IL133663A - A process for the synthesis of caprolactam - Google Patents

A process for the synthesis of caprolactam

Info

Publication number
IL133663A
IL133663A IL13366399A IL13366399A IL133663A IL 133663 A IL133663 A IL 133663A IL 13366399 A IL13366399 A IL 13366399A IL 13366399 A IL13366399 A IL 13366399A IL 133663 A IL133663 A IL 133663A
Authority
IL
Israel
Prior art keywords
zone
nitriting
ammonia
nox
hydroxylamine
Prior art date
Application number
IL13366399A
Other languages
English (en)
Hebrew (he)
Other versions
IL133663A0 (en
Original Assignee
Praxair Technology Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Praxair Technology Inc filed Critical Praxair Technology Inc
Publication of IL133663A0 publication Critical patent/IL133663A0/xx
Publication of IL133663A publication Critical patent/IL133663A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D227/00—Heterocyclic compounds containing rings having one nitrogen atom as the only ring hetero atom, according to more than one of groups C07D203/00 - C07D225/00
    • C07D227/02—Heterocyclic compounds containing rings having one nitrogen atom as the only ring hetero atom, according to more than one of groups C07D203/00 - C07D225/00 with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D227/06—Heterocyclic compounds containing rings having one nitrogen atom as the only ring hetero atom, according to more than one of groups C07D203/00 - C07D225/00 with only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D227/08—Oxygen atoms
    • C07D227/087—One doubly-bound oxygen atom in position 2, e.g. lactams
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
    • C07D201/02—Preparation of lactams
    • C07D201/04—Preparation of lactams from or via oximes by Beckmann rearrangement
    • C07D201/06—Preparation of lactams from or via oximes by Beckmann rearrangement from ketones by simultaneous oxime formation and rearrangement
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
    • C07D201/02—Preparation of lactams
    • C07D201/10—Preparation of lactams from cycloaliphatic compounds by simultaneous nitrosylation and rearrangement

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Treating Waste Gases (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
IL13366399A 1998-12-24 1999-12-22 A process for the synthesis of caprolactam IL133663A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/221,209 US6469163B1 (en) 1998-12-24 1998-12-24 Method for production of hydroxylamine sulfate in the conventional process for the synthesis of caprolactam

Publications (2)

Publication Number Publication Date
IL133663A0 IL133663A0 (en) 2001-04-30
IL133663A true IL133663A (en) 2004-07-25

Family

ID=22826835

Family Applications (1)

Application Number Title Priority Date Filing Date
IL13366399A IL133663A (en) 1998-12-24 1999-12-22 A process for the synthesis of caprolactam

Country Status (11)

Country Link
US (1) US6469163B1 (de)
EP (1) EP1013643B1 (de)
KR (1) KR100433876B1 (de)
CN (1) CN1142915C (de)
AT (1) ATE223892T1 (de)
BR (1) BR9905939A (de)
CA (1) CA2292904A1 (de)
DE (1) DE69902864T2 (de)
ES (1) ES2180249T3 (de)
IL (1) IL133663A (de)
PT (1) PT1013643E (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040134873A1 (en) * 1996-07-25 2004-07-15 Li Yao Abrasive-free chemical mechanical polishing composition and polishing process containing same

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH247713A (de) * 1941-12-15 1947-03-31 Ag Bata Verfahren zur Herstellung von E-Caprolaktam.
FR971311A (fr) * 1947-09-08 1951-01-16 Procédé pour préparer les lactames et leurs produits hydrolytiques
BE551022A (de) * 1955-09-14 1900-01-01
FR1202077A (fr) * 1957-09-20 1960-01-07 Basf Ag Procédé pour la production de eta-capryllactame
FR1539288A (fr) 1966-09-26 1968-09-13 Hoechst Ag Procédé d'oxydation des gaz nitreux
NL7004350A (de) 1970-03-26 1971-09-28 Stamicarbon
DE2130036B2 (de) * 1971-06-18 1977-02-10 Davy Powergas GmbH, 5000 Köln Verfahren zur herstellung von lactamen
GB1603630A (en) 1977-06-16 1981-11-25 Boc Ltd Gas-liquid contact process
GB2018731A (en) 1978-04-07 1979-10-24 Boc Ltd Gas-liquid contact process
NL8500608A (nl) 1985-03-05 1986-10-01 Stamicarbon Werkwijze voor de bereiding van stikstofmonoxide.
JPH02754A (ja) * 1988-02-17 1990-01-05 Sumitomo Chem Co Ltd シクロヘキサノンオキシムの製造方法
JP3263965B2 (ja) * 1991-02-13 2002-03-11 三菱化学株式会社 オキシムの製造方法
DE4331671A1 (de) * 1993-09-17 1995-03-23 Bayer Ag Verfahren zur selektiven katalytischen Oxidation organischer Verbindungen
DE4435239A1 (de) 1994-10-04 1996-04-11 Basf Ag Verfahren zur Herstellung von Hydroxylaminen aus Ammoniak oder den entsprechenden Aminen, Wasserstoff und Sauerstoff
KR970706249A (ko) * 1995-07-20 1997-11-03 미우라 아끼라 엡실론-카프로락탐의 제조방법(process for the preparation of epsilon-caprolactam)
CA2200996A1 (en) 1996-04-01 1997-10-01 Sandeep Bhatia Oxygen injection in nitric acid production
ID16932A (id) * 1996-05-23 1997-11-20 Praxair Technology Inc Penyemprot oksigen langsung dalam produksi asam nitrat
US5985230A (en) * 1996-10-03 1999-11-16 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Nitric acid production

Also Published As

Publication number Publication date
IL133663A0 (en) 2001-04-30
EP1013643B1 (de) 2002-09-11
US6469163B1 (en) 2002-10-22
CA2292904A1 (en) 2000-06-24
KR100433876B1 (ko) 2004-06-04
PT1013643E (pt) 2002-12-31
CN1142915C (zh) 2004-03-24
DE69902864D1 (de) 2002-10-17
KR20000062223A (ko) 2000-10-25
EP1013643A1 (de) 2000-06-28
CN1264702A (zh) 2000-08-30
ES2180249T3 (es) 2003-02-01
ATE223892T1 (de) 2002-09-15
DE69902864T2 (de) 2003-05-08
BR9905939A (pt) 2000-08-29

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Legal Events

Date Code Title Description
ERR Corrigendum

Free format text: JOURNAL 5/04 P. 1880 PATENT APPLICATION NO. 133663 CORRECT DATE OF PRIORITY TO- 19981224

FF Patent granted
KB Patent renewed
MM9K Patent not in force due to non-payment of renewal fees