YU31791B - Postupak za preciscavanje laktama - Google Patents

Postupak za preciscavanje laktama

Info

Publication number
YU31791B
YU31791B YU1125/66A YU112566A YU31791B YU 31791 B YU31791 B YU 31791B YU 1125/66 A YU1125/66 A YU 1125/66A YU 112566 A YU112566 A YU 112566A YU 31791 B YU31791 B YU 31791B
Authority
YU
Yugoslavia
Prior art keywords
preciscavanje
laktama
postupak
preciscavanje laktama
Prior art date
Application number
YU1125/66A
Other languages
English (en)
Other versions
YU112566A (en
Inventor
C Berther
R Sailer
Original Assignee
Inventa Ag
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 Inventa Ag filed Critical Inventa Ag
Publication of YU112566A publication Critical patent/YU112566A/xx
Publication of YU31791B publication Critical patent/YU31791B/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
    • C07D201/16—Separation or purification
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/04—Solvent extraction of solutions which are liquid
    • B01D11/0488—Flow sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/0036—Crystallisation on to a bed of product crystals; Seeding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/0059—General arrangements of crystallisation plant, e.g. flow sheets

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Polyamides (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
YU1125/66A 1965-06-15 1966-06-15 Postupak za preciscavanje laktama YU31791B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH830065A CH450433A (de) 1965-06-15 1965-06-15 Verfahren zur Reinigung von Lactamen

Publications (2)

Publication Number Publication Date
YU112566A YU112566A (en) 1973-06-30
YU31791B true YU31791B (en) 1973-12-31

Family

ID=4338186

Family Applications (1)

Application Number Title Priority Date Filing Date
YU1125/66A YU31791B (en) 1965-06-15 1966-06-15 Postupak za preciscavanje laktama

Country Status (7)

Country Link
US (1) US3476744A (xx)
BE (1) BE682555A (xx)
CH (1) CH450433A (xx)
DE (1) DE1695247C3 (xx)
GB (1) GB1078249A (xx)
NL (1) NL142953B (xx)
YU (1) YU31791B (xx)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2019431C2 (de) * 1970-04-22 1981-10-15 Bayer Ag, 5090 Leverkusen Verfahren zur Reinigung von Caprolactam
CH549020A (de) * 1970-12-22 1974-05-15 Inventa Ag Verfahren zur reinigung von lactamen.
US3966712A (en) * 1972-05-19 1976-06-29 Bayer Aktiengesellschaft Process for the purification of caprolactam
US4148792A (en) * 1976-09-15 1979-04-10 Bayer Aktiengesellschaft Purification of caprolactam
DE2845075A1 (de) * 1978-10-17 1980-05-08 Basf Ag Verfahren zur reinigung von rohcaprolactam
US4554817A (en) * 1983-05-10 1985-11-26 Trw Inc. Valve sleeve shaping method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3179657A (en) * 1965-04-20 Process for purifying caprolactam
US3145198A (en) * 1964-08-18 piija
US2813858A (en) * 1954-08-26 1957-11-19 Allied Chem & Dye Corp Process for purifying epsilon-caprolactam

Also Published As

Publication number Publication date
GB1078249A (en) 1967-08-09
DE1695247A1 (de) 1972-05-10
NL142953B (nl) 1974-08-15
CH450433A (de) 1968-01-31
BE682555A (xx) 1966-12-15
DE1695247C3 (de) 1975-05-28
US3476744A (en) 1969-11-04
NL6608223A (xx) 1966-12-16
YU112566A (en) 1973-06-30
DE1695247B2 (de) 1974-10-03

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