étape parmi les étapes susmentionnées est utilisé en tant que liquide collecté, le liquide recueilli est conservé pendant 1 à 60 jours, et le liquide conservé est soumis à une étape d'extraction.
(JA) 所定の工程を含む(メタ)アクリル酸の製造方法において、前記工程の少なくとも1工程から排出された排出液を含む液を回収液として、該回収液を1日~60日間保持し、該保持した回収液を該抽出工程に送液する、(メタ)アクリル酸の製造方法。
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: Japanese (JA)
Filing Language: Japanese (JA)
Also published as:
CA3009033IN201847026797CN108430965ID2018/09726TH1801003796A