CN1062856C - 异氰酸酯的制备方法 - Google Patents

异氰酸酯的制备方法 Download PDF

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Publication number
CN1062856C
CN1062856C CN94195038A CN94195038A CN1062856C CN 1062856 C CN1062856 C CN 1062856C CN 94195038 A CN94195038 A CN 94195038A CN 94195038 A CN94195038 A CN 94195038A CN 1062856 C CN1062856 C CN 1062856C
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CN
China
Prior art keywords
solvent
organic
acid
salt
alkali
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.)
Expired - Fee Related
Application number
CN94195038A
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English (en)
Chinese (zh)
Other versions
CN1143952A (zh
Inventor
W·D·麦吉
M·D·巴斯特
D·P·莱利
K·W·卢蒂曼
A·J·索罗达
T·E·沃尔曼
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Solutia Inc
Original Assignee
Monsanto Co
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Publication date
Application filed by Monsanto Co filed Critical Monsanto Co
Publication of CN1143952A publication Critical patent/CN1143952A/zh
Application granted granted Critical
Publication of CN1062856C publication Critical patent/CN1062856C/zh
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Expired - Fee Related legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00—Preparation of derivatives of isocyanic acid
    • C07C263/04—Preparation of derivatives of isocyanic acid from or via carbamates or carbamoyl halides

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CN94195038A 1993-12-27 1994-11-23 异氰酸酯的制备方法 Expired - Fee Related CN1062856C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/173,010 1993-12-27
US08/173,010 US5451697A (en) 1993-12-27 1993-12-27 Process for preparing isocyanates

Publications (2)

Publication Number Publication Date
CN1143952A CN1143952A (zh) 1997-02-26
CN1062856C true CN1062856C (zh) 2001-03-07

Family

ID=22630132

Family Applications (1)

Application Number Title Priority Date Filing Date
CN94195038A Expired - Fee Related CN1062856C (zh) 1993-12-27 1994-11-23 异氰酸酯的制备方法

Country Status (8)

Country Link
US (1) US5451697A (enExample)
JP (1) JP3510260B2 (enExample)
CN (1) CN1062856C (enExample)
AU (1) AU683971B2 (enExample)
CA (1) CA2178750C (enExample)
NZ (1) NZ277640A (enExample)
TW (1) TW286315B (enExample)
WO (1) WO1995018098A1 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4331085A1 (de) * 1993-09-13 1995-03-16 Basf Ag Stabile, nach phosgenfreien Verfahren erhältliche Polyisocyanatzusammensetzungen und ein Verfahren zu ihrer Herstellung
US7504806B2 (en) * 2005-10-21 2009-03-17 Schweitzer Engineering Laboratories, Inc. Apparatus and methods for controlling operation of a single-phase voltage regulator in a three-phase power system
US7271572B2 (en) * 2005-10-24 2007-09-18 Schweitzer Engineering Laboratories, Inc. Apparatus and methods for providing a voltage adjustment for single-phase voltage regulator operation in a three-phase power system
EP2011782A1 (en) * 2007-07-02 2009-01-07 Huntsman International Llc Process for the synthesis of carbamates using co2
EP2036884A1 (en) 2007-09-14 2009-03-18 Repsol Ypf S.A. Process for producing fluorinated isocyanates and carbamates
US10626290B2 (en) * 2013-12-16 2020-04-21 Ppg Industries Ohio, Inc. Method of extending pot life of coating compositions

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5189205A (en) * 1992-03-16 1993-02-23 Monsanto Compamy Process for preparing isocyanates

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2829095A (en) * 1955-09-03 1958-04-01 Noguchi Kenkyu Jo Process for the production of acidic and alkaline solution from salt solution by multi-compartment electrolysis
US3481967A (en) * 1966-04-01 1969-12-02 Olin Mathieson Process for preparing aromatic isocyanates
US4064151A (en) * 1976-05-17 1977-12-20 United Carbide Corporation Halosilyl carbamates
US4022791A (en) * 1975-06-03 1977-05-10 Pfizer Inc. 2-Aminomethyl-3,4-dihydronaphthalenes
US4024043A (en) * 1975-12-31 1977-05-17 Allied Chemical Corporation Single film, high performance bipolar membrane
US4116889A (en) * 1976-08-19 1978-09-26 Allied Chemical Corporation Bipolar membranes and method of making same
DE2735265C2 (de) * 1977-08-05 1979-09-27 Basf Ag, 6700 Ludwigshafen Verfahren zur Herstellung von symmetrischen Dialkylharnstoffen
US4192815A (en) * 1978-06-22 1980-03-11 Glushakov Sergei N Method of preparing isocyanates
DE2908251A1 (de) * 1979-03-02 1980-09-11 Bayer Ag Verfahren zur herstellung von urethanen
DE2943480A1 (de) * 1979-10-27 1981-05-07 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von n,o-disubstituierten urethanen, sowie ihre verwendung als ausgangsmaterial zur herstellung von isocyanaten
DE3046982A1 (de) * 1980-12-12 1982-07-15 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von urethanen
US4341898A (en) * 1981-05-18 1982-07-27 Air Products And Chemicals, Inc. Synthesis of isocyanates from nitroalkanes
US4504373A (en) * 1982-06-01 1985-03-12 Allied Corporation Electrodialytic water splitting process and apparatus for conversion of alkali metal sulfate values derived from spent rayon spin baths
DE3346719A1 (de) * 1983-12-23 1985-07-04 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von ammoniumcarbamat
DE4041571A1 (de) * 1990-12-22 1992-06-25 Basf Ag Verfahren zur freisetzung von organischen sulfonsaeuren
US5349081A (en) * 1993-01-21 1994-09-20 Monsanto Company Process for preparing isocyanates

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5189205A (en) * 1992-03-16 1993-02-23 Monsanto Compamy Process for preparing isocyanates

Also Published As

Publication number Publication date
TW286315B (enExample) 1996-09-21
US5451697A (en) 1995-09-19
AU1294395A (en) 1995-07-17
JPH09507225A (ja) 1997-07-22
WO1995018098A1 (en) 1995-07-06
NZ277640A (en) 1997-02-24
JP3510260B2 (ja) 2004-03-22
AU683971B2 (en) 1997-11-27
CA2178750A1 (en) 1995-07-06
CN1143952A (zh) 1997-02-26
CA2178750C (en) 2005-03-29

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C06 Publication
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Owner name: PHARMACIA CORP.

Free format text: FORMER NAME OR ADDRESS: MONSANTO CO.

CP01 Change in the name or title of a patent holder

Patentee after: Pharmacia Corp.

Patentee before: Monsanto, Co.

ASS Succession or assignment of patent right

Owner name: SOLUTIA CORP.

Free format text: FORMER OWNER: PHARMACIA CORP.

Effective date: 20030328

C41 Transfer of patent application or patent right or utility model
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Patentee after: Sorotia Co.

Patentee before: Pharmacia Corp.

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20010307

Termination date: 20121123