DE3769831D1 - Mischungen von optischen aufhellern. - Google Patents

Mischungen von optischen aufhellern.

Info

Publication number
DE3769831D1
DE3769831D1 DE8787810231T DE3769831T DE3769831D1 DE 3769831 D1 DE3769831 D1 DE 3769831D1 DE 8787810231 T DE8787810231 T DE 8787810231T DE 3769831 T DE3769831 T DE 3769831T DE 3769831 D1 DE3769831 D1 DE 3769831D1
Authority
DE
Germany
Prior art keywords
mixtures
optical brighteners
brighteners
optical
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 - Lifetime
Application number
DE8787810231T
Other languages
English (en)
Inventor
Heinz Dr Hefti
Klaus Dr Artz
Kurt Dr Weber
Kurt Dr Burdeska
Dieter Dr Reinehr
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.)
Novartis AG
Original Assignee
Ciba Geigy AG
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 Ciba Geigy AG filed Critical Ciba Geigy AG
Application granted granted Critical
Publication of DE3769831D1 publication Critical patent/DE3769831D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • D06L4/65—Optical bleaching or brightening with mixtures of optical brighteners
DE8787810231T 1986-04-18 1987-04-10 Mischungen von optischen aufhellern. Expired - Lifetime DE3769831D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH156686 1986-04-18

Publications (1)

Publication Number Publication Date
DE3769831D1 true DE3769831D1 (de) 1991-06-13

Family

ID=4213419

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787810231T Expired - Lifetime DE3769831D1 (de) 1986-04-18 1987-04-10 Mischungen von optischen aufhellern.

Country Status (5)

Country Link
US (1) US4889655A (de)
EP (1) EP0242335B1 (de)
JP (1) JPS62252469A (de)
BR (1) BR8701856A (de)
DE (1) DE3769831D1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110790733A (zh) * 2019-10-18 2020-02-14 湖北彩德新材料科技有限公司 一种荧光增白剂pf及其制备方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA582970A (en) * 1955-12-20 1959-09-08 Geigy Wilheim Process for the optical brightening of polyester fibers
CH577062B5 (de) * 1973-09-05 1976-06-30 Ciba Geigy Ag
CH603513A5 (de) * 1975-02-05 1978-08-15 Sandoz Ag
US4196229A (en) * 1975-02-05 1980-04-01 Sandoz Ltd. Substituted divinyl stilbenes as optical brighteners
DE2929591A1 (de) * 1979-07-21 1981-02-05 Hoechst Ag Mischungen von optischen aufhellern
US4363744A (en) * 1979-09-10 1982-12-14 Hoechst Aktiengesellschaft Mixtures of optical brighteners and their use for the optical brightening
US4338079A (en) * 1979-12-21 1982-07-06 Allis-Chalmers Corporation Method and apparatus for subjecting mineral particles to gas flow
DE3027479A1 (de) * 1980-07-19 1982-03-04 Hoechst Ag, 6000 Frankfurt Mischungen von optischen aufhellern und deren verwendung
US4666627A (en) * 1983-05-08 1987-05-19 Ciba-Geigy Corporation 4-Heterocyclylvinyl-4-'styryl-biphenyls

Also Published As

Publication number Publication date
BR8701856A (pt) 1988-01-26
JPS62252469A (ja) 1987-11-04
EP0242335B1 (de) 1991-05-08
US4889655A (en) 1989-12-26
EP0242335A1 (de) 1987-10-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee