NL61528C - - Google Patents

Info

Publication number
NL61528C
NL61528C NL61528DA NL61528C NL 61528 C NL61528 C NL 61528C NL 61528D A NL61528D A NL 61528DA NL 61528 C NL61528 C NL 61528C
Authority
NL
Netherlands
Application number
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.)
Publication of NL61528C publication Critical patent/NL61528C/xx

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)
NL61528D 1944-09-29 NL61528C (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
NL61528C true NL61528C (de)

Family

ID=4523438

Family Applications (1)

Application Number Title Priority Date Filing Date
NL61528D NL61528C (de) 1944-09-29

Country Status (3)

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

Families Citing this family (6)

* 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
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
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
CH253876A (de) 1948-03-31
GB611510A (en) 1948-11-01
CH246967A (de) 1947-02-15

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