JP6207503B2 - 酢酸の回収方法 - Google Patents
酢酸の回収方法 Download PDFInfo
- Publication number
- JP6207503B2 JP6207503B2 JP2014510766A JP2014510766A JP6207503B2 JP 6207503 B2 JP6207503 B2 JP 6207503B2 JP 2014510766 A JP2014510766 A JP 2014510766A JP 2014510766 A JP2014510766 A JP 2014510766A JP 6207503 B2 JP6207503 B2 JP 6207503B2
- Authority
- JP
- Japan
- Prior art keywords
- acetic acid
- tower
- solvent
- stream
- partition
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 title claims description 206
- 238000000034 method Methods 0.000 title claims description 48
- 238000011084 recovery Methods 0.000 title description 3
- 239000002904 solvent Substances 0.000 claims description 40
- 238000000605 extraction Methods 0.000 claims description 37
- 238000009835 boiling Methods 0.000 claims description 29
- 238000005192 partition Methods 0.000 claims description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- 239000007864 aqueous solution Substances 0.000 claims description 21
- 238000004821 distillation Methods 0.000 claims description 21
- 150000001875 compounds Chemical class 0.000 claims description 18
- 230000021736 acetylation Effects 0.000 claims description 15
- 238000006640 acetylation reaction Methods 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 11
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical group CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 9
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 claims description 6
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 6
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 6
- 229920001131 Pulp (paper) Polymers 0.000 claims description 5
- BZLVMXJERCGZMT-UHFFFAOYSA-N Methyl tert-butyl ether Chemical compound COC(C)(C)C BZLVMXJERCGZMT-UHFFFAOYSA-N 0.000 claims description 4
- 150000001242 acetic acid derivatives Chemical class 0.000 claims description 3
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 claims description 2
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 claims description 2
- 150000001298 alcohols Chemical class 0.000 claims description 2
- 150000002170 ethers Chemical class 0.000 claims description 2
- JMMWKPVZQRWMSS-UHFFFAOYSA-N isopropanol acetate Natural products CC(C)OC(C)=O JMMWKPVZQRWMSS-UHFFFAOYSA-N 0.000 claims description 2
- 229940011051 isopropyl acetate Drugs 0.000 claims description 2
- GWYFCOCPABKNJV-UHFFFAOYSA-N isovaleric acid Chemical compound CC(C)CC(O)=O GWYFCOCPABKNJV-UHFFFAOYSA-N 0.000 claims description 2
- 150000002576 ketones Chemical class 0.000 claims description 2
- 229920002678 cellulose Polymers 0.000 description 12
- 239000001913 cellulose Substances 0.000 description 12
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 6
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 6
- 238000005194 fractionation Methods 0.000 description 5
- 238000000746 purification Methods 0.000 description 5
- KFSLWBXXFJQRDL-UHFFFAOYSA-N Peracetic acid Chemical compound CC(=O)OO KFSLWBXXFJQRDL-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000012071 phase Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- -1 alkyl acetate Chemical compound 0.000 description 2
- 229920002301 cellulose acetate Polymers 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229920002284 Cellulose triacetate Polymers 0.000 description 1
- 229920002488 Hemicellulose Polymers 0.000 description 1
- NNLVGZFZQQXQNW-ADJNRHBOSA-N [(2r,3r,4s,5r,6s)-4,5-diacetyloxy-3-[(2s,3r,4s,5r,6r)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6s)-4,5,6-triacetyloxy-2-(acetyloxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl acetate Chemical group O([C@@H]1O[C@@H]([C@H]([C@H](OC(C)=O)[C@H]1OC(C)=O)O[C@H]1[C@@H]([C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1)OC(C)=O)COC(=O)C)[C@@H]1[C@@H](COC(C)=O)O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O NNLVGZFZQQXQNW-ADJNRHBOSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- CCGKOQOJPYTBIH-UHFFFAOYSA-N ethenone Chemical compound C=C=O CCGKOQOJPYTBIH-UHFFFAOYSA-N 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/04—Solvent extraction of solutions which are liquid
- B01D11/0426—Counter-current multistage extraction towers in a vertical or sloping position
- B01D11/043—Counter-current multistage extraction towers in a vertical or sloping position with stationary contacting elements, sieve plates or loose contacting elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/04—Solvent extraction of solutions which are liquid
- B01D11/0446—Juxtaposition of mixers-settlers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/141—Fractional distillation or use of a fractionation or rectification column where at least one distillation column contains at least one dividing wall
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/34—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
- B01D3/40—Extractive distillation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
- C07C51/44—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/48—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C53/00—Saturated compounds having only one carboxyl group bound to an acyclic carbon atom or hydrogen
- C07C53/08—Acetic acid
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
溶媒相と水相との混合を改善するために、RDC(回転円板接触装置)型の円板/環状板(ring)塔またはOldshue−Rushton型の撹拌塔などの撹拌塔抽出装置を使用することができる。
− 塔頂では、抽出溶媒および場合により少量の水
− 塔の側部では、少なくとも1つの中間留分;中間留分は実質的に純粋な形態の酢酸または高濃度水溶液の形態の酢酸を含有する、
− 塔底では、単独でまたは酢酸との混合物として、高沸点化合物、
が回収される。
図1は、従来の酢酸回収方法の図を示す。
図2は、隔壁塔とフラッシュドラムとを備える本発明の方法の一実施形態の図を示す。
図3は、隔壁塔を備える本発明の方法の実施形態の図を示す。
Claims (10)
- 水溶液を低沸点溶媒で液/液抽出することにより酢酸を水溶液から抽出する工程であって、低沸点溶媒が酢酸よりも低い沸点を有し、水溶液が少なくとも酢酸、低沸点溶媒、水、および高沸点化合物を含む、抽出工程、ならびに隔壁塔内で、前記抽出工程からの抽出液を蒸留し、
(i)低沸点の溶媒および場合により水を含む塔頂の流れ、
(ii)隔壁塔に導入される流れの反対側の隔壁が占める領域で抜き出される、50重量%〜70重量%の酢酸を含む少なくとも1つの中間留分、ならびに
(iii)隔壁が占める領域の下で抜き出される、純粋な酢酸を含む流れ
を得る工程とを含む酢酸の回収方法。 - 前記水溶液が酢酸を20重量%〜40重量%含有することを特徴とする、請求項1に記載の方法。
- 前記水溶液が木材パルプのアセチル化プロセスにより生じることを特徴とする、請求項1または2に記載の方法。
- 前記蒸留工程中に隔壁塔で少なくとも1つの中間留分として回収された酢酸が、前記木材パルプのアセチル化プロセスでリサイクルされることを特徴とする、請求項1〜3のいずれか一項に記載の方法。
- 前記低沸点溶媒が、エーテル、アルコール、酢酸エステルおよびケトンからなる群から選択されることを特徴とする、請求項1〜4のいずれか一項に記載の方法。
- 前記低沸点溶媒が、ジエチルエーテル、メチルtert−ブチルエーテル、イソプロピルアルコール、酢酸イソプロピル、酢酸エチル、酢酸メチルおよびメチルエチルケトンから選択されることを特徴とする、請求項5に記載の方法。
- 前記塔の圧力が大気圧であることを特徴とする、請求項1〜6のいずれか一項に記載の方法。
- 塔の頂部と塔の底部との間の塔内の温度範囲が20℃〜130℃であることを特徴とする、請求項1〜7のいずれか一項に記載の方法。
- 塔頂から流出する溶媒/水混合物を沈降分離した後、前記低沸点溶媒を回収することを特徴とする、請求項1〜8のいずれか一項に記載の方法。
- 前記低沸点溶媒が、前記抽出工程にリサイクルされることを特徴とする、請求項1〜9のいずれか一項に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1154265 | 2011-05-17 | ||
FR1154265A FR2975394B1 (fr) | 2011-05-17 | 2011-05-17 | Procede de recuperation d'acide acetique |
PCT/EP2012/058914 WO2012156362A1 (fr) | 2011-05-17 | 2012-05-14 | Procede de recuperation d'acide acetique |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014520080A JP2014520080A (ja) | 2014-08-21 |
JP6207503B2 true JP6207503B2 (ja) | 2017-10-04 |
Family
ID=46051696
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014510766A Expired - Fee Related JP6207503B2 (ja) | 2011-05-17 | 2012-05-14 | 酢酸の回収方法 |
Country Status (8)
Country | Link |
---|---|
US (1) | US9656940B2 (ja) |
EP (1) | EP2709980B1 (ja) |
JP (1) | JP6207503B2 (ja) |
KR (1) | KR20140030255A (ja) |
CN (1) | CN103827072A (ja) |
FR (1) | FR2975394B1 (ja) |
MX (1) | MX362109B (ja) |
WO (1) | WO2012156362A1 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB201412838D0 (en) * | 2014-07-18 | 2014-09-03 | Tricoya Technologies Ltd | Recovery of wood acetylation fluid |
JP2017165693A (ja) * | 2016-03-17 | 2017-09-21 | 株式会社ダイセル | 酢酸の製造方法 |
CN106542990A (zh) * | 2016-10-13 | 2017-03-29 | 中石化南京工程有限公司 | 一种从醋酸水溶液中回收醋酸的方法及系统 |
KR102294876B1 (ko) | 2018-09-28 | 2021-08-27 | 주식회사 엘지화학 | 아미드계 화합물의 회수 방법 및 장치 |
SE543392C2 (en) * | 2019-03-08 | 2020-12-29 | Perstorp Ab | Use of a separation method for separating into fractions a mix of fatty acids resulting from fermentation |
DK3736030T3 (da) * | 2019-05-06 | 2021-09-20 | Gea Wiegand Gmbh | Fremgangsmåde og anlæg til at separere terpener fra en vandig alkoholblanding |
JP2022044884A (ja) * | 2020-09-08 | 2022-03-18 | 国立大学法人神戸大学 | 酢酸の回収方法 |
JP2022044883A (ja) * | 2020-09-08 | 2022-03-18 | 国立大学法人神戸大学 | 酢酸の回収方法 |
CN113968782A (zh) * | 2021-11-24 | 2022-01-25 | 南通醋酸纤维有限公司 | 一种去除回收再利用醋酸中杂质的方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19934410C1 (de) * | 1999-07-22 | 2000-12-14 | Consortium Elektrochem Ind | Verfahren zur Trennung und Reinigung eines wäßrigen Gemisches aus den Hauptkomponenten Essigsäure und Ameisensäure |
DE19934411C1 (de) * | 1999-07-22 | 2001-03-22 | Consortium Elektrochem Ind | Verfahren zur Trennung und Reinigung einew wäßrigen Gemisches aus den Hauptkomponenten Essigsäure und Ameisensäure |
FI119557B (fi) * | 2002-03-01 | 2008-12-31 | Chempolis Oy | Reaktiivinen erotus |
US20070167618A1 (en) * | 2006-01-13 | 2007-07-19 | Celanese Acetate, Llc | Manufacture of cellulose esters: recycle of caustic and/or acid from pre-treatment of pulp |
CN101244982B (zh) * | 2008-01-31 | 2011-03-23 | 中国石油大学(华东) | 一种乙酸甲酯的水解分离装置及其工艺 |
CN101525284A (zh) * | 2008-03-03 | 2009-09-09 | 艾博特(厦门)设备工程有限公司 | 一种脂肪族羧酸回收方法 |
US7790922B2 (en) * | 2008-03-14 | 2010-09-07 | Celanese International Corporation | Purification of acetic acid from wood acetylation process using extraction |
-
2011
- 2011-05-17 FR FR1154265A patent/FR2975394B1/fr not_active Expired - Fee Related
-
2012
- 2012-05-14 US US14/118,083 patent/US9656940B2/en not_active Expired - Fee Related
- 2012-05-14 JP JP2014510766A patent/JP6207503B2/ja not_active Expired - Fee Related
- 2012-05-14 KR KR1020137033000A patent/KR20140030255A/ko not_active Application Discontinuation
- 2012-05-14 MX MX2013013374A patent/MX362109B/es active IP Right Grant
- 2012-05-14 EP EP12719990.9A patent/EP2709980B1/fr not_active Not-in-force
- 2012-05-14 CN CN201280032863.6A patent/CN103827072A/zh active Pending
- 2012-05-14 WO PCT/EP2012/058914 patent/WO2012156362A1/fr active Application Filing
Also Published As
Publication number | Publication date |
---|---|
US9656940B2 (en) | 2017-05-23 |
WO2012156362A1 (fr) | 2012-11-22 |
JP2014520080A (ja) | 2014-08-21 |
EP2709980B1 (fr) | 2018-04-04 |
EP2709980A1 (fr) | 2014-03-26 |
KR20140030255A (ko) | 2014-03-11 |
FR2975394B1 (fr) | 2013-05-31 |
MX362109B (es) | 2019-01-07 |
CN103827072A (zh) | 2014-05-28 |
FR2975394A1 (fr) | 2012-11-23 |
US20150051423A1 (en) | 2015-02-19 |
MX2013013374A (es) | 2014-05-21 |
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