CH252536A - Process for creating a white effect on paper. - Google Patents

Process for creating a white effect on paper.

Info

Publication number
CH252536A
CH252536A CH252536DA CH252536A CH 252536 A CH252536 A CH 252536A CH 252536D A CH252536D A CH 252536DA CH 252536 A CH252536 A CH 252536A
Authority
CH
Switzerland
Prior art keywords
creating
paper
white effect
white
effect
Prior art date
Application number
Other languages
German (de)
Inventor
Lever Brothers & Unilever Limited
Original Assignee
Lever Brothers & Unilever Limi
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
Priority claimed from GB913545A external-priority patent/GB595281A/en
Application filed by Lever Brothers & Unilever Limi filed Critical Lever Brothers & Unilever Limi
Publication of CH252536A publication Critical patent/CH252536A/en

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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/916—Fraud or tamper detecting
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S8/00—Bleaching and dyeing; fluid treatment and chemical modification of textiles and fibers
    • Y10S8/916—Natural fiber dyeing
    • Y10S8/918—Cellulose textile
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S8/00—Bleaching and dyeing; fluid treatment and chemical modification of textiles and fibers
    • Y10S8/916—Natural fiber dyeing
    • Y10S8/919—Paper
CH252536D 1945-04-12 1946-04-03 Process for creating a white effect on paper. CH252536A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB913545A GB595281A (en) 1945-04-12 Improvements in the treatment of paper

Publications (1)

Publication Number Publication Date
CH252536A true CH252536A (en) 1948-01-15

Family

ID=9866042

Family Applications (1)

Application Number Title Priority Date Filing Date
CH252536D CH252536A (en) 1945-04-12 1946-04-03 Process for creating a white effect on paper.

Country Status (4)

Country Link
US (1) US2528324A (en)
BE (1) BE464496A (en)
CH (1) CH252536A (en)
FR (1) FR925642A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2723288A (en) * 1955-11-08 Fluorescent agents
US2710285A (en) * 1951-08-11 1955-06-07 Davics Young Soap Company Paper coating composition containing an optical brightener
US2876130A (en) * 1955-12-21 1959-03-03 Palco Chemical Company Process for brightening suede
US3041200A (en) * 1958-08-28 1962-06-26 Champion Papers Inc Paper and process for manufacture

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2089413A (en) * 1937-08-10 Production of novel effects on
GB442530A (en) * 1934-08-08 1936-02-10 Ici Ltd Improvements in the preparation of safety paper

Also Published As

Publication number Publication date
BE464496A (en)
FR925642A (en) 1947-09-09
US2528324A (en) 1950-10-31

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