GB611510A - Process for improving the whiteness or colour of materials - Google Patents

Process for improving the whiteness or colour of materials

Info

Publication number
GB611510A
GB611510A GB15717/45A GB1571745A GB611510A GB 611510 A GB611510 A GB 611510A GB 15717/45 A GB15717/45 A GB 15717/45A GB 1571745 A GB1571745 A GB 1571745A GB 611510 A GB611510 A GB 611510A
Authority
GB
United Kingdom
Prior art keywords
double bonds
aromatic
residue
compounds
obtainable
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
GB15717/45A
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.)
BASF Schweiz AG
Original Assignee
Ciba AG
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 AG filed Critical Ciba AG
Publication of GB611510A publication Critical patent/GB611510A/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/30—Luminescent or fluorescent substances, e.g. for optical bleaching
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F1/00—General methods for the manufacture of artificial filaments or the like
    • D01F1/02—Addition of substances to the spinning solution or to the melt
    • D01F1/10—Other agents for modifying properties
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
    • D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
    • D06L4/60—Optical bleaching or brightening

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Paper (AREA)
GB15717/45A 1944-09-29 1945-06-20 Process for improving the whiteness or colour of materials Expired GB611510A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH611510X 1944-09-29

Publications (1)

Publication Number Publication Date
GB611510A true GB611510A (en) 1948-11-01

Family

ID=4523438

Family Applications (1)

Application Number Title Priority Date Filing Date
GB15717/45A Expired GB611510A (en) 1944-09-29 1945-06-20 Process for improving the whiteness or colour of materials

Country Status (3)

Country Link
CH (2) CH253876A (enrdf_load_stackoverflow)
GB (1) GB611510A (enrdf_load_stackoverflow)
NL (1) NL61528C (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2875089A (en) * 1959-02-24 Process for the optical brightening of
US2950207A (en) * 1957-11-07 1960-08-23 American Enka Corp Production of filaments having improved whiteness
DE1094696B (de) * 1955-02-15 1960-12-15 Ciba Geigy Verfahren zum optischen Aufhellen von Materialien aus Polyestern
DE1302051B (de) * 1955-04-21 1969-11-13 Sterling Drug Inc Verwendung von Benzimidazolylstilben-Verbindungen als optische Aufhellungsmittel

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE957131C (de) * 1954-07-10 1957-01-31 Ruhr Stickstoff Ag Verfahren zur Aufhellung von verfaerbtem, metallsalzhaltigem Ammoniumsulfat aus Kokereien und Gasanstalten, das besonders als Duengemittel verwendet wird
DE1011406B (de) * 1955-01-21 1957-07-04 Gelsenkirchener Bergwerks Ag Verfahren zur Herstellung eines technischen, weissen, farb- und lagerbestaendigen Ammoniumsulfats

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2875089A (en) * 1959-02-24 Process for the optical brightening of
DE1094696B (de) * 1955-02-15 1960-12-15 Ciba Geigy Verfahren zum optischen Aufhellen von Materialien aus Polyestern
DE1302051B (de) * 1955-04-21 1969-11-13 Sterling Drug Inc Verwendung von Benzimidazolylstilben-Verbindungen als optische Aufhellungsmittel
US2950207A (en) * 1957-11-07 1960-08-23 American Enka Corp Production of filaments having improved whiteness

Also Published As

Publication number Publication date
CH246967A (de) 1947-02-15
NL61528C (enrdf_load_stackoverflow)
CH253876A (de) 1948-03-31

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