FR2472050B1 - - Google Patents

Info

Publication number
FR2472050B1
FR2472050B1 FR8023726A FR8023726A FR2472050B1 FR 2472050 B1 FR2472050 B1 FR 2472050B1 FR 8023726 A FR8023726 A FR 8023726A FR 8023726 A FR8023726 A FR 8023726A FR 2472050 B1 FR2472050 B1 FR 2472050B1
Authority
FR
France
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
FR8023726A
Other versions
FR2472050A1 (fr
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.)
APITAL PROD IND
Original Assignee
APITAL PROD IND
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 APITAL PROD IND filed Critical APITAL PROD IND
Publication of FR2472050A1 publication Critical patent/FR2472050A1/fr
Application granted granted Critical
Publication of FR2472050B1 publication Critical patent/FR2472050B1/fr
Granted 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
    • 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
    • D06L4/686—Fugitive optical brightening; Discharge of optical brighteners in discharge paste; Blueing; Differential optical brightening

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Paper (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
  • Detergent Compositions (AREA)
FR8023726A 1979-12-21 1980-11-06 Procede pour l'elimination de la fluorescence des azurants optiques Granted FR2472050A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT28326/79A IT1127312B (it) 1979-12-21 1979-12-21 Procedimento per l'eliminazione della fluorescenza dei candeggianti ottici

Publications (2)

Publication Number Publication Date
FR2472050A1 FR2472050A1 (fr) 1981-06-26
FR2472050B1 true FR2472050B1 (fr) 1984-10-26

Family

ID=11223367

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8023726A Granted FR2472050A1 (fr) 1979-12-21 1980-11-06 Procede pour l'elimination de la fluorescence des azurants optiques

Country Status (4)

Country Link
US (1) US4328069A (fr)
FR (1) FR2472050A1 (fr)
GB (1) GB2066317B (fr)
IT (1) IT1127312B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH677167B5 (fr) * 1985-05-08 1991-10-31 Sandoz Ag
GB8518489D0 (en) * 1985-07-22 1985-08-29 Sandoz Ltd Organic compounds
ITMI20121647A1 (it) * 2012-10-02 2014-04-03 3V Sigma Spa Abbattitori di fluorescenza per il trattamento superficiale della carta

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1268802A (en) * 1968-03-15 1972-03-29 Sandoz Ltd Process for counteracting the brightening effect due to an optical brightener
CH572128A5 (fr) * 1973-10-19 1976-01-30 Sandoz Ag
US4098454A (en) * 1976-11-08 1978-07-04 Easter Robert C Newspaper receptacle

Also Published As

Publication number Publication date
US4328069A (en) 1982-05-04
GB2066317A (en) 1981-07-08
GB2066317B (en) 1983-07-27
FR2472050A1 (fr) 1981-06-26
IT7928326A0 (it) 1979-12-21
IT1127312B (it) 1986-05-21

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Legal Events

Date Code Title Description
TP Transmission of property
CD Change of name or company name
ST Notification of lapse