UA91721C2 - Азеотропная композиция, способ получения е-1,3,3,3-тетрафторпропена, способ его отделения и очищения - Google Patents
Азеотропная композиция, способ получения е-1,3,3,3-тетрафторпропена, способ его отделения и очищенияInfo
- Publication number
- UA91721C2 UA91721C2 UAA200805161A UAA200805161A UA91721C2 UA 91721 C2 UA91721 C2 UA 91721C2 UA A200805161 A UAA200805161 A UA A200805161A UA A200805161 A UAA200805161 A UA A200805161A UA 91721 C2 UA91721 C2 UA 91721C2
- Authority
- UA
- Ukraine
- Prior art keywords
- tetrafluoropropene
- purification
- separation
- preparation
- azeotrope
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C21/00—Acyclic unsaturated compounds containing halogen atoms
- C07C21/02—Acyclic unsaturated compounds containing halogen atoms containing carbon-to-carbon double bonds
- C07C21/18—Acyclic unsaturated compounds containing halogen atoms containing carbon-to-carbon double bonds containing fluorine
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/19—Fluorine; Hydrogen fluoride
- C01B7/191—Hydrogen fluoride
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/19—Fluorine; Hydrogen fluoride
- C01B7/191—Hydrogen fluoride
- C01B7/195—Separation; Purification
- C01B7/196—Separation; Purification by distillation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/25—Preparation of halogenated hydrocarbons by splitting-off hydrogen halides from halogenated hydrocarbons
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/38—Separation; Purification; Stabilisation; Use of additives
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/38—Separation; Purification; Stabilisation; Use of additives
- C07C17/383—Separation; Purification; Stabilisation; Use of additives by distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Catalysts (AREA)
- Detergent Compositions (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US73239705P | 2005-11-01 | 2005-11-01 | |
PCT/US2006/042668 WO2007053689A2 (en) | 2005-11-01 | 2006-11-01 | Azeotrope compositions comprising e-1,3,3,3-tetrafluoropropene and hydrogen fluoride and uses thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
UA91721C2 true UA91721C2 (ru) | 2010-08-25 |
Family
ID=37916938
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
UAA200805161A UA91721C2 (ru) | 2005-11-01 | 2006-11-01 | Азеотропная композиция, способ получения е-1,3,3,3-тетрафторпропена, способ его отделения и очищения |
Country Status (13)
Country | Link |
---|---|
US (1) | US7423188B2 (ru) |
EP (2) | EP1948580B2 (ru) |
JP (1) | JP2009513715A (ru) |
KR (1) | KR101438240B1 (ru) |
CN (2) | CN101300216A (ru) |
AR (1) | AR058502A1 (ru) |
BR (1) | BRPI0619654A2 (ru) |
CA (1) | CA2626080A1 (ru) |
ES (1) | ES2618540T5 (ru) |
MX (1) | MX2008005417A (ru) |
RU (2) | RU2466978C2 (ru) |
UA (1) | UA91721C2 (ru) |
WO (1) | WO2007053689A2 (ru) |
Families Citing this family (47)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6755942B1 (en) * | 1995-08-01 | 2004-06-29 | E. I. Du Pont De Nemours And Company | Process for the manufacture of halocarbons and selected compounds and azeotropes with HF |
US7897823B2 (en) * | 2004-10-29 | 2011-03-01 | E. I. Du Pont De Nemours And Company | Process for production of azeotrope compositions comprising hydrofluoroolefin and hydrogen fluoride and uses of said azeotrope compositions in separation processes |
US7722781B2 (en) | 2006-06-27 | 2010-05-25 | E.I. Du Pont De Nemours And Company | Tetrafluoropropene production processes |
WO2008002501A2 (en) | 2006-06-27 | 2008-01-03 | E. I. Du Pont De Nemours And Company | 1,2,3,3,3-pentafluoropropene production processes |
US8377327B2 (en) * | 2006-06-27 | 2013-02-19 | E I Du Pont De Nemours And Company | Tetrafluoropropene production processes |
RU2444508C2 (ru) | 2006-06-27 | 2012-03-10 | Е. И. Дюпон Де Немур Энд Компани | Способ производства тетрафторпропена |
WO2008008350A2 (en) * | 2006-07-13 | 2008-01-17 | E.I. Du Pont De Nemours And Company | Catalytic production processes for making tetrafluoropropenes and pentafluoropropenes |
GB0614927D0 (en) * | 2006-07-27 | 2006-09-06 | Ineos Fluor Holdings Ltd | Separation process |
US8067650B2 (en) * | 2006-08-24 | 2011-11-29 | Honeywell International Inc. | Process for the production of HFO trans-1234ze from HFC-245fa |
ES2397377T3 (es) * | 2006-08-24 | 2013-03-06 | Honeywell International Inc. | Proceso integrado de fabricación de HFC trans1234ze |
EP2054361B1 (en) | 2006-08-24 | 2016-02-17 | E. I. du Pont de Nemours and Company | Processes for separation of fluoroolefins from hydrogen fluoride by azeotropic distillation |
US7420094B2 (en) * | 2006-09-05 | 2008-09-02 | E.I. Du Pont De Nemours And Company | Catalytic isomerization processes of 1,3,3,3-tetrafluoropropene for making 2,3,3,3-tetrafluoropropene |
EP2091897B2 (en) * | 2006-10-31 | 2021-12-01 | The Chemours Company FC, LLC | Processes for the production of fluoropropanes and halopropenes |
JP5136111B2 (ja) * | 2008-02-19 | 2013-02-06 | セントラル硝子株式会社 | フルオロオレフィンとフッ化水素の分離方法 |
KR20200039844A (ko) * | 2008-02-21 | 2020-04-16 | 더 케무어스 컴퍼니 에프씨, 엘엘씨 | 공비 증류에 의한 플루오르화수소로부터의 1,3,3,3-테트라플루오로프로펜의 분리 방법 |
KR101842380B1 (ko) * | 2008-02-21 | 2018-03-26 | 이 아이 듀폰 디 네모아 앤드 캄파니 | 공비 증류에 의한 플루오르화수소로부터의 2,3,3,3-테트라플루오로프로펜의 분리 방법 |
EP2254851B1 (en) | 2008-02-21 | 2016-10-26 | The Chemours Company FC, LLC | Azeotrope compositions comprising 3,3,3-trifluoropropene and hydrogen fluoride and processes for separation thereof |
US20100016457A1 (en) * | 2008-07-16 | 2010-01-21 | Bowman James M | Hfo-1234ze mixed isomers with hfc-245fa as a blowing agent, aerosol, and solvent |
JP5338240B2 (ja) * | 2008-10-06 | 2013-11-13 | セントラル硝子株式会社 | フッ化水素の分離方法 |
FR2937328B1 (fr) | 2008-10-16 | 2010-11-12 | Arkema France | Procede de transfert de chaleur |
CN102307832A (zh) * | 2009-02-11 | 2012-01-04 | 阿克马法国公司 | 三氟氯丙烯和戊烷的共沸物和类共沸物组合物 |
JP5620478B2 (ja) | 2009-06-03 | 2014-11-05 | イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニーE.I.Du Pont De Nemours And Company | 2,3,3,3−テトラフルオロプロペンを製造するための触媒および方法 |
US8487145B2 (en) | 2009-06-03 | 2013-07-16 | E I De Pont De Nemours And Company | Catalysts and process to manufacture 2,3,3,3-tetrafluoropropene |
US7829748B1 (en) * | 2009-09-21 | 2010-11-09 | Honeywell International Inc. | Process for the manufacture of 1,3,3,3-tetrafluoropropene |
EP2561030B1 (en) * | 2010-04-19 | 2015-01-21 | Holt Lloyd International Limited | Tire sealer and inflator composition |
US8951431B2 (en) * | 2010-05-06 | 2015-02-10 | E I Du Pont De Nemours And Company | Azeotrope-like compositions of pentafluoropropene and water |
US8747691B2 (en) * | 2010-05-06 | 2014-06-10 | Honeywell International Inc. | Azeotrope-like compositions of tetrafluoropropene and water |
US8518293B2 (en) * | 2010-09-03 | 2013-08-27 | Honeywell International Inc. | 1,3,3,3-tetrafluoropropene process azeotropes with HF |
FR2977707B1 (fr) | 2011-07-05 | 2014-05-23 | Schneider Electric Ind Sas | Utilisation d'une hydrofluoroolefine comme milieu d'isolation et/ou d'extinction d'arc en moyenne tension et appareil electrique moyenne tension a isolation gazeuse le comprenant |
US8822739B2 (en) | 2012-03-22 | 2014-09-02 | E I Du Pont De Nemours And Company | Catalytic isomerization of 2,3,3,3-tetrafluoropropene |
CN107032947A (zh) | 2012-06-06 | 2017-08-11 | 科慕埃弗西有限公司 | 用于降低氟代烯烃中RfCCX杂质的方法 |
US8987399B2 (en) * | 2012-11-08 | 2015-03-24 | Honeywell International Inc. | Azeotropes of isobutylene with fluoro-olefins |
MX370100B (es) | 2013-03-15 | 2019-12-02 | Chemours Co Fc Llc | Proceso para la reduccion de impurezas de alquino en fluoroolefinas. |
FR3003566B1 (fr) * | 2013-03-20 | 2018-07-06 | Arkema France | Composition comprenant hf et e-3,3,3-trifluoro-1-chloropropene |
FR3003565B1 (fr) | 2013-03-20 | 2018-06-29 | Arkema France | Composition comprenant hf et 2,3,3,3-tetrafluoropropene |
FR3003569B1 (fr) * | 2013-03-20 | 2015-12-25 | Arkema France | Composition comprenant hf et 1,3,3,3-tetrafluoropropene |
FR3003567B1 (fr) | 2013-03-20 | 2015-03-06 | Arkema France | Composition comprenant hf et 3,3,3-trifluoropropene |
FR3015478B1 (fr) | 2013-12-19 | 2015-12-25 | Arkema France | Compositions azeotropiques a base de fluorure d'hydrogene et de z-3,3,3-trifluoro-1-chloropropene |
CN110240535B (zh) * | 2014-08-14 | 2022-09-13 | 科慕埃弗西有限公司 | 通过脱氟化氢来制备E-1,3,3,3-四氟丙烯(HFC-1234ze)的方法 |
FR3056222B1 (fr) | 2016-09-19 | 2020-01-10 | Arkema France | Composition a base de 1-chloro-3,3,3-trifluoropropene |
CN106883095B (zh) * | 2016-12-28 | 2020-02-18 | 西安近代化学研究所 | 一种生产反式-1,3,3,3-四氟丙烯的工艺 |
CN106831316B (zh) * | 2016-12-28 | 2019-11-15 | 陕西延长石油集团氟硅化工有限公司 | 一种生产反式-1,3,3,3-四氟丙烯的方法 |
FR3077572B1 (fr) | 2018-02-05 | 2021-10-08 | Arkema France | Composition azeotropique ou quasi-azeotropique ternaire comprenant hf, 2,3,3,3-tetrafluoropropene et 1,1,1,2,2,-pentafluoropropane. |
US20210317055A1 (en) | 2018-07-18 | 2021-10-14 | The Chemours Company Fc, Llc | Production of haloolefins in an adiabatic reaction zone |
US11209196B2 (en) | 2018-10-26 | 2021-12-28 | The Chemours Company Fc, Llc | HFO-1234ZE, HFO-1225ZC and HFO-1234YF compositions and processes for producing and using the compositions |
BR112021022059A2 (pt) | 2018-10-26 | 2021-12-28 | Chemours Co Fc Llc | Composições de fluoropropeno, métodos de produção de uma mistura e de resfriamento, processos para transferência de calor, para tratamento de uma superfície e para formação de uma composição, sistema de refrigeração, aparelhos de refrigeração, uso da composição de fluoropropeno e método para substituição de um refrigerante |
JP2022512806A (ja) | 2018-10-26 | 2022-02-07 | ザ ケマーズ カンパニー エフシー リミテッド ライアビリティ カンパニー | Hfo-1234ze及びhfo-1234yf組成物及び組成物を製造及び使用するためのプロセス |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU1706690A1 (ru) | 1988-04-19 | 1992-01-23 | Всесоюзный Научно-Исследовательский Институт Технического Углерода | Пористый углеродный материал |
EP0467531B1 (en) † | 1990-07-04 | 1994-10-05 | Imperial Chemical Industries Plc | Process for the separation of 1,1,1,2-tetrafluoroethane from mixtures thereof with hydrogen fluoride and/or 1-chloro-2,2-difluoroethylene |
US6755942B1 (en) * | 1995-08-01 | 2004-06-29 | E. I. Du Pont De Nemours And Company | Process for the manufacture of halocarbons and selected compounds and azeotropes with HF |
JP2933014B2 (ja) † | 1996-01-23 | 1999-08-09 | ダイキン工業株式会社 | ペンタフルオロプロパンとフッ化水素の共沸混合物およびペンタフルオロプロパンの分離精製方法 |
US6001796A (en) † | 1996-07-03 | 1999-12-14 | Alliedsignal Inc. | Azeotrope-like compositions of 1,1,1,3,3-pentafluoropropane and hydrogen fluoride |
DE19701353C1 (de) | 1997-01-16 | 1998-03-12 | Siemens Ag | Verfahren zur Tankentlüftung bei einer Brennkraftmaschine |
US5986151A (en) * | 1997-02-05 | 1999-11-16 | Alliedsignal Inc. | Fluorinated propenes from pentafluoropropane |
US6031141A (en) | 1997-08-25 | 2000-02-29 | E. I. Du Pont De Nemours And Company | Fluoroolefin manufacturing process |
JP3886229B2 (ja) | 1997-11-11 | 2007-02-28 | セントラル硝子株式会社 | 1,3,3,3−テトラフルオロプロペンの製造法 |
US5918481A (en) * | 1997-11-20 | 1999-07-06 | Alliedsignal Inc. | Process for separating hydrogen fluoride from fluorocarbons |
US6407297B1 (en) † | 1997-11-25 | 2002-06-18 | Ineos Fluor Holdings Limited | Preparation of fluorine-containing organic compounds |
US5895825A (en) | 1997-12-01 | 1999-04-20 | Elf Atochem North America, Inc. | Preparation of 1,1,1,3,3-pentafluoropropane |
US6013846A (en) * | 1998-03-05 | 2000-01-11 | Elf Atochem North America, Inc. | Azeotrope of HF and 1233zd |
JP3518321B2 (ja) * | 1998-03-23 | 2004-04-12 | ダイキン工業株式会社 | 1,1,1,3,3−ペンタフルオロプロパンの製造方法 |
AU3377999A (en) * | 1998-04-03 | 1999-10-25 | E.I. Du Pont De Nemours And Company | Processes for the purification and use of 2-chloro-1,1,1,2,3,3,3-heptafluoropropane and azeotropes thereof with hf |
US6124510A (en) | 1998-07-21 | 2000-09-26 | Elf Atochem North America, Inc. | 1234ze preparation |
RU2210559C2 (ru) * | 1999-08-20 | 2003-08-20 | Институт элементоорганических соединений им.А.Н. Несмеянова РАН | Способ получения фторолефинов |
US6548719B1 (en) | 2001-09-25 | 2003-04-15 | Honeywell International | Process for producing fluoroolefins |
RU2318595C2 (ru) | 2002-08-22 | 2008-03-10 | Е.И.Дюпон Де Немур Энд Компани | Никельзамещенные и смешанные никель- и кобальтзамещенные хромоксидные композиции, их получение и применение в качестве катализаторов и предшественников катализаторов |
JP5133500B2 (ja) | 2002-08-22 | 2013-01-30 | イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー | コバルト置換酸化クロム組成物、それらの製造、および触媒および触媒前駆物質としてのそれらの使用 |
US7230146B2 (en) * | 2003-10-27 | 2007-06-12 | Honeywell International Inc. | Process for producing fluoropropenes |
CN102140329B (zh) † | 2002-10-25 | 2016-12-21 | 霍尼韦尔国际公司 | 含有氟取代烯烃的组合物 |
US7592494B2 (en) † | 2003-07-25 | 2009-09-22 | Honeywell International Inc. | Process for the manufacture of 1,3,3,3-tetrafluoropropene |
US8518293B2 (en) † | 2010-09-03 | 2013-08-27 | Honeywell International Inc. | 1,3,3,3-tetrafluoropropene process azeotropes with HF |
-
2006
- 2006-10-30 US US11/590,343 patent/US7423188B2/en active Active
- 2006-11-01 UA UAA200805161A patent/UA91721C2/ru unknown
- 2006-11-01 RU RU2008121885/04A patent/RU2466978C2/ru not_active IP Right Cessation
- 2006-11-01 CA CA002626080A patent/CA2626080A1/en not_active Abandoned
- 2006-11-01 KR KR1020087013110A patent/KR101438240B1/ko active IP Right Grant
- 2006-11-01 CN CNA200680040913XA patent/CN101300216A/zh active Pending
- 2006-11-01 BR BRPI0619654-3A patent/BRPI0619654A2/pt not_active IP Right Cessation
- 2006-11-01 EP EP06827294.7A patent/EP1948580B2/en active Active
- 2006-11-01 AR ARP060104800A patent/AR058502A1/es not_active Application Discontinuation
- 2006-11-01 WO PCT/US2006/042668 patent/WO2007053689A2/en active Application Filing
- 2006-11-01 MX MX2008005417A patent/MX2008005417A/es active IP Right Grant
- 2006-11-01 ES ES06827294T patent/ES2618540T5/es active Active
- 2006-11-01 CN CN201611197116.4A patent/CN106905108A/zh active Pending
- 2006-11-01 JP JP2008539003A patent/JP2009513715A/ja active Pending
- 2006-11-01 EP EP12177565A patent/EP2527313A1/en not_active Withdrawn
-
2012
- 2012-08-21 RU RU2012136107/04A patent/RU2012136107A/ru not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
CA2626080A1 (en) | 2007-05-10 |
WO2007053689A3 (en) | 2007-07-12 |
KR20080066840A (ko) | 2008-07-16 |
EP1948580A2 (en) | 2008-07-30 |
KR101438240B1 (ko) | 2014-09-04 |
JP2009513715A (ja) | 2009-04-02 |
EP2527313A1 (en) | 2012-11-28 |
WO2007053689A2 (en) | 2007-05-10 |
US7423188B2 (en) | 2008-09-09 |
US20070100173A1 (en) | 2007-05-03 |
RU2008121885A (ru) | 2009-12-10 |
MX2008005417A (es) | 2009-03-02 |
EP1948580B2 (en) | 2023-06-07 |
CN101300216A (zh) | 2008-11-05 |
CN106905108A (zh) | 2017-06-30 |
ES2618540T3 (es) | 2017-06-21 |
ES2618540T5 (es) | 2024-02-15 |
AR058502A1 (es) | 2008-02-06 |
RU2012136107A (ru) | 2014-02-27 |
EP1948580B1 (en) | 2016-12-21 |
BRPI0619654A2 (pt) | 2011-10-11 |
RU2466978C2 (ru) | 2012-11-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
UA91721C2 (ru) | Азеотропная композиция, способ получения е-1,3,3,3-тетрафторпропена, способ его отделения и очищения | |
UA95259C2 (ru) | Азеотропная или близкая к азеотропной композиция, содержащая 2,3,3,3-тетрафторпропен и фторид водорода, и способы отделения, получения и очищения 2,3,3,3-нетрафторпропена | |
UA95083C2 (ru) | Азеотропная или близкая к азеотропной композиции, которые содержат 1,1,1,2,3-пентафторопропен и фтороводород, способы отделения и получения 1,1,1,2,3-пентафторопропена | |
WO2008030615A3 (en) | Azeotrope compositions comprising 1,1,1,2,3-pentafluoropropene and hydrogen fluoride and uses thereof | |
MX2009002515A (es) | Composicion tipo azeotropo de 2-cloro-3,3,3-trifluoropropeno (hcfc-1233xf) y fluoruro de hidrogeno (hf). | |
MX2009001988A (es) | Composicion semejante a azeotropo de 2-cloro-1,1,1,2-tetrafluoropr opano (hcfc-244 bb) y fluoruro de hidrogeno (hf). | |
MX2009003492A (es) | Composiciones azeotropicas de 2-cloro-3,3,3-trifluoropropeno (hcfc-1233xf), 2-cloro-1,1,1,2-tetrafluoropropano (hcfc-244bb), y fluoruro de hidrogeno (hf). | |
MY145650A (en) | Azeotrope compositions comprising nonafluoropentene and hydrogen fluoride and uses thereof | |
EP1893320B8 (en) | Materials purification by treatment with hydrogen-based plasma | |
EP4311822A3 (en) | Azeotropic and azeotrope-like compositions of pentafluoropropene and methods of purifying the same | |
MX2009003206A (es) | Composiciones semejantes a azeotropo de 2-cloro-3,3,3,-trifluoropr open (hcfc-1233xf y 2-cloro-1,1,1,2-tetrafluoropropano (hcfc-244bb). | |
PL1779858T3 (pl) | Zastosowanie związków selenu, w szczególności drożdży selenowych, do zmieniania funkcji poznawczych | |
MX2010009080A (es) | Procesos para separar 2,3,3,3-tetrafluoropropeno de fluoruro de hidrogeno por medio de destilacion azeotropica. | |
CY1109168T1 (el) | Συνθεση νατριουχου φονταπαρινοξης υψηλης καθαροτητας | |
UA86599C2 (en) | Substituted benzimidazole-, benztriazole- and benzimidazolone-о-glucosides | |
WO2008140641A3 (en) | Pure paliperidone and processes for preparing thereof | |
MY154878A (en) | Process for purifying staurosporine | |
AU2002241953A1 (en) | Azeotrope-like composition of 1,2-dichloro-3,3,3-trifluoropropene and hydrogen fluoride | |
MX2012011220A (es) | Composicion de tipo azeotropo de 2, 3-dicloro-3, 3-difluoropropeno (hcfo-1232xf) y fluoruro de hidrogeno (hf). | |
MY147371A (en) | Composition containing oligosaccharides for the treatment / prevention of infections | |
EP2344434A4 (en) | AZEOTROPE COMPOSITIONS OF 1,1,2,3-TETRACHLORPROPEN AND HYDROGEN HYDROGEN | |
GB0216001D0 (en) | Process and composition | |
TW200728357A (en) | Polycarbosilane, manufacture method of the same, silicon dioxide based composition for coatings and silicon dioxide film | |
HK1112228A1 (en) | Substituted azachinzolines having an antiviral action | |
GB0320320D0 (en) | Novel compounds |