FR1144182A - Procédé de fabrication d'alcool polyvinylique pur - Google Patents

Procédé de fabrication d'alcool polyvinylique pur

Info

Publication number
FR1144182A
FR1144182A FR1144182DA FR1144182A FR 1144182 A FR1144182 A FR 1144182A FR 1144182D A FR1144182D A FR 1144182DA FR 1144182 A FR1144182 A FR 1144182A
Authority
FR
France
Prior art keywords
polyvinyl alcohol
pure polyvinyl
manufacturing pure
manufacturing
alcohol
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
Other languages
English (en)
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.)
Consortium fuer Elektrochemische Industrie GmbH
Original Assignee
Consortium fuer Elektrochemische Industrie GmbH
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 Consortium fuer Elektrochemische Industrie GmbH filed Critical Consortium fuer Elektrochemische Industrie GmbH
Application granted granted Critical
Publication of FR1144182A publication Critical patent/FR1144182A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C08F8/00—Chemical modification by after-treatment
    • C08F8/12—Hydrolysis
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/40—Portable
    • Y10T70/413—Padlocks
    • Y10T70/437—Key-controlled
    • Y10T70/446—Rigid shackle
    • Y10T70/465—Pivoted
    • Y10T70/474—Swinging detent
    • Y10T70/476—Free end only engaged

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR1144182D 1954-10-22 1955-10-22 Procédé de fabrication d'alcool polyvinylique pur Expired FR1144182A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE360809X 1954-10-22
DEC11800A DE1001821B (de) 1954-10-22 1954-10-22 Verfahren zur Herstellung von reinem Polyvinylalkohol

Publications (1)

Publication Number Publication Date
FR1144182A true FR1144182A (fr) 1957-10-10

Family

ID=25841833

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1144182D Expired FR1144182A (fr) 1954-10-22 1955-10-22 Procédé de fabrication d'alcool polyvinylique pur

Country Status (5)

Country Link
US (2) US2985636A (fr)
CH (1) CH360809A (fr)
DE (2) DE1001821B (fr)
FR (1) FR1144182A (fr)
GB (1) GB818294A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3041318A (en) * 1957-10-01 1962-06-26 American Cyanamid Co Process for recovering water soluble polymers
DE1243144B (de) * 1962-08-20 1967-06-29 Dr Ludwig Ziehl Extraktionskolonne zur Fluessig-Fluessig-Extraktion
US3523933A (en) * 1967-09-29 1970-08-11 Du Pont Production of partially alcoholyzed vinyl ester polymers
US3488159A (en) * 1969-05-06 1970-01-06 Atomic Energy Commission Jet-pulsed liquid-liquid extraction column
US3917720A (en) * 1973-05-30 1975-11-04 Gen Electric Continuous process for the production of a diol from a diol ester

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2248620A (en) * 1939-01-24 1941-07-08 Us Vitamin Corp Extraction apparatus
US2407820A (en) * 1943-03-23 1946-09-17 Shell Dev Process for separating aromatic hydrocarbons
US2629413A (en) * 1946-10-17 1953-02-24 Stettler Rudolf Registering chamber magazine handle
US2551987A (en) * 1946-12-09 1951-05-08 Carl S Weyandt Gas hammer starter
US2609277A (en) * 1947-02-24 1952-09-02 Phillips Petroleum Co Contacting of immiscible liquids
US2583991A (en) * 1947-09-05 1952-01-29 Du Pont Heterogeneous, acidic hydrolysis of polymeric esters with alkyl phosphoric acid esters
US2493265A (en) * 1947-11-26 1950-01-03 Hoffmann La Roche Extraction apparatus
US2642420A (en) * 1948-07-02 1953-06-16 Eastman Kodak Co Preparation of polyvinyl alcohol
US2667407A (en) * 1949-02-11 1954-01-26 Standard Oil Dev Co Liquid-liquid contact method and apparatus
CH310256A (de) * 1951-05-17 1955-10-15 Wacker Chemie Gmbh Verfahren zur Verseifung von in Wasser dispergierten, mindestens teilweise aus Vinylestern aufgebauten Polymerisaten.
US2662001A (en) * 1951-06-12 1953-12-08 William A Burns Plate design for pulse columns

Also Published As

Publication number Publication date
GB818294A (en) 1959-08-12
US2985636A (en) 1961-05-23
DE964443C (de) 1957-05-23
CH360809A (de) 1962-03-15
DE1001821B (de) 1957-01-31
US2985637A (en) 1961-05-23

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