ES416442A1 - Mejoras introducidas en un procedimiento de fabricacion de polioles por recuperacion del acido formico y eliminacion delas poliosas. - Google Patents

Mejoras introducidas en un procedimiento de fabricacion de polioles por recuperacion del acido formico y eliminacion delas poliosas.

Info

Publication number
ES416442A1
ES416442A1 ES416442A ES416442A ES416442A1 ES 416442 A1 ES416442 A1 ES 416442A1 ES 416442 A ES416442 A ES 416442A ES 416442 A ES416442 A ES 416442A ES 416442 A1 ES416442 A1 ES 416442A1
Authority
ES
Spain
Prior art keywords
formic acid
solvent
solvent phase
polyol
polyols
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES416442A
Other languages
English (en)
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Produits Chimiques Ugine Kuhlmann
Pechiney SA
Original Assignee
Produits Chimiques Ugine Kuhlmann
Ugine Kuhlmann SA
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 Produits Chimiques Ugine Kuhlmann, Ugine Kuhlmann SA filed Critical Produits Chimiques Ugine Kuhlmann
Publication of ES416442A1 publication Critical patent/ES416442A1/es
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • C07C51/48—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2420/00—Metallocene catalysts
    • C08F2420/09—Cyclic bridge, i.e. Cp or analog where the bridging unit linking the two Cps or analogs is part of a cyclic group

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Extraction Or Liquid Replacement (AREA)
ES416442A 1972-07-07 1973-06-28 Mejoras introducidas en un procedimiento de fabricacion de polioles por recuperacion del acido formico y eliminacion delas poliosas. Expired ES416442A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7224619A FR2192088B1 (enrdf_load_stackoverflow) 1972-07-07 1972-07-07

Publications (1)

Publication Number Publication Date
ES416442A1 true ES416442A1 (es) 1976-05-01

Family

ID=9101515

Family Applications (1)

Application Number Title Priority Date Filing Date
ES416442A Expired ES416442A1 (es) 1972-07-07 1973-06-28 Mejoras introducidas en un procedimiento de fabricacion de polioles por recuperacion del acido formico y eliminacion delas poliosas.

Country Status (12)

Country Link
AT (1) AT323712B (enrdf_load_stackoverflow)
BE (1) BE802038A (enrdf_load_stackoverflow)
CA (1) CA1039751A (enrdf_load_stackoverflow)
DE (1) DE2332137A1 (enrdf_load_stackoverflow)
ES (1) ES416442A1 (enrdf_load_stackoverflow)
FR (1) FR2192088B1 (enrdf_load_stackoverflow)
GB (1) GB1429237A (enrdf_load_stackoverflow)
IE (1) IE37865B1 (enrdf_load_stackoverflow)
IT (1) IT991656B (enrdf_load_stackoverflow)
LU (1) LU67855A1 (enrdf_load_stackoverflow)
NL (1) NL7308690A (enrdf_load_stackoverflow)
SE (1) SE407404B (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101942035B (zh) * 2010-09-07 2012-03-28 天津强微特生物科技有限公司 一种根瘤菌胞外多糖的提取及精制方法

Also Published As

Publication number Publication date
DE2332137A1 (de) 1974-01-24
FR2192088A1 (enrdf_load_stackoverflow) 1974-02-08
LU67855A1 (enrdf_load_stackoverflow) 1973-08-30
AT323712B (de) 1975-07-25
IE37865B1 (en) 1977-10-26
SE407404B (sv) 1979-03-26
IE37865L (en) 1974-01-07
BE802038A (fr) 1974-01-07
CA1039751A (fr) 1978-10-03
NL7308690A (enrdf_load_stackoverflow) 1974-01-09
IT991656B (it) 1975-08-30
FR2192088B1 (enrdf_load_stackoverflow) 1980-07-25
GB1429237A (en) 1976-03-24

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