BR8803787A - PROCESS TO PURIFY CAPROLACTAMA - Google Patents

PROCESS TO PURIFY CAPROLACTAMA

Info

Publication number
BR8803787A
BR8803787A BR8803787A BR8803787A BR8803787A BR 8803787 A BR8803787 A BR 8803787A BR 8803787 A BR8803787 A BR 8803787A BR 8803787 A BR8803787 A BR 8803787A BR 8803787 A BR8803787 A BR 8803787A
Authority
BR
Brazil
Prior art keywords
caprolactama
purify
purify caprolactama
Prior art date
Application number
BR8803787A
Other languages
Portuguese (pt)
Inventor
Paolo Senni
Leandro Zuliani
Sergio Ferruzzi
Original Assignee
Friuli Chim Spa
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 Friuli Chim Spa filed Critical Friuli Chim Spa
Publication of BR8803787A publication Critical patent/BR8803787A/en

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Other In-Based Heterocyclic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
BR8803787A 1987-07-31 1988-07-29 PROCESS TO PURIFY CAPROLACTAMA BR8803787A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT21548/87A IT1222419B (en) 1987-07-31 1987-07-31 CAPROLATTAME PURIFICATION PROCESS

Publications (1)

Publication Number Publication Date
BR8803787A true BR8803787A (en) 1989-02-21

Family

ID=11183439

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8803787A BR8803787A (en) 1987-07-31 1988-07-29 PROCESS TO PURIFY CAPROLACTAMA

Country Status (8)

Country Link
AR (1) AR244664A1 (en)
BR (1) BR8803787A (en)
CA (1) CA1309404C (en)
DE (1) DE3825524A1 (en)
ES (1) ES2007278A6 (en)
IN (1) IN171456B (en)
IT (1) IT1222419B (en)
SU (1) SU1709905A3 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2781796B1 (en) † 1998-07-28 2000-09-22 Rhone Poulenc Fibres LACTAM DEHYDRATION PROCESS
KR20040031007A (en) * 2001-08-27 2004-04-09 디에스엠 아이피 어셋츠 비.브이. Process for distilling alkaline caprolactam product at reduced pressure

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1173261B (en) * 1984-02-08 1987-06-18 Snia Bpd Spa CAPROLATTAME PURIFICATION PROCESS

Also Published As

Publication number Publication date
SU1709905A3 (en) 1992-01-30
AR244664A1 (en) 1993-11-30
IT8721548A0 (en) 1987-07-31
ES2007278A6 (en) 1989-06-01
IT1222419B (en) 1990-09-05
IN171456B (en) 1992-10-17
CA1309404C (en) 1992-10-27
DE3825524A1 (en) 1989-02-09

Similar Documents

Publication Publication Date Title
BR8403842A (en) PROCESS TO PREPARE ETHYLENE-GLYCOES
BR9100220A (en) PROCESS TO MAKE ASPERO ALUMINIO
BR8904007A (en) PROCESS TO PURIFY CRUDE GLYCEROL
BR9301108A (en) PROCESS TO MAKE TERPOLIMERS CONTAINING AMINOACRYLOYL
BR8503173A (en) PROCESS TO PRODUCE SILICIOUS EXTRUDED
BR8506340A (en) TANTALO PURIFICATION PROCESS
BR8907121A (en) PROCESS TO PREPARE LINEARLY EXTENDED POLYALKYLENOPOLYAMINS
PT84415B (en) ALPHA-1-ANTIPROTEASE PURIFICATION PROCESS
BR8602622A (en) PROCESS TO PREPARE POLYPOXIDES
BR8604182A (en) PROCESS FOR THE PRODUCTION OF ETERES
BR8803598A (en) PROCESS TO OBTAIN VERMICULITE LAMELAS
BR8907277A (en) PROCESS TO PREPARE MONO-N-ALKYLATED POLYAZAMACROCYCLES
ES2022053A4 (en) PROCESS TO PURIFY N-PHOSPHONOMETILGLICINA
BR8305347A (en) PERFECT PROCESS TO PRODUCE METANE
BR8703166A (en) PROCESS TO PRODUCE DIMETHYLAMINE
BR8807699A (en) SILICON PURIFICATION PROCESS
ES2016229A4 (en) PROCESS TO PRODUCE N-PHOSPHONOMETILGLICINA
BR8900621A (en) PROCESS TO PREPARE N-PHOSPHONO-METHYL-IMINO-DIACETIC ACID
BR8903092A (en) PROCESS TO PREPARE ARYLSULPHONY ISOCIANATES
BR8900146A (en) 2-HYDROXY-NAFTALENE-6-CARBOXYLIC ACID PURIFICATION PROCESS
BR8600803A (en) PROCESS TO PRODUCE CONDENSERS
BR8602120A (en) PROCESS TO PREPARE DIALKYL DISSULPHETS
BR8302433A (en) PROCESS TO PRODUCE ALQUI-TER-BUTILICOS ETERES
BR8603782A (en) PROCESS TO MAKE ALUMINA
BR8501287A (en) PROCESS TO PREPARE CRYSTALLINE ZEOLITE

Legal Events

Date Code Title Description
FB19 Grant procedure suspended (art. 19)
FF Decision: intention to grant
FG Letter patent granted
TC Change of name
TE Change of address
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 29/07/2003