AT231962B - Verfahren zur Herstellung sehr kleiner Kapseln - Google Patents

Verfahren zur Herstellung sehr kleiner Kapseln

Info

Publication number
AT231962B
AT231962B AT810661A AT810661A AT231962B AT 231962 B AT231962 B AT 231962B AT 810661 A AT810661 A AT 810661A AT 810661 A AT810661 A AT 810661A AT 231962 B AT231962 B AT 231962B
Authority
AT
Austria
Prior art keywords
making
small capsules
capsules
small
Prior art date
Application number
AT810661A
Other languages
English (en)
Original Assignee
Ncr 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 Ncr Co filed Critical Ncr Co
Application granted granted Critical
Publication of AT231962B publication Critical patent/AT231962B/de

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08BPOLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B1/00Preparatory treatment of cellulose for making derivatives thereof, e.g. pre-treatment, pre-soaking, activation
    • C08B1/003Preparation of cellulose solutions, i.e. dopes, with different possible solvents, e.g. ionic liquids
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08BPOLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B3/00Preparation of cellulose esters of organic acids
    • C08B3/06Cellulose acetate, e.g. mono-acetate, di-acetate or tri-acetate
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08BPOLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B3/00Preparation of cellulose esters of organic acids
    • C08B3/22Post-esterification treatments, including purification
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00Processes of treating or compounding macromolecular substances
    • C08J3/02Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
    • C08J3/09Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in organic liquids
    • C08J3/091Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in organic liquids characterised by the chemical constitution of the organic liquid

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
AT810661A 1960-10-28 1961-10-27 Verfahren zur Herstellung sehr kleiner Kapseln AT231962B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US231962XA 1960-10-28 1960-10-28

Publications (1)

Publication Number Publication Date
AT231962B true AT231962B (de) 1964-02-25

Family

ID=21813631

Family Applications (1)

Application Number Title Priority Date Filing Date
AT810661A AT231962B (de) 1960-10-28 1961-10-27 Verfahren zur Herstellung sehr kleiner Kapseln

Country Status (1)

Country Link
AT (1) AT231962B (de)

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