IN188835B - - Google Patents
Info
- Publication number
- IN188835B IN188835B IN764CA1997A IN188835B IN 188835 B IN188835 B IN 188835B IN 764CA1997 A IN764CA1997 A IN 764CA1997A IN 188835 B IN188835 B IN 188835B
- Authority
- IN
- India
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
- C07F9/655—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having oxygen atoms, with or without sulfur, selenium, or tellurium atoms, as the only ring hetero atoms
- C07F9/65515—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having oxygen atoms, with or without sulfur, selenium, or tellurium atoms, as the only ring hetero atoms the oxygen atom being part of a five-membered ring
- C07F9/65517—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having oxygen atoms, with or without sulfur, selenium, or tellurium atoms, as the only ring hetero atoms the oxygen atom being part of a five-membered ring condensed with carbocyclic rings or carbocyclic ring systems
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/49—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reaction with carbon monoxide
- C07C45/50—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reaction with carbon monoxide by oxo-reactions
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
- C07C45/67—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
- C07C45/68—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
- C07C45/72—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction of compounds containing >C = O groups with the same or other compounds containing >C = O groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
- C07C45/67—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
- C07C45/68—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
- C07C45/72—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction of compounds containing >C = O groups with the same or other compounds containing >C = O groups
- C07C45/74—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction of compounds containing >C = O groups with the same or other compounds containing >C = O groups combined with dehydration
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/06—Phosphorus compounds without P—C bonds
- C07F9/08—Esters of oxyacids of phosphorus
- C07F9/141—Esters of phosphorous acids
- C07F9/145—Esters of phosphorous acids with hydroxyaryl compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
- C07F9/553—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having one nitrogen atom as the only ring hetero atom
- C07F9/572—Five-membered rings
- C07F9/5728—Five-membered rings condensed with carbocyclic rings or carbocyclic ring systems
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
- C07F9/553—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having one nitrogen atom as the only ring hetero atom
- C07F9/576—Six-membered rings
- C07F9/58—Pyridine rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
- C07F9/553—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having one nitrogen atom as the only ring hetero atom
- C07F9/576—Six-membered rings
- C07F9/60—Quinoline or hydrogenated quinoline ring systems
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
- C07F9/553—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having one nitrogen atom as the only ring hetero atom
- C07F9/576—Six-membered rings
- C07F9/64—Acridine or hydrogenated acridine ring systems
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
- C07F9/645—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having two nitrogen atoms as the only ring hetero atoms
- C07F9/6503—Five-membered rings
- C07F9/6506—Five-membered rings having the nitrogen atoms in positions 1 and 3
- C07F9/65068—Five-membered rings having the nitrogen atoms in positions 1 and 3 condensed with carbocyclic rings or carbocyclic ring systems
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
- C07F9/645—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having two nitrogen atoms as the only ring hetero atoms
- C07F9/6509—Six-membered rings
- C07F9/650952—Six-membered rings having the nitrogen atoms in the positions 1 and 4
- C07F9/650994—Six-membered rings having the nitrogen atoms in the positions 1 and 4 condensed with carbocyclic rings or carbocyclic ring systems
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
- C07F9/645—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having two nitrogen atoms as the only ring hetero atoms
- C07F9/6509—Six-membered rings
- C07F9/6512—Six-membered rings having the nitrogen atoms in positions 1 and 3
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
- C07F9/645—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having two nitrogen atoms as the only ring hetero atoms
- C07F9/6509—Six-membered rings
- C07F9/6512—Six-membered rings having the nitrogen atoms in positions 1 and 3
- C07F9/65128—Six-membered rings having the nitrogen atoms in positions 1 and 3 condensed with carbocyclic rings or carbocyclic ring systems
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
- C07F9/6536—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having nitrogen and sulfur atoms with or without oxygen atoms, as the only ring hetero atoms
- C07F9/6539—Five-membered rings
- C07F9/6541—Five-membered rings condensed with carbocyclic rings or carbocyclic ring systems
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10918696 | 1996-04-30 | ||
JP10918596 | 1996-04-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
IN188835B true IN188835B (he) | 2002-11-09 |
Family
ID=26448969
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IN764CA1997 IN188835B (he) | 1996-04-30 | 1997-04-29 | |
IN344CA2002 IN191130B (he) | 1996-04-30 | 2002-05-31 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IN344CA2002 IN191130B (he) | 1996-04-30 | 2002-05-31 |
Country Status (6)
Country | Link |
---|---|
US (1) | US5910600A (he) |
CN (1) | CN1087298C (he) |
BR (1) | BR9701970A (he) |
DE (1) | DE19717359B4 (he) |
ID (1) | ID19009A (he) |
IN (2) | IN188835B (he) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ZA986369B (en) * | 1997-07-29 | 2000-01-17 | Du Pont | Hydrocyanation of diolefins and isomerization of nonconjugated 2-alkyl-3-monoalkenenitriles. |
MY124170A (en) | 1997-07-29 | 2006-06-30 | Invista Tech Sarl | Hydrocyanation processes and multidentate phosphite ligand and nickel catalyst compositions therefor |
ZA986374B (en) * | 1997-07-29 | 2000-01-17 | Du Pont | Hydrocyanation of diolefins and isomerization of nonconjugated 2-alkyl-3-monoalkenenitriles. |
US6515161B1 (en) | 1999-09-20 | 2003-02-04 | E. I. Du Pont De Nemours And Company | Hydroformylation process utilizing multidentate phosphite ligands |
US6380421B1 (en) | 1999-09-20 | 2002-04-30 | E. I. Du Pont De Nemours And Company | Multidentate phosphite ligands, catalytic compositions containing such ligands and catalytic processes utilizing such catalytic compositions |
US6307107B1 (en) * | 1999-09-20 | 2001-10-23 | E.I. Du Pont De Nemours And Company | Hydroformylation of acyclic monoethylenically unsaturated compounds to corresponding terminal aldehydes |
WO2001021580A1 (en) | 1999-09-20 | 2001-03-29 | E.I. Du Pont De Nemours And Company | Multidentate phosphite ligands, catalytic compositions containing such ligands and catalytic processes utilizing such catalytic compositions |
US6610891B1 (en) | 1999-12-03 | 2003-08-26 | Mitsubishi Chemical Corporation | Method of producing aldehydes |
BR0116914B1 (pt) * | 2001-03-08 | 2012-05-15 | processo para a produção de aldeìdos. | |
US6660876B2 (en) * | 2001-11-26 | 2003-12-09 | E. I. Du Pont De Nemours And Company | Phosphorus-containing compositions and their use in hydrocyanation, isomerization and hydroformylation reactions |
WO2004078766A1 (en) * | 2003-02-27 | 2004-09-16 | Mitsubishi Chemical Corporation | Optically active phosphites and phosphoramides bearing biphenol skeletons with axial chirality, and their use in catalytic asymmetric reactions |
WO2005090369A1 (ja) * | 2004-03-23 | 2005-09-29 | Kuraray. Co., Ltd. | ビスホスファイトおよび該ビスホスファイトを用いたアルデヒド化合物の製造方法 |
KR100596365B1 (ko) * | 2004-06-12 | 2006-07-03 | 주식회사 엘지화학 | 인을 포함하는 촉매 조성물 및 이를 이용한히드로포르밀화 방법 |
EP2414314B1 (en) * | 2009-03-31 | 2017-09-13 | Dow Technology Investments LLC | Hydroformylation process with triphenylphosphine and a doubly open-ended bisphosphite ligand |
CN102741209B (zh) † | 2009-12-22 | 2014-12-03 | 陶氏技术投资有限责任公司 | 通过控制烯烃分压来控制混合配体加氢甲酰化工艺中的正构∶异构醛比率 |
CN103153462B (zh) | 2010-10-05 | 2016-06-01 | 陶氏技术投资有限责任公司 | 加氢甲酰基化方法 |
US9458185B2 (en) | 2012-02-10 | 2016-10-04 | The Regents Of The University Of California | First row metal-based catalysts for hydosilylation |
EP3165529B1 (de) * | 2015-11-09 | 2018-09-05 | Evonik Degussa GmbH | Verfahren zur reduzierung des chlorgehalts von bisphosphiten mit 2,4-dimethylphenyl-einheiten |
PL3318569T3 (pl) * | 2016-11-08 | 2020-03-31 | Evonik Degussa Gmbh | Bisfosfoniany z jednostkami 2,4-tert.-butylofenylu i ich zastosowanie jako ligandów w hydroformylowaniu |
EP3318570B1 (de) | 2016-11-08 | 2019-08-07 | Evonik Degussa GmbH | Phosphorigsäure-p,p'-[5,5',6,6'-tetramethyl-3,3'-bis(1-methylethyl)[1,1'-biphenyl]-2,2'-diyl] p,p,p',p'-tetrakis(2,4-dimethylphenyl)-ester in der hydroformylierung |
SE1730036A1 (en) * | 2017-02-09 | 2018-08-10 | Perstorp Ab | Carbonylation process and ligand composition |
EP3674282B1 (en) | 2017-08-24 | 2021-09-22 | Mitsubishi Chemical Corporation | Bisphosphite compound, catalyst, production method of aldehydes, and production method of alcohol |
JP6798636B1 (ja) * | 2019-10-31 | 2020-12-09 | 三菱ケミカル株式会社 | フェノール化合物のナトリウム塩の製造方法 |
CN114075244B (zh) * | 2020-08-18 | 2024-06-04 | 中国石油化工股份有限公司 | 一种双齿亚磷酸酯及其纯化方法和应用 |
CN114075245B (zh) * | 2020-08-18 | 2024-06-04 | 中国石油化工股份有限公司 | 一种双齿亚磷酸酯配体及其制备方法和应用 |
WO2023228077A1 (en) | 2022-05-23 | 2023-11-30 | Inv Nylon Chemicals Americas, Llc | Multidentate phosphite ligands, catalytic compositions containing such ligands, and catalytic processes utilizing such catalytic compositions |
WO2023228075A1 (en) | 2022-05-23 | 2023-11-30 | Inv Nylon Chemicals Americas, Llc | Multidentate phosphite ligands, catalytic compositions containing such ligands, and catalytic processes utilizing such catalytic compositions |
WO2024028722A1 (en) | 2022-08-02 | 2024-02-08 | Inv Nylon Chemicals Americas, Llc | Bidentate phosphite ligands, catalytic compositions containing such ligands, and catalytic processes utilizing such catalytic compositions |
WO2024028718A1 (en) | 2022-08-02 | 2024-02-08 | Inv Nylon Chemicals Americas, Llc | Bidfntate phosphite ligands. catalytic compositions containing such ligands. and catalytic processes utilizing such catalytic compositions |
WO2024028719A2 (en) | 2022-08-02 | 2024-02-08 | Inv Nylon Chemicals Americas, Llc | Bidentate phosphite ligands, catalytic compositions containing such ligands, and catalytic processes utilizing such catalytic compositions |
WO2024028720A1 (en) | 2022-08-02 | 2024-02-08 | Inv Nylon Chemicals Americas, Llc | Bidentate phosphite ligands, catalytic compositions containing such ligands, and catalytic processes utilizing such catalytic compositions |
WO2024028717A1 (en) | 2022-08-02 | 2024-02-08 | Inv Nylon Chemicals Americas, Llc | Arsenic-containing ligands, catalytic compositions containing such ligands, and catalytic processes utilizing such catalytic compositions |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL300485A (he) * | 1962-11-30 | |||
US3694485A (en) * | 1967-11-06 | 1972-09-26 | Du Pont | Hydrocyanation of olefins |
US3646173A (en) * | 1969-05-29 | 1972-02-29 | Hooker Chemical Corp | Process for preparing bisphosphite esters of alkylidene diphenol |
US4748261A (en) * | 1985-09-05 | 1988-05-31 | Union Carbide Corporation | Bis-phosphite compounds |
CA2019870A1 (en) * | 1989-06-27 | 1990-12-28 | Toshifumi Nonaka | Polyarylene sulfide resin composition |
JP3416956B2 (ja) * | 1991-06-11 | 2003-06-16 | 三菱化学株式会社 | ヒドロホルミル化法およびビスホスファイト化合物 |
TW213465B (he) * | 1991-06-11 | 1993-09-21 | Mitsubishi Chemicals Co Ltd | |
US5312996A (en) * | 1992-06-29 | 1994-05-17 | Union Carbide Chemicals & Plastics Technology Corporation | Hydroformylation process for producing 1,6-hexanedials |
TW315370B (he) * | 1994-10-07 | 1997-09-11 | Du Pont | |
IN187044B (he) * | 1995-01-27 | 2002-01-05 | Du Pont |
-
1997
- 1997-04-24 DE DE19717359.4A patent/DE19717359B4/de not_active Expired - Lifetime
- 1997-04-28 US US08/845,835 patent/US5910600A/en not_active Expired - Lifetime
- 1997-04-28 ID IDP971416A patent/ID19009A/id unknown
- 1997-04-29 IN IN764CA1997 patent/IN188835B/en unknown
- 1997-04-30 BR BR9701970A patent/BR9701970A/pt not_active Application Discontinuation
- 1997-04-30 CN CN97110860A patent/CN1087298C/zh not_active Expired - Lifetime
-
2002
- 2002-05-31 IN IN344CA2002 patent/IN191130B/en unknown
Also Published As
Publication number | Publication date |
---|---|
CN1167769A (zh) | 1997-12-17 |
DE19717359B4 (de) | 2014-10-30 |
IN191130B (he) | 2003-09-27 |
ID19009A (id) | 1998-05-28 |
US5910600A (en) | 1999-06-08 |
DE19717359A1 (de) | 1997-11-06 |
CN1087298C (zh) | 2002-07-10 |
BR9701970A (pt) | 1998-09-15 |