BR9800931A - Processo de inibidor de polimerização - Google Patents
Processo de inibidor de polimerizaçãoInfo
- Publication number
- BR9800931A BR9800931A BR9800931-1A BR9800931A BR9800931A BR 9800931 A BR9800931 A BR 9800931A BR 9800931 A BR9800931 A BR 9800931A BR 9800931 A BR9800931 A BR 9800931A
- Authority
- BR
- Brazil
- Prior art keywords
- polymerization inhibitor
- exhaust gas
- inhibitor process
- revealed
- entry
- Prior art date
Links
Classifications
-
- 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
- C07C5/00—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
- C07C5/32—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with formation of free hydrogen
- C07C5/327—Formation of non-aromatic carbon-to-carbon double bonds only
- C07C5/333—Catalytic processes
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Water Supply & Treatment (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Polymerisation Methods In General (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
Abstract
Patente de Invenção: <B>''PROCESSO DE INIBIDOR DE POLIMERIZAçãO''<D>. São revelados um sistema e um processo para manipulação limpa dos subprodutos de gás de descarga da reação de des-hidrogenação de compostos aromáticos de monovinila, processo esse que envolve o uso de inibidor de polimerização injetado para dentro do gás de descarga antes de sua entrada para dentro do compressor de gás de descarga.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US82128197A | 1997-03-20 | 1997-03-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9800931A true BR9800931A (pt) | 2000-04-04 |
Family
ID=25233001
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9800931-1A BR9800931A (pt) | 1997-03-20 | 1998-03-19 | Processo de inibidor de polimerização |
Country Status (13)
Country | Link |
---|---|
JP (1) | JPH10330297A (pt) |
KR (1) | KR19980080447A (pt) |
BE (1) | BE1011649A5 (pt) |
BR (1) | BR9800931A (pt) |
CA (1) | CA2232502A1 (pt) |
CZ (1) | CZ83398A3 (pt) |
DE (1) | DE19811602A1 (pt) |
ES (1) | ES2142274B1 (pt) |
FR (1) | FR2761060B1 (pt) |
ID (1) | ID20069A (pt) |
IT (1) | IT1298751B1 (pt) |
NL (1) | NL1008644C2 (pt) |
SK (1) | SK36398A3 (pt) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU1863100A (en) * | 1998-12-17 | 2000-07-03 | Ciba Specialty Chemicals Holding Inc. | Inhibiting polymerization of vinyl aromatic monomers using synergistic mixtures containing nitroxide stabilizers |
US6300533B1 (en) | 1999-08-16 | 2001-10-09 | Uniroyal Chemical Company, Inc. | Inhibition of polymerization of ethylenically unsaturated monomers |
EP1233937B1 (en) | 1999-12-02 | 2005-10-26 | Crompton Corporation | Inhibition of polymerization of unsaturated monomers |
AR029410A1 (es) | 1999-12-02 | 2003-06-25 | Crompton Corp | Metodo para inhibir la polimerizacion prematura de monomeros etilenicamente insaturados y composiciones de los mismos |
BR0016113B1 (pt) | 1999-12-03 | 2011-02-22 | composição e método para inibir polimerização e crescimento de polìmeros. | |
US6403850B1 (en) | 2000-01-18 | 2002-06-11 | Uniroyal Chemical Company, Inc. | Inhibition of polymerization of unsaturated monomers |
US6344560B1 (en) | 2000-05-03 | 2002-02-05 | Uniroyal Chemical Company, Inc. | Nitroaromatic solubilizer for nitroxyls in aromatic solvents |
CA2422655A1 (en) | 2000-10-16 | 2002-04-25 | Uniroyal Chemical Company, Inc. | Blends of quinone alkide and nitroxyl compounds as polymerization inhibitors |
US6685823B2 (en) | 2000-10-16 | 2004-02-03 | Uniroyal Chemical Company, Inc. | C-nitrosoaniline compounds and their blends as polymerization inhibitors |
US6689926B2 (en) * | 2002-02-12 | 2004-02-10 | Fina Technology, Inc. | Process for purifying styrene monomer feedstock prior to polymerization |
JP2006016350A (ja) * | 2004-07-02 | 2006-01-19 | Hakuto Co Ltd | スチレン製造における汚れ防止方法 |
US7553896B2 (en) | 2005-06-17 | 2009-06-30 | Chemtura Corporation | Ortho-nitrosophenols as polymerization inhibitors |
KR102493266B1 (ko) | 2014-10-14 | 2023-01-27 | 에코랍 유에스에이 인코퍼레이티드 | 아크릴레이트/메타크릴레이트 공정에서 폴리머 오염 및 응집의 감소 |
CA2979828C (en) | 2015-03-18 | 2023-08-29 | Ecolab Usa Inc. | The use of stable lipophilic hydroxylamine compounds for inhibiting polymerization of vinyl monomers |
US9957209B2 (en) | 2015-03-31 | 2018-05-01 | Ecolab Usa Inc. | Use of quinone methides as antipolymerants for vinylic monomers |
WO2016172076A1 (en) | 2015-04-20 | 2016-10-27 | Ecolab Usa Inc. | Sterically hindered hydroquinones as antifoulants for unsaturated monomers |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IL40059A (en) * | 1971-08-11 | 1975-02-10 | Universal Oil Prod Co | Fractional distillation of polymerizable compounds |
US4670131A (en) * | 1986-01-13 | 1987-06-02 | Exxon Chemical Patents Inc. | Method for controlling fouling of hydrocarbon compositions containing olefinic compounds |
US5254760A (en) * | 1992-07-29 | 1993-10-19 | Ciba-Geigy Corporation | Inhibiting polymerization of vinyl aromatic monomers |
ES2126185T3 (es) * | 1994-08-19 | 1999-03-16 | Huels Chemische Werke Ag | Inhibicion de la polimerizacion del estireno. |
US5545786C1 (en) * | 1994-11-28 | 2001-10-16 | Ciba Geigy Corp | Method for inhibiting premature polymerization of vinyl aromatic monomers |
JP4392807B2 (ja) * | 1995-06-07 | 2010-01-06 | フイナ・テクノロジー・インコーポレーテツド | 重合抑制剤方法 |
WO1998002403A1 (en) * | 1996-07-15 | 1998-01-22 | Betzdearborn Inc. | Method for inhibiting vinyl aromatic monomer polymerization in condenser and compression systems |
-
1998
- 1998-03-17 DE DE19811602A patent/DE19811602A1/de not_active Withdrawn
- 1998-03-17 ID IDP980385A patent/ID20069A/id unknown
- 1998-03-18 BE BE9800215A patent/BE1011649A5/fr not_active IP Right Cessation
- 1998-03-18 CZ CZ98833A patent/CZ83398A3/cs unknown
- 1998-03-18 IT IT98MI000548A patent/IT1298751B1/it active IP Right Grant
- 1998-03-18 SK SK363-98A patent/SK36398A3/sk unknown
- 1998-03-18 CA CA002232502A patent/CA2232502A1/en not_active Abandoned
- 1998-03-19 BR BR9800931-1A patent/BR9800931A/pt not_active Application Discontinuation
- 1998-03-19 FR FR9803351A patent/FR2761060B1/fr not_active Expired - Fee Related
- 1998-03-19 JP JP10090923A patent/JPH10330297A/ja active Pending
- 1998-03-19 KR KR1019980009415A patent/KR19980080447A/ko not_active Application Discontinuation
- 1998-03-19 NL NL1008644A patent/NL1008644C2/nl not_active IP Right Cessation
- 1998-03-20 ES ES009800596A patent/ES2142274B1/es not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2761060B1 (fr) | 1999-08-20 |
ES2142274B1 (es) | 2001-01-01 |
NL1008644A1 (nl) | 1998-09-22 |
CZ83398A3 (cs) | 1998-10-14 |
IT1298751B1 (it) | 2000-02-02 |
DE19811602A1 (de) | 1998-11-12 |
ITMI980548A1 (it) | 1999-09-18 |
FR2761060A1 (fr) | 1998-09-25 |
JPH10330297A (ja) | 1998-12-15 |
BE1011649A5 (fr) | 1999-11-09 |
KR19980080447A (ko) | 1998-11-25 |
ID20069A (id) | 1998-09-24 |
NL1008644C2 (nl) | 1998-12-15 |
ES2142274A1 (es) | 2000-04-01 |
CA2232502A1 (en) | 1998-09-20 |
SK36398A3 (en) | 2000-02-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FA10 | Dismissal: dismissal - article 33 of industrial property law | ||
B11Y | Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette] |