BR7902047A - Processo para fabricacao de acido salicilico puro - Google Patents

Processo para fabricacao de acido salicilico puro

Info

Publication number
BR7902047A
BR7902047A BR7902047A BR7902047A BR7902047A BR 7902047 A BR7902047 A BR 7902047A BR 7902047 A BR7902047 A BR 7902047A BR 7902047 A BR7902047 A BR 7902047A BR 7902047 A BR7902047 A BR 7902047A
Authority
BR
Brazil
Prior art keywords
pure
manufacture
salicilic acid
salicilic
acid
Prior art date
Application number
BR7902047A
Other languages
English (en)
Inventor
D Mcdonald
R Briggs
E Moore
R Hoffman
Original Assignee
Dow Chemical Co
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 Dow Chemical Co filed Critical Dow Chemical Co
Publication of BR7902047A publication Critical patent/BR7902047A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/02—Preparation of carboxylic acids or their salts, halides or anhydrides from salts of carboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Developing Agents For Electrophotography (AREA)
BR7902047A 1978-04-07 1979-04-04 Processo para fabricacao de acido salicilico puro BR7902047A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/894,222 US4137258A (en) 1978-04-07 1978-04-07 Process for making pure salicylic acid

Publications (1)

Publication Number Publication Date
BR7902047A true BR7902047A (pt) 1979-11-27

Family

ID=25402774

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7902047A BR7902047A (pt) 1978-04-07 1979-04-04 Processo para fabricacao de acido salicilico puro

Country Status (5)

Country Link
US (1) US4137258A (pt)
JP (1) JPS54132545A (pt)
BR (1) BR7902047A (pt)
CA (1) CA1120057A (pt)
NL (1) NL7902725A (pt)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3405912A1 (de) * 1984-02-18 1985-08-22 Merck Patent Gmbh, 6100 Darmstadt Verfahren und mittel zur bestimmung von nitrationen
CA2384032C (en) * 2002-04-30 2009-12-08 Martin Faucher Overhead track anchor system
US8062588B2 (en) 2006-03-22 2011-11-22 Zimek Technologies Ip, Llc Ultrasonic sanitation device and associated methods
US7780909B2 (en) * 2006-03-22 2010-08-24 Zimek Technologies Ip, Llc Ultrasonic sanitation and disinfecting methods
US7959859B2 (en) * 2006-03-22 2011-06-14 Sparks David W Ultrasonic sanitation device and associated methods
PL2812304T3 (pl) * 2012-02-08 2018-10-31 Purac Biochem Bv Zakwaszanie karboksylanów
CN103073394B (zh) * 2013-02-01 2015-07-29 河北敬业化工股份有限公司 一种由水杨酸升华残渣生产苯酚的方法
PL423698A1 (pl) * 2017-12-04 2019-06-17 Valeant Pharmaceuticals Ireland Sposób wytwarzania kwasu salicylowego o podwyższonej czystości

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB766887A (en) * 1954-02-19 1957-01-30 Monsanto Chemicals Improvements relating to the purification of salicylic acid and other substances
US2891090A (en) * 1954-12-30 1959-06-16 Monsanto Chemicals Purification of salicylic acid derivatives
US3337616A (en) * 1964-12-18 1967-08-22 Dow Chemical Co Preparation of salicylic acids
US3359307A (en) * 1965-03-10 1967-12-19 Dow Chemical Co Production of purified salicylic acid
DE1643542A1 (de) * 1966-10-05 1971-07-22 Tenneco Chem Verfahren zur Reinigung organischer Saeuren
US3530174A (en) * 1966-10-05 1970-09-22 Tenneco Chem Purification of organic acids
JPS538843B2 (pt) * 1972-05-11 1978-04-01

Also Published As

Publication number Publication date
JPS6236511B2 (pt) 1987-08-07
JPS54132545A (en) 1979-10-15
US4137258A (en) 1979-01-30
NL7902725A (nl) 1979-10-09
CA1120057A (en) 1982-03-16

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