HU188301B - Process for preparing 3-bromo-4-fluoro-benzaldehyde acetals - Google Patents

Process for preparing 3-bromo-4-fluoro-benzaldehyde acetals Download PDF

Info

Publication number
HU188301B
HU188301B HU275481A HU275481A HU188301B HU 188301 B HU188301 B HU 188301B HU 275481 A HU275481 A HU 275481A HU 275481 A HU275481 A HU 275481A HU 188301 B HU188301 B HU 188301B
Authority
HU
Hungary
Prior art keywords
formula
bromo
fluoro
discs
acid
Prior art date
Application number
HU275481A
Other languages
English (en)
Hungarian (hu)
Inventor
Fritz Mauer
Uwe Priesnitz
Hans-Jochem Riebel
Bernd Gallenkamp
Erich Klauke
Original Assignee
Bayer Ag,De
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 Bayer Ag,De filed Critical Bayer Ag,De
Publication of HU188301B publication Critical patent/HU188301B/hu

Links

Classifications

    • DTEXTILES; PAPER
    • D02YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02GCRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G1/00Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
    • D02G1/02Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist
    • D02G1/04Devices for imparting false twist
    • D02G1/08Rollers or other friction causing elements
    • D02G1/087Rollers or other friction causing elements between the flanks of rotating discs

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
HU275481A 1980-07-09 1981-09-24 Process for preparing 3-bromo-4-fluoro-benzaldehyde acetals HU188301B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19803025921 DE3025921A1 (de) 1980-07-09 1980-07-09 Friktionsfalschdraller zum falschdrahttecturieren synthetischer faeden

Publications (1)

Publication Number Publication Date
HU188301B true HU188301B (en) 1986-04-28

Family

ID=6106739

Family Applications (1)

Application Number Title Priority Date Filing Date
HU275481A HU188301B (en) 1980-07-09 1981-09-24 Process for preparing 3-bromo-4-fluoro-benzaldehyde acetals

Country Status (4)

Country Link
JP (1) JPS5789629A (enrdf_load_stackoverflow)
DE (1) DE3025921A1 (enrdf_load_stackoverflow)
GB (1) GB2079794B (enrdf_load_stackoverflow)
HU (1) HU188301B (enrdf_load_stackoverflow)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2991614A (en) * 1953-03-25 1961-07-11 Ubbelohde Leo False twisting apparatus for producing crimped filamentary materials
US3772873A (en) * 1970-12-24 1973-11-20 Teijin Ltd Process for false-twisting a yarn
DE2928522A1 (de) * 1979-07-14 1981-01-29 Barmag Barmer Maschf Vorrichtung zum zwirnen oder texturieren von textilfaeden
DE3066049D1 (en) * 1979-07-14 1984-02-09 Barmag Barmer Maschf Apparatus for false-twisting yarns, and application of this apparatus to make a yarn

Also Published As

Publication number Publication date
GB2079794A (en) 1982-01-27
GB2079794B (en) 1983-12-07
DE3025921A1 (de) 1982-01-28
JPS5789629A (en) 1982-06-04
JPS6356329B2 (enrdf_load_stackoverflow) 1988-11-08
DE3025921C2 (enrdf_load_stackoverflow) 1988-07-07

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Legal Events

Date Code Title Description
HU90 Patent valid on 900628
HMM4 Cancellation of final prot. due to non-payment of fee