CH281596A - Process for the preparation of a new naphthylpropionic acid. - Google Patents

Process for the preparation of a new naphthylpropionic acid.

Info

Publication number
CH281596A
CH281596A CH281596DA CH281596A CH 281596 A CH281596 A CH 281596A CH 281596D A CH281596D A CH 281596DA CH 281596 A CH281596 A CH 281596A
Authority
CH
Switzerland
Prior art keywords
preparation
new
naphthylpropionic acid
naphthylpropionic
acid
Prior art date
Application number
Other languages
German (de)
Inventor
Aktiengesellschaft Ciba
Original Assignee
Ciba Geigy
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 Ciba Geigy filed Critical Ciba Geigy
Publication of CH281596A publication Critical patent/CH281596A/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D1/00—Treatment of filament-forming or like material
    • D01D1/10—Filtering or de-aerating the spinning solution or melt
    • D01D1/103—De-aerating
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/46—Post-polymerisation treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Polyamides (AREA)
CH281596D 1949-11-23 1948-07-30 Process for the preparation of a new naphthylpropionic acid. CH281596A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH693376X 1949-11-23

Publications (1)

Publication Number Publication Date
CH281596A true CH281596A (en) 1952-03-15

Family

ID=4529420

Family Applications (2)

Application Number Title Priority Date Filing Date
CH281596D CH281596A (en) 1949-11-23 1948-07-30 Process for the preparation of a new naphthylpropionic acid.
CH281096D CH281096A (en) 1949-11-23 1949-11-23 Process for removing monomers from lactam polymerization products.

Family Applications After (1)

Application Number Title Priority Date Filing Date
CH281096D CH281096A (en) 1949-11-23 1949-11-23 Process for removing monomers from lactam polymerization products.

Country Status (5)

Country Link
BE (1) BE498427A (en)
CH (2) CH281596A (en)
FR (1) FR1023648A (en)
GB (1) GB693376A (en)
NL (1) NL154065B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL95935C (en) * 1955-02-10
NL82877C (en) * 1955-02-14
BE548810A (en) * 1955-07-23
NL213266A (en) * 1955-12-22
BE570443A (en) * 1957-09-28
DE10248571A1 (en) * 2002-10-17 2004-04-29 Bayer Ag A process for polymer evaporation involving extrusion of a mixture of polymer and residual monomers, oligomers, and solvent useful for separating the volatile components of polymers

Also Published As

Publication number Publication date
CH281096A (en) 1952-02-29
NL154065B (en)
BE498427A (en)
GB693376A (en) 1953-07-01
FR1023648A (en) 1953-03-20

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