GB1572196A - Production of porous filaments and their uses - Google Patents

Production of porous filaments and their uses Download PDF

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Publication number
GB1572196A
GB1572196A GB50824/77A GB5082477A GB1572196A GB 1572196 A GB1572196 A GB 1572196A GB 50824/77 A GB50824/77 A GB 50824/77A GB 5082477 A GB5082477 A GB 5082477A GB 1572196 A GB1572196 A GB 1572196A
Authority
GB
United Kingdom
Prior art keywords
filaments
porous
filament
filament according
grams
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
GB50824/77A
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.)
SnamProgetti SpA
Original Assignee
SnamProgetti SpA
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 SnamProgetti SpA filed Critical SnamProgetti SpA
Publication of GB1572196A publication Critical patent/GB1572196A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002Organic membrane manufacture
    • B01D67/0023Organic membrane manufacture by inducing porosity into non porous precursor membranes
    • B01D67/003Organic membrane manufacture by inducing porosity into non porous precursor membranes by selective elimination of components, e.g. by leaching
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D15/00Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28014Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
    • B01J20/28023Fibres or filaments
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J47/00Ion-exchange processes in general; Apparatus therefor
    • B01J47/12Ion-exchange processes in general; Apparatus therefor characterised by the use of ion-exchange material in the form of ribbons, filaments, fibres or sheets, e.g. membranes
    • B01J47/127Ion-exchange processes in general; Apparatus therefor characterised by the use of ion-exchange material in the form of ribbons, filaments, fibres or sheets, e.g. membranes in the form of filaments or fibres
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N11/00Carrier-bound or immobilised enzymes; Carrier-bound or immobilised microbial cells; Preparation thereof
    • C12N11/02Enzymes or microbial cells immobilised on or in an organic carrier
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F1/00General methods for the manufacture of artificial filaments or the like
    • D01F1/02Addition of substances to the spinning solution or to the melt

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Zoology (AREA)
  • Wood Science & Technology (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Genetics & Genomics (AREA)
  • Biotechnology (AREA)
  • General Health & Medical Sciences (AREA)
  • Microbiology (AREA)
  • Textile Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Artificial Filaments (AREA)
  • Peptides Or Proteins (AREA)
  • Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Reinforced Plastic Materials (AREA)
  • Preliminary Treatment Of Fibers (AREA)
GB50824/77A 1976-12-23 1977-12-06 Production of porous filaments and their uses Expired GB1572196A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT30799/76A IT1065294B (it) 1976-12-23 1976-12-23 Procedimento per la preparazione di fibre a struttura porosa,fibre porose cosi'ottenute e impieghi delle stesse

Publications (1)

Publication Number Publication Date
GB1572196A true GB1572196A (en) 1980-07-23

Family

ID=11232128

Family Applications (1)

Application Number Title Priority Date Filing Date
GB50824/77A Expired GB1572196A (en) 1976-12-23 1977-12-06 Production of porous filaments and their uses

Country Status (18)

Country Link
JP (1) JPS5381718A (enExample)
AU (1) AU509081B2 (enExample)
BE (1) BE862287A (enExample)
CH (1) CH636381A5 (enExample)
CS (1) CS208154B2 (enExample)
DD (2) DD142897A5 (enExample)
DE (1) DE2757787B2 (enExample)
DK (1) DK575677A (enExample)
FR (1) FR2375280A1 (enExample)
GB (1) GB1572196A (enExample)
HU (1) HU177739B (enExample)
IT (1) IT1065294B (enExample)
LU (1) LU78740A1 (enExample)
NL (1) NL7714212A (enExample)
NO (1) NO774403L (enExample)
SE (1) SE432113B (enExample)
YU (1) YU299777A (enExample)
ZA (1) ZA776996B (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2755341C2 (de) 1977-12-12 1983-09-08 Akzo Gmbh, 5600 Wuppertal Hydrophile Polyesterfasern
DE2906056A1 (de) * 1979-02-16 1980-08-28 Linde Ag Verfahren zur rueckgewinnung der salze der anthrachinondisulfonsaeure aus einem waschfluessigkeitsstrom
JPS56140113A (en) * 1980-03-28 1981-11-02 Kuraray Co Ltd Synthetic polyvinyl alcohol fiber having improved adhesive property to cement and its preparation
FR2565841B1 (fr) * 1984-06-14 1989-08-18 Inst Nat Rech Chimique Materiau a grande surface specifique et ses applications pour favoriser le contact entre des milieux ou des reactifs impliquant des phenomenes physiques et/ou chimiques, et/ou biologiques

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE342820A (enExample) * 1925-09-17
GB802689A (en) * 1955-08-06 1958-10-08 British Nylon Spinners Ltd Improvements in or relating to yarn comprising crimped filaments and its manufacture
IL32406A (en) * 1968-06-26 1973-01-30 Snam Progetti Enzyme preparations comprising a solution or dispersion of enzyme occluded in filaments of cellulose esters or synthetic polymers
IT941398B (it) * 1971-04-28 1973-03-01 Snam Progetti Dispositivo atto a realizzare anali si nel campo della chimica organica
IT1012509B (it) * 1971-05-26 1977-03-10 Snam Progetti Procedimento per la preparazione di composti organici contenenti atomi marcati
DE2158124C3 (de) * 1971-11-24 1975-03-13 Boehringer Mannheim Gmbh, 6800 Mannheim Verwendung von Polyamidvlies oder -filz als saugfähiger Träger für diagnostische Mittel
JPS4911793A (enExample) * 1972-05-10 1974-02-01
JPS554842B2 (enExample) * 1972-06-30 1980-02-01
CH586726A5 (enExample) * 1972-08-02 1977-04-15 Basf Ag
IT1017564B (it) * 1974-04-30 1977-08-10 Snam Progetti Processo per la preparazione di derivati adeninici funzionalizza ti e prodotti cosi ottenuti
IT1046849B (it) * 1974-06-12 1980-07-31 Snam Progetti Processo per la preparazione di derivati adeninici macromolecola rizzati e prodotti cosi ottenuti

Also Published As

Publication number Publication date
ZA776996B (en) 1978-09-27
AU3099377A (en) 1979-06-28
FR2375280B1 (enExample) 1981-06-19
FR2375280A1 (fr) 1978-07-21
DE2757787B2 (de) 1979-08-16
HU177739B (en) 1981-12-28
DD142897A5 (de) 1980-07-16
DE2757787A1 (de) 1978-06-29
NL7714212A (nl) 1978-06-27
LU78740A1 (enExample) 1978-04-17
AU509081B2 (en) 1980-04-17
DD136856A5 (de) 1979-08-01
BE862287A (fr) 1978-06-23
IT1065294B (it) 1985-02-25
SE432113B (sv) 1984-03-19
DK575677A (da) 1978-06-24
JPS5381718A (en) 1978-07-19
CS208154B2 (en) 1981-08-31
SE7714702L (sv) 1978-06-24
NO774403L (no) 1978-06-26
YU299777A (en) 1982-08-31
CH636381A5 (en) 1983-05-31

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee