JP2004123746A - ジフェニルメタン系列のポリイソシアナートの製造方法 - Google Patents
ジフェニルメタン系列のポリイソシアナートの製造方法 Download PDFInfo
- Publication number
- JP2004123746A JP2004123746A JP2003341556A JP2003341556A JP2004123746A JP 2004123746 A JP2004123746 A JP 2004123746A JP 2003341556 A JP2003341556 A JP 2003341556A JP 2003341556 A JP2003341556 A JP 2003341556A JP 2004123746 A JP2004123746 A JP 2004123746A
- Authority
- JP
- Japan
- Prior art keywords
- aniline
- polyamine
- hcl
- water
- diphenylmethane series
- 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.)
- Granted
Links
- CZZYITDELCSZES-UHFFFAOYSA-N diphenylmethane Chemical class C=1C=CC=CC=1CC1=CC=CC=C1 CZZYITDELCSZES-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 229920001228 polyisocyanate Polymers 0.000 title claims abstract description 14
- 239000005056 polyisocyanate Substances 0.000 title claims abstract description 14
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 claims abstract description 112
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims abstract description 64
- 229920000768 polyamine Polymers 0.000 claims abstract description 45
- 239000000203 mixture Substances 0.000 claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 32
- 238000000034 method Methods 0.000 claims abstract description 26
- 238000004821 distillation Methods 0.000 claims abstract description 19
- 230000008569 process Effects 0.000 claims description 14
- 229920006389 polyphenyl polymer Polymers 0.000 claims 1
- 239000003054 catalyst Substances 0.000 description 20
- 230000002378 acidificating effect Effects 0.000 description 18
- 239000000047 product Substances 0.000 description 17
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 16
- 238000006243 chemical reaction Methods 0.000 description 12
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 description 11
- 239000011541 reaction mixture Substances 0.000 description 10
- 239000003795 chemical substances by application Substances 0.000 description 7
- 238000000926 separation method Methods 0.000 description 7
- 238000009833 condensation Methods 0.000 description 6
- 230000005494 condensation Effects 0.000 description 6
- 239000012948 isocyanate Substances 0.000 description 6
- 150000002513 isocyanates Chemical class 0.000 description 6
- 239000002904 solvent Substances 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 4
- 238000005191 phase separation Methods 0.000 description 4
- 238000010626 work up procedure Methods 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 150000001412 amines Chemical class 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000006386 neutralization reaction Methods 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 238000006887 Ullmann reaction Methods 0.000 description 2
- 150000007854 aminals Chemical class 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 239000007859 condensation product Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 description 2
- 230000003472 neutralizing effect Effects 0.000 description 2
- 239000012074 organic phase Substances 0.000 description 2
- DGTNSSLYPYDJGL-UHFFFAOYSA-N phenyl isocyanate Chemical compound O=C=NC1=CC=CC=C1 DGTNSSLYPYDJGL-UHFFFAOYSA-N 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- RELMFMZEBKVZJC-UHFFFAOYSA-N 1,2,3-trichlorobenzene Chemical class ClC1=CC=CC(Cl)=C1Cl RELMFMZEBKVZJC-UHFFFAOYSA-N 0.000 description 1
- BGJSXRVXTHVRSN-UHFFFAOYSA-N 1,3,5-trioxane Chemical compound C1OCOCO1 BGJSXRVXTHVRSN-UHFFFAOYSA-N 0.000 description 1
- OCJBOOLMMGQPQU-UHFFFAOYSA-N 1,4-dichlorobenzene Chemical compound ClC1=CC=C(Cl)C=C1 OCJBOOLMMGQPQU-UHFFFAOYSA-N 0.000 description 1
- MNNZINNZIQVULG-UHFFFAOYSA-N 2-chloroethylbenzene Chemical compound ClCCC1=CC=CC=C1 MNNZINNZIQVULG-UHFFFAOYSA-N 0.000 description 1
- 244000017106 Bixa orellana Species 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 150000001448 anilines Chemical class 0.000 description 1
- 235000012665 annatto Nutrition 0.000 description 1
- 239000010362 annatto Substances 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 150000008422 chlorobenzenes Chemical class 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 150000004985 diamines Chemical class 0.000 description 1
- 229940117389 dichlorobenzene Drugs 0.000 description 1
- 150000004816 dichlorobenzenes Chemical class 0.000 description 1
- 239000008098 formaldehyde solution Substances 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 239000002638 heterogeneous catalyst Substances 0.000 description 1
- 239000002815 homogeneous catalyst Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000012442 inert solvent Substances 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 150000003613 toluenes Chemical class 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 150000003738 xylenes Chemical class 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G61/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G61/02—Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
- C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/68—Preparation of compounds containing amino groups bound to a carbon skeleton from amines, by reactions not involving amino groups, e.g. reduction of unsaturated amines, aromatisation, or substitution of the carbon skeleton
- C07C209/78—Preparation of compounds containing amino groups bound to a carbon skeleton from amines, by reactions not involving amino groups, e.g. reduction of unsaturated amines, aromatisation, or substitution of the carbon skeleton from carbonyl compounds, e.g. from formaldehyde, and amines having amino groups bound to carbon atoms of six-membered aromatic rings, with formation of methylene-diarylamines
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C263/00—Preparation of derivatives of isocyanic acid
- C07C263/10—Preparation of derivatives of isocyanic acid by reaction of amines with carbonyl halides, e.g. with phosgene
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
【解決手段】a)アニリン及びホルムアルデヒドをHClの存在で反応させて、ジフェニルメタン系列のポリアミン、HCl、アニリン及び水を含有している生成物混合物に変換し、かつその後
b)過剰のアニリン及び水を蒸留により除去し、その際、ジフェニルメタン系列のポリアミン、HCl並びにポリアミンに対して多くとも10質量%の含量を有するアニリン及びポリアミンに対して多くとも5質量%の含量を有する水を含有している生成物混合物が得られ、かつその後
c)生成物混合物をホスゲン化する。
【選択図】なし
Description
本特許出願は、2002年9月30日付で提出されたドイツ連邦共和国特許出願番号102 45 703.2の米国特許法第119条(a)-(d)のもとでの優先権の特許の保護を請求する。
a)アニリン及びホルムアルデヒドをHClの存在で反応させて、ジフェニルメタン系列のポリアミン、HCl、アニリン及び水を含有している生成物混合物が得られ;
b)過剰のアニリン及び水を蒸留により除去して、ジフェニルメタン系列のポリアミン、HCl並びにポリアミンに対して10質量%以下のアニリン及びポリアミンに対して5質量%以下の水を含有している生成物混合物が得られ、かつ
c)(b)における生成物混合物をホスゲン化する
段階を含む、ジフェニルメタン系列のポリイソシアナートを製造する方法に向けられている。
a)アニリン及びホルムアルデヒドをHClの存在で反応させて、ジフェニルメタン系列のポリアミン、HCl、アニリン及び水を含有している生成物混合物に変換し、かつその後
b)過剰のアニリン及び水を蒸留により除去し、その際、ジフェニルメタン系列のポリアミン、HCl並びにポリアミンに対して多くとも10質量%の含量を有するアニリン及びポリアミンに対して多くとも5質量%の含量を有する水を含有している生成物混合物が得られ、かつその後
c)ジフェニルメタン系列のポリアミン、HCl並びにポリアミンに対して多くとも10質量%の含量を有するアニリン及びポリアミンに対して多くとも5質量%の含量を有する水を含有している生成物混合物をホスゲン化する
ことによって、ジフェニルメタン系列のポリイソシアナートを製造する方法により達成される。
Claims (2)
- ジフェニルメタン系列のポリイソシアナートの製造方法において、
a)アニリン及びホルムアルデヒドをHClの存在で反応させて、ジフェニルメタン系列のポリアミン、HCl、アニリン及び水を含有している生成物混合物を得;
b)過剰のアニリン及び水を蒸留により除去して、ジフェニルメタン系列のポリアミン、HCl並びにポリアミンに対して10質量%以下のアニリン及びポリアミンに対して5質量%以下の水を含有する生成物混合物を得;かつ
c)(b)における生成物混合物をホスゲン化する
ことを特徴とする、ジフェニルメタン系列のポリイソシアナートの製造方法。 - 工程(b)における生成物混合物が、ポリアミンに対して2質量%以下のアニリン及びポリアミンに対して1質量%以下の水を含有する、請求項1記載の方法。
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10245703A DE10245703A1 (de) | 2002-09-30 | 2002-09-30 | Verfahren zur Herstellung von Polyisocyanaten der Diphenylmethanreihe durch Phosgenierung von nichtneutralisiertem Polyamin der Diphenylmethanreihe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2004123746A true JP2004123746A (ja) | 2004-04-22 |
| JP4416465B2 JP4416465B2 (ja) | 2010-02-17 |
Family
ID=31969721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003341556A Expired - Fee Related JP4416465B2 (ja) | 2002-09-30 | 2003-09-30 | ジフェニルメタン系列のポリイソシアナートの製造方法 |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US7041776B2 (ja) |
| EP (1) | EP1403242B1 (ja) |
| JP (1) | JP4416465B2 (ja) |
| KR (1) | KR20040028563A (ja) |
| CN (1) | CN100569741C (ja) |
| AT (1) | ATE345323T1 (ja) |
| BR (1) | BR0304286A (ja) |
| CA (1) | CA2442464A1 (ja) |
| DE (2) | DE10245703A1 (ja) |
| ES (1) | ES2277009T3 (ja) |
| PT (1) | PT1403242E (ja) |
| TW (1) | TW200426133A (ja) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007197448A (ja) * | 2006-01-28 | 2007-08-09 | Bayer Materialscience Ag | ジフェニルメタン系のジアミン及びポリアミンの製造方法 |
| JP2007217416A (ja) * | 2006-02-18 | 2007-08-30 | Bayer Materialscience Ag | アニリンの製造方法 |
| WO2009154077A1 (ja) * | 2008-06-17 | 2009-12-23 | 日本ポリウレタン工業株式会社 | ポリイソシアネートの製造方法 |
| JP2014520086A (ja) * | 2011-05-24 | 2014-08-21 | ビーエーエスエフ ソシエタス・ヨーロピア | バイオマスからポリイソシアナートを製造する方法 |
| JPWO2021039660A1 (ja) * | 2019-08-29 | 2021-03-04 |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10228734A1 (de) * | 2002-06-27 | 2004-01-22 | Bayer Ag | Verfahren zur Herstellung von Polyisocyanaten der Diphenylmethanreihe mit vermindertem Farbwert |
| DE102004052370A1 (de) * | 2004-10-28 | 2006-05-04 | Bayer Materialscience Ag | Verfahren zur Herstellung von Di- und Polyaminen der Diphenylmethanreihe |
| DE102005006692A1 (de) * | 2005-02-15 | 2006-08-24 | Bayer Materialscience Ag | Verfahren zur Herstellung von Di-und Polyaminen der Diphenylmethanreihe |
| EP1960346B2 (en) | 2005-12-08 | 2019-03-27 | Huntsman International Llc | Process for preparing diaminodiphenylmethanes |
| DE102006004047A1 (de) | 2006-01-28 | 2007-08-02 | Bayer Materialscience Ag | Verfahren zur Herstellung von Di- und Polyaminen der Diphenylmethanreihe |
| DE102006007619A1 (de) * | 2006-02-18 | 2007-08-23 | Bayer Materialscience Ag | Verfahren zur Herstellung von Anilin |
| EP2151274B1 (en) * | 2006-12-27 | 2012-09-19 | Ningbo Wanhua Polyurethanes Co., Ltd. | Orifice jet-type injection reactor |
| JP5479675B2 (ja) * | 2007-11-14 | 2014-04-23 | 三井化学株式会社 | トルエンジイソシアネートの製造方法 |
| DE102008015123A1 (de) * | 2008-03-20 | 2009-09-24 | Bayer Materialscience Ag | Verfahren zur Herstellung von Di- und Polyaminen der Diphenylmethanreihe |
| WO2013057069A1 (de) | 2011-10-21 | 2013-04-25 | Bayer Intellectual Property Gmbh | Mehrkernige aromatische polyamine und verfahren zu ihrer herstellung |
| WO2018050554A1 (de) | 2016-09-19 | 2018-03-22 | Basf Se | Cyanethylierte methylcylohexandiamin- (mcda) und toluoldiamin- (tda) derivate |
| US10759736B2 (en) | 2018-10-17 | 2020-09-01 | Covestro Deutschland Ag | Process for the preparation of di- and polyamines of the diphenylmethane series |
| CN113474388B (zh) * | 2019-02-07 | 2024-03-22 | 陶氏环球技术有限责任公司 | 异氰酸苯酯转化方法 |
| CN110511163B (zh) * | 2019-09-02 | 2021-09-07 | 万华化学集团股份有限公司 | 光化反应制备多异氰酸酯的方法以及制备水性聚氨酯树脂的方法 |
| US20240018097A1 (en) * | 2020-12-10 | 2024-01-18 | Covestro Deutschland Ag | Process for preparing a polyisocyanate, polyisocyanate, its use and polyaddition products prepared therefrom |
| CN113929596B (zh) * | 2021-11-11 | 2023-09-19 | 万华化学集团股份有限公司 | 一种pmdi废水的综合利用工艺及稳定控制方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA864038A (en) * | 1968-03-11 | 1971-02-16 | K. Hoeschele Guenther | Methylene-bridged polyphenyl polyisocyanates |
| DE2404775A1 (de) * | 1974-02-01 | 1975-08-21 | Basf Ag | Verfahren zur herstellung von mehrwertigen isocyanaten |
| DE3407494A1 (de) * | 1984-03-01 | 1985-09-05 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von polyaminen und ihre verwendung zur herstellung von polyisocyanaten |
| US5310769A (en) * | 1992-05-01 | 1994-05-10 | Bayer Aktiengesellschaft | Process for the production of polyamine mixtures of the polyamino-polyaryl-polymethylene series |
| IT1318437B1 (it) | 2000-03-31 | 2003-08-25 | Eni Spa | Procedimento per la preparazione di miscele di metilendianilina e suoi omologhi superiori. |
-
2002
- 2002-09-30 DE DE10245703A patent/DE10245703A1/de not_active Withdrawn
-
2003
- 2003-09-17 DE DE50305669T patent/DE50305669D1/de not_active Expired - Lifetime
- 2003-09-17 PT PT03020534T patent/PT1403242E/pt unknown
- 2003-09-17 ES ES03020534T patent/ES2277009T3/es not_active Expired - Lifetime
- 2003-09-17 EP EP03020534A patent/EP1403242B1/de not_active Expired - Lifetime
- 2003-09-17 AT AT03020534T patent/ATE345323T1/de not_active IP Right Cessation
- 2003-09-25 CA CA002442464A patent/CA2442464A1/en not_active Abandoned
- 2003-09-26 US US10/672,440 patent/US7041776B2/en not_active Expired - Fee Related
- 2003-09-28 CN CNB031434134A patent/CN100569741C/zh not_active Expired - Fee Related
- 2003-09-29 TW TW092126764A patent/TW200426133A/zh unknown
- 2003-09-29 KR KR1020030067284A patent/KR20040028563A/ko not_active Ceased
- 2003-09-30 JP JP2003341556A patent/JP4416465B2/ja not_active Expired - Fee Related
- 2003-09-30 BR BR0304286-3A patent/BR0304286A/pt not_active IP Right Cessation
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007197448A (ja) * | 2006-01-28 | 2007-08-09 | Bayer Materialscience Ag | ジフェニルメタン系のジアミン及びポリアミンの製造方法 |
| JP2007217416A (ja) * | 2006-02-18 | 2007-08-30 | Bayer Materialscience Ag | アニリンの製造方法 |
| WO2009154077A1 (ja) * | 2008-06-17 | 2009-12-23 | 日本ポリウレタン工業株式会社 | ポリイソシアネートの製造方法 |
| JP5158199B2 (ja) * | 2008-06-17 | 2013-03-06 | 日本ポリウレタン工業株式会社 | ポリイソシアネートの製造方法 |
| JP2014520086A (ja) * | 2011-05-24 | 2014-08-21 | ビーエーエスエフ ソシエタス・ヨーロピア | バイオマスからポリイソシアナートを製造する方法 |
| JPWO2021039660A1 (ja) * | 2019-08-29 | 2021-03-04 | ||
| WO2021039660A1 (ja) * | 2019-08-29 | 2021-03-04 | 住友化学株式会社 | イソシアナート化合物の製造方法 |
| JP7539391B2 (ja) | 2019-08-29 | 2024-08-23 | 住友化学株式会社 | イソシアナート化合物の製造方法 |
| US12275690B2 (en) | 2019-08-29 | 2025-04-15 | Sumitomo Chemical Company, Limited | Method for producing isocyanate compound |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1403242B1 (de) | 2006-11-15 |
| DE10245703A1 (de) | 2004-04-01 |
| US20040092701A1 (en) | 2004-05-13 |
| US7041776B2 (en) | 2006-05-09 |
| CA2442464A1 (en) | 2004-03-30 |
| CN100569741C (zh) | 2009-12-16 |
| ES2277009T3 (es) | 2007-07-01 |
| JP4416465B2 (ja) | 2010-02-17 |
| TW200426133A (en) | 2004-12-01 |
| CN1496976A (zh) | 2004-05-19 |
| ATE345323T1 (de) | 2006-12-15 |
| DE50305669D1 (de) | 2006-12-28 |
| EP1403242A1 (de) | 2004-03-31 |
| PT1403242E (pt) | 2007-01-31 |
| KR20040028563A (ko) | 2004-04-03 |
| BR0304286A (pt) | 2004-08-31 |
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