BR8906505A - Processo para purificacao de i,i-bis(clorofenil) -2,2,2-tricloroetanol tecnico - Google Patents

Processo para purificacao de i,i-bis(clorofenil) -2,2,2-tricloroetanol tecnico

Info

Publication number
BR8906505A
BR8906505A BR898906505A BR8906505A BR8906505A BR 8906505 A BR8906505 A BR 8906505A BR 898906505 A BR898906505 A BR 898906505A BR 8906505 A BR8906505 A BR 8906505A BR 8906505 A BR8906505 A BR 8906505A
Authority
BR
Brazil
Prior art keywords
tricloroetanol
tecnico
chlorophenyl
bis
purification
Prior art date
Application number
BR898906505A
Other languages
English (en)
Inventor
Jaime Palencia Adrubau
Jaume Castella Sola
Original Assignee
Desarrollos Quimicos S A Soc E
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 Desarrollos Quimicos S A Soc E filed Critical Desarrollos Quimicos S A Soc E
Publication of BR8906505A publication Critical patent/BR8906505A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C33/00—Unsaturated compounds having hydroxy or O-metal groups bound to acyclic carbon atoms
    • C07C33/40—Halogenated unsaturated alcohols
    • C07C33/46—Halogenated unsaturated alcohols containing only six-membered aromatic rings as cyclic parts
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
    • C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
    • C07C29/86—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by liquid-liquid treatment
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12C—BEER; PREPARATION OF BEER BY FERMENTATION; PREPARATION OF MALT FOR MAKING BEER; PREPARATION OF HOPS FOR MAKING BEER
    • C12C11/00—Fermentation processes for beer
    • C12C11/02—Pitching yeast

Landscapes

  • Organic Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Mycology (AREA)
  • Food Science & Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Microbiology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BR898906505A 1988-12-16 1989-12-15 Processo para purificacao de i,i-bis(clorofenil) -2,2,2-tricloroetanol tecnico BR8906505A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES8803818A ES2009460A6 (es) 1988-12-16 1988-12-16 Procedimiento para la purificacion de 1,1-bis (clorofenil)-2,2,2-tricloroetanol tecnico.

Publications (1)

Publication Number Publication Date
BR8906505A true BR8906505A (pt) 1990-08-28

Family

ID=8259405

Family Applications (1)

Application Number Title Priority Date Filing Date
BR898906505A BR8906505A (pt) 1988-12-16 1989-12-15 Processo para purificacao de i,i-bis(clorofenil) -2,2,2-tricloroetanol tecnico

Country Status (3)

Country Link
US (1) US5075512A (pt)
BR (1) BR8906505A (pt)
ES (1) ES2009460A6 (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2032243B1 (es) * 1990-06-27 1994-01-16 Desarrollos Quimicos S A Soc E Procedimiento para la obtencion del 1,1-bis (4-clorofenil)-2,2,2-tricloroetanol.
US5245091A (en) * 1990-06-22 1993-09-14 Elf Atochem S.A. Process for the preparation of 1,1-bis(chlorophenyl)-2,2,2-trichloroethanol

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB685133A (en) * 1950-01-21 1952-12-31 Geigy Ag J R Aryl-trichloroethanols and their manufacture
US4705902A (en) * 1985-10-03 1987-11-10 Rohm And Haas Company DDTR-free 1,1-bis(chlorophenyl)-2,2,2-trichloroethanol

Also Published As

Publication number Publication date
US5075512A (en) 1991-12-24
ES2009460A6 (es) 1989-09-16

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Legal Events

Date Code Title Description
FF Decision: intention to grant
KD Notifcation of receipt (letter patent)
FG Letter patent granted
B21A Expiry acc. art. 78, item i of ipl- expiry of the term of protection

Free format text: PATENTE EXTINTA EM 15/12/2009