DE69835067D1 - Sehr weisses, durchsichtiges oder transluzentes Papier, und Verfahren zu seiner Herstellung - Google Patents

Sehr weisses, durchsichtiges oder transluzentes Papier, und Verfahren zu seiner Herstellung

Info

Publication number
DE69835067D1
DE69835067D1 DE69835067T DE69835067T DE69835067D1 DE 69835067 D1 DE69835067 D1 DE 69835067D1 DE 69835067 T DE69835067 T DE 69835067T DE 69835067 T DE69835067 T DE 69835067T DE 69835067 D1 DE69835067 D1 DE 69835067D1
Authority
DE
Germany
Prior art keywords
paper
translucent
white
preparation
degree
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 - Fee Related
Application number
DE69835067T
Other languages
English (en)
Other versions
DE69835067T2 (de
Inventor
Emeric Thibierge
Jean-Francois Loeillot
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.)
Thibierge and Comar
Original Assignee
Thibierge and Comar
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9514211&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69835067(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Thibierge and Comar filed Critical Thibierge and Comar
Publication of DE69835067D1 publication Critical patent/DE69835067D1/de
Application granted granted Critical
Publication of DE69835067T2 publication Critical patent/DE69835067T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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

Landscapes

  • Paper (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
DE69835067T 1997-11-29 1998-11-28 Sehr weisses, durchsichtiges oder transluzentes Papier, und Verfahren zu seiner Herstellung Expired - Fee Related DE69835067T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9715363 1997-11-29
FR9715363A FR2771758B1 (fr) 1997-11-29 1997-11-29 Papier transparent ou translucide extra blanc et son procede de fabrication

Publications (2)

Publication Number Publication Date
DE69835067D1 true DE69835067D1 (de) 2006-08-10
DE69835067T2 DE69835067T2 (de) 2007-05-16

Family

ID=9514211

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69835067T Expired - Fee Related DE69835067T2 (de) 1997-11-29 1998-11-28 Sehr weisses, durchsichtiges oder transluzentes Papier, und Verfahren zu seiner Herstellung

Country Status (5)

Country Link
EP (1) EP0919664B1 (de)
AT (1) ATE331840T1 (de)
DE (1) DE69835067T2 (de)
ES (1) ES2267173T3 (de)
FR (1) FR2771758B1 (de)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1369202A (en) * 1971-08-10 1974-10-02 Ciba Geigy Ag Optical brightening of paper
DE2715864A1 (de) * 1976-04-14 1977-10-27 Ciba Geigy Ag Verfahren zum optischen aufhellen von papier
US4210488A (en) * 1977-10-13 1980-07-01 Reuss Peter J Process for improving the dry strength of paper and for improving the effect of optical brighteners in the preparation or coating of paper
IT1246376B (it) * 1990-04-11 1994-11-18 Sigma Prodotti Chimici Srl Patina per carta
GB9422280D0 (en) * 1994-11-04 1994-12-21 Ciba Geigy Ag Fluorescent whitening agent formulation

Also Published As

Publication number Publication date
FR2771758B1 (fr) 2000-01-21
ES2267173T3 (es) 2007-03-01
EP0919664B1 (de) 2006-06-28
DE69835067T2 (de) 2007-05-16
ATE331840T1 (de) 2006-07-15
FR2771758A1 (fr) 1999-06-04
EP0919664A1 (de) 1999-06-02

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8339 Ceased/non-payment of the annual fee