IN2012DN01380A - - Google Patents
Download PDFInfo
- Publication number
- IN2012DN01380A IN2012DN01380A IN1380DEN2012A IN2012DN01380A IN 2012DN01380 A IN2012DN01380 A IN 2012DN01380A IN 1380DEN2012 A IN1380DEN2012 A IN 1380DEN2012A IN 2012DN01380 A IN2012DN01380 A IN 2012DN01380A
- Authority
- IN
- India
- Prior art keywords
- vinyl aromatic
- extractive distillation
- dinitrophenol
- mixture
- various embodiments
- Prior art date
Links
- -1 vinyl aromatic compounds Chemical class 0.000 abstract 4
- 229920002554 vinyl polymer Polymers 0.000 abstract 4
- 238000000895 extractive distillation Methods 0.000 abstract 3
- 238000000034 method Methods 0.000 abstract 3
- 239000000203 mixture Substances 0.000 abstract 3
- UFBJCMHMOXMLKC-UHFFFAOYSA-N 2,4-dinitrophenol Chemical compound OC1=CC=C([N+]([O-])=O)C=C1[N+]([O-])=O UFBJCMHMOXMLKC-UHFFFAOYSA-N 0.000 abstract 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 abstract 2
- 239000003112 inhibitor Substances 0.000 abstract 2
- 238000006116 polymerization reaction Methods 0.000 abstract 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- 230000002401 inhibitory effect Effects 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/04—Purification; Separation; Use of additives by distillation
- C07C7/05—Purification; Separation; Use of additives by distillation with the aid of auxiliary compounds
- C07C7/08—Purification; Separation; Use of additives by distillation with the aid of auxiliary compounds by extractive distillation
-
- 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
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C15/00—Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic parts
- C07C15/40—Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic parts substituted by unsaturated carbon radicals
- C07C15/42—Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic parts substituted by unsaturated carbon radicals monocyclic
- C07C15/44—Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic parts substituted by unsaturated carbon radicals monocyclic the hydrocarbon substituent containing a carbon-to-carbon double bond
- C07C15/46—Styrene; Ring-alkylated styrenes
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/20—Use of additives, e.g. for stabilisation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Water Supply & Treatment (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US22662809P | 2009-07-17 | 2009-07-17 | |
| US12/705,937 US8771476B2 (en) | 2009-07-17 | 2010-02-15 | Methods for inhibiting polymerization of vinyl aromatic compounds during extractive distillation |
| PCT/US2010/035889 WO2011008343A1 (en) | 2009-07-17 | 2010-05-22 | Methods for inhibiting polymerization of vinyl aromatic compounds during extractive distillation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN2012DN01380A true IN2012DN01380A (enExample) | 2015-06-05 |
Family
ID=43449663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN1380DEN2012 IN2012DN01380A (enExample) | 2009-07-17 | 2010-05-22 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US8771476B2 (enExample) |
| EP (1) | EP2453999A4 (enExample) |
| KR (1) | KR20120049270A (enExample) |
| CN (1) | CN101955409B (enExample) |
| BR (1) | BR112012001138A2 (enExample) |
| IN (1) | IN2012DN01380A (enExample) |
| RU (1) | RU2531918C2 (enExample) |
| TW (1) | TWI492933B (enExample) |
| WO (1) | WO2011008343A1 (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2460714C1 (ru) * | 2011-06-27 | 2012-09-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Иркутский государственный технический университет" (ФГБОУ ВПО "ИрГТУ") | Способ ингибирования термополимеризации при переработке жидких продуктов пиролиза |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1274784A (en) * | 1969-02-17 | 1972-05-17 | Toray Industries | Recovery of aromatic hydrocarbons |
| JPS5021B1 (enExample) * | 1970-07-18 | 1975-01-06 | ||
| US4033829A (en) * | 1974-12-26 | 1977-07-05 | Monsanto Company | Process for inhibiting polymerization of styrene during distillation |
| US4105506A (en) * | 1977-02-24 | 1978-08-08 | Cosden Technology, Inc. | Polymerization inhibitor for vinyl aromatic compounds |
| US4182658A (en) | 1977-11-23 | 1980-01-08 | Cosden Technology, Inc. | Emergency polymerization inhibitor system for vinyl aromatic compounds |
| DD135377A1 (de) * | 1978-02-23 | 1979-05-02 | Rainer Holm | Verfahren zur polymerisationsinhibierung bei der styrol-extraktivdestillation |
| US4252615A (en) * | 1978-07-18 | 1981-02-24 | Cosden Technology, Inc. | Polymerization inhibitor for vinyl aromatic compounds |
| US4596655A (en) * | 1983-08-17 | 1986-06-24 | The Dow Chemical Company | Process for separating an ethylenically unsaturated hydrocarbon from a hydrocarbon mixture |
| US4514261A (en) * | 1984-08-31 | 1985-04-30 | El Paso Products Company | Refining of tertiary butylstyrene |
| DE19513838A1 (de) * | 1994-05-02 | 1995-11-09 | Basf Ag | Verfahren zur Destillation von Styrol |
| US5446220A (en) * | 1994-08-24 | 1995-08-29 | Betz Laboratories, Inc. | Methods for inhibiting vinyl aromatic monomer polymerization |
| ZA972966B (en) | 1996-05-21 | 1997-11-21 | Glitsch Int Inc | Recovery of styrene from purolysis gasoline by extractive distillation. |
| US5877385A (en) | 1996-05-21 | 1999-03-02 | Hfm International, Inc. | Process including extractive distillation and/or dehydrogenation to produce styrene from petroleum feedstock including ethyl-benzene/xylene mixtures |
| US5910232A (en) * | 1998-06-10 | 1999-06-08 | Nalco/Exxon Energy Chemicals, L.P. | Method for inhibiting polymer formation in styrene processing |
| US6395943B1 (en) * | 1999-08-10 | 2002-05-28 | Uop Llc | Process for inhibiting the polymerization of vinyl aromatic compounds |
| US6348136B1 (en) * | 2000-02-29 | 2002-02-19 | Fina Technology, Inc. | Method and apparatus for the purification of vinyl aromatic compounds |
-
2010
- 2010-02-15 US US12/705,937 patent/US8771476B2/en not_active Expired - Fee Related
- 2010-04-23 CN CN201010158962.1A patent/CN101955409B/zh not_active Expired - Fee Related
- 2010-05-22 BR BR112012001138A patent/BR112012001138A2/pt not_active IP Right Cessation
- 2010-05-22 KR KR1020127004130A patent/KR20120049270A/ko not_active Ceased
- 2010-05-22 EP EP10800200A patent/EP2453999A4/en not_active Withdrawn
- 2010-05-22 WO PCT/US2010/035889 patent/WO2011008343A1/en not_active Ceased
- 2010-05-22 RU RU2012105429/04A patent/RU2531918C2/ru not_active IP Right Cessation
- 2010-05-22 IN IN1380DEN2012 patent/IN2012DN01380A/en unknown
- 2010-06-22 TW TW099120243A patent/TWI492933B/zh not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CN101955409B (zh) | 2014-11-26 |
| EP2453999A4 (en) | 2013-01-23 |
| RU2531918C2 (ru) | 2014-10-27 |
| EP2453999A1 (en) | 2012-05-23 |
| TW201103889A (en) | 2011-02-01 |
| KR20120049270A (ko) | 2012-05-16 |
| TWI492933B (zh) | 2015-07-21 |
| US20110015462A1 (en) | 2011-01-20 |
| CN101955409A (zh) | 2011-01-26 |
| RU2012105429A (ru) | 2013-08-27 |
| WO2011008343A1 (en) | 2011-01-20 |
| US8771476B2 (en) | 2014-07-08 |
| BR112012001138A2 (pt) | 2016-02-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20090240092A1 (en) | Ortho-nitrosophenols as polymerization inhibitors | |
| MX2012003835A (es) | Combinaciones de un inhibidores especifico de ns5a del hcv e inhibidor de proteasa n53 del hcv. | |
| WO2010102712A3 (de) | Verfahren zur gewinnung von reinaromaten aus aromatenhaltigen kohlenwasserstofffraktionen | |
| US9957209B2 (en) | Use of quinone methides as antipolymerants for vinylic monomers | |
| WO2012134552A8 (en) | Dehydrogenation process | |
| CA2982465C (en) | Sterically hindered hydroquinones as antifoulants for unsaturated monomers | |
| MY165106A (en) | Methods and compositions for inhibiting polystyrene formation during styrene production | |
| Nishiyama et al. | Antioxidative activity and active site of 1, 3-indandiones with the β-diketone moiety | |
| MX392233B (es) | Método para preparar bromuros. | |
| KR20070086820A (ko) | 중합 억제제로서 니트록실 라디칼-함유 화합물 또는ｃ-니트로소아닐린과 조합되는 방향족 술폰산, 아민, 및니트로페놀 | |
| EP2912109B1 (en) | Quinone compounds for inhibiting monomer polymerization | |
| CN101440286B (zh) | 一种复配阻聚剂及其用途 | |
| RU2014127330A (ru) | Усовершенствованная композиция добавки для контроля и ингибирования полимеризации ароматических виниловых мономеров и способ ее использования | |
| IN2012DN01380A (enExample) | ||
| IN2014CN04538A (enExample) | ||
| US9944577B2 (en) | Hydroquinone compounds for inhibiting monomer polymerization | |
| JP6118347B2 (ja) | 現場生成キノンメチドによるスチレン抑制方法及び組成物 | |
| NO20076274L (no) | Hydrokarbonseparering | |
| US9605203B2 (en) | Composition preventing the polymerization of ethylenically unsaturated monomers and the removal thereof before polymerization | |
| EA201270762A1 (ru) | Способ для регенерации катализатора и длительного применения | |
| JP2017001970A (ja) | ビニル芳香族モノマーの重合を抑制するための組成物 | |
| JP4820369B2 (ja) | 重合禁止剤としてのスルホン化ニトロフェノール | |
| JP2008514598A (ja) | 重合禁止剤としてのニトロフェノール類を伴うスルホン化フェノール類 | |
| RU2013144911A (ru) | Способ алкилирования бензола | |
| CN101031528A (zh) | 作为聚合抑制剂的磺化硝基苯酚类 |