DE3319569A1 - Verfahren zur herstellung von optisch aufgehellten papieren - Google Patents

Verfahren zur herstellung von optisch aufgehellten papieren

Info

Publication number
DE3319569A1
DE3319569A1 DE19833319569 DE3319569A DE3319569A1 DE 3319569 A1 DE3319569 A1 DE 3319569A1 DE 19833319569 DE19833319569 DE 19833319569 DE 3319569 A DE3319569 A DE 3319569A DE 3319569 A1 DE3319569 A1 DE 3319569A1
Authority
DE
Germany
Prior art keywords
formula
paper
hydrogen
compound
added
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.)
Withdrawn
Application number
DE19833319569
Other languages
German (de)
English (en)
Inventor
John S. Heaton Bradford Cowman
Peter S. Menston Ilkley Littlewood
Stephen J. Guiseley Leeds O'Neil
Roger Bingley Paver
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.)
Sandoz AG
Sandoz Patent GmbH
Original Assignee
Sandoz AG
Sandoz Patent GmbH
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 Sandoz AG, Sandoz Patent GmbH filed Critical Sandoz AG
Publication of DE3319569A1 publication Critical patent/DE3319569A1/de
Withdrawn legal-status Critical Current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
    • 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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/03—Non-macromolecular organic compounds
    • D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
    • D21H17/17—Ketenes, e.g. ketene dimers

Landscapes

  • Paper (AREA)
DE19833319569 1982-06-09 1983-05-30 Verfahren zur herstellung von optisch aufgehellten papieren Withdrawn DE3319569A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8216697 1982-06-09

Publications (1)

Publication Number Publication Date
DE3319569A1 true DE3319569A1 (de) 1983-12-15

Family

ID=10530905

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19833319569 Withdrawn DE3319569A1 (de) 1982-06-09 1983-05-30 Verfahren zur herstellung von optisch aufgehellten papieren

Country Status (6)

Country Link
JP (1) JPS5915598A (OSRAM)
BR (1) BR8303043A (OSRAM)
DE (1) DE3319569A1 (OSRAM)
FR (1) FR2528461A1 (OSRAM)
GB (1) GB2122660B (OSRAM)
IT (1) IT1173720B (OSRAM)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4964951A (en) * 1987-05-29 1990-10-23 Security Tag Systems, Inc. Process for making secure paper product
JP2608096B2 (ja) * 1988-04-18 1997-05-07 三菱製紙株式会社 写真用支持体

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3025242A (en) * 1961-03-20 1962-03-13 Du Pont Whitening agent composition and process for its manufacture
DE1283083B (de) * 1961-12-08 1968-11-14 Bayer Ag Verfahren zur Herstellung von aufgehelltem Papier
DE1594874C3 (de) * 1966-05-03 1975-04-03 Sandoz Ag, Basel (Schweiz) Verfahren zum optischen Aufhellen von Textilien aus synthetischem Polyamid
GB1337583A (en) * 1970-03-24 1973-11-14 Ciba Geigy Uk Ltd Treatment of optical brightening agents
GB1373788A (en) * 1971-10-20 1974-11-13 Hercules Powder Co Ltd Sizing method and composition for use therein
DE2715864A1 (de) * 1976-04-14 1977-10-27 Ciba Geigy Ag Verfahren zum optischen aufhellen von papier

Also Published As

Publication number Publication date
IT1173720B (it) 1987-06-24
GB2122660B (en) 1985-12-18
FR2528461B1 (OSRAM) 1985-05-03
BR8303043A (pt) 1984-01-31
IT8348464A0 (it) 1983-06-09
FR2528461A1 (fr) 1983-12-16
IT8348464A1 (it) 1984-12-09
GB2122660A (en) 1984-01-18
JPS5915598A (ja) 1984-01-26
GB8315573D0 (en) 1983-07-13

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Legal Events

Date Code Title Description
8139 Disposal/non-payment of the annual fee