GB1360314A - New pyrene derivatives as optical brighteners - Google Patents

New pyrene derivatives as optical brighteners

Info

Publication number
GB1360314A
GB1360314A GB3007772A GB3007772A GB1360314A GB 1360314 A GB1360314 A GB 1360314A GB 3007772 A GB3007772 A GB 3007772A GB 3007772 A GB3007772 A GB 3007772A GB 1360314 A GB1360314 A GB 1360314A
Authority
GB
United Kingdom
Prior art keywords
pynenyl
equimolar amount
optical brighteners
pyrene derivatives
friedel
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
Application number
GB3007772A
Other languages
English (en)
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
Publication of GB1360314A publication Critical patent/GB1360314A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D251/00—Heterocyclic compounds containing 1,3,5-triazine rings
    • C07D251/02—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
    • C07D251/12—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
    • C07D251/14—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with hydrogen or carbon atoms directly attached to at least one ring carbon atom
    • C07D251/16—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with hydrogen or carbon atoms directly attached to at least one ring carbon atom to only one ring carbon atom
    • C07D251/20—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with hydrogen or carbon atoms directly attached to at least one ring carbon atom to only one ring carbon atom with no nitrogen atoms directly attached to a ring carbon atom
    • 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
    • Y10S428/913—Material designed to be responsive to temperature, light, moisture

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
GB3007772A 1971-07-12 1972-06-24 New pyrene derivatives as optical brighteners Expired GB1360314A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1020571A CH562281A5 (enExample) 1971-07-12 1971-07-12

Publications (1)

Publication Number Publication Date
GB1360314A true GB1360314A (en) 1974-07-17

Family

ID=4360573

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3007772A Expired GB1360314A (en) 1971-07-12 1972-06-24 New pyrene derivatives as optical brighteners

Country Status (4)

Country Link
US (1) US3843651A (enExample)
CH (1) CH562281A5 (enExample)
DE (1) DE2232729A1 (enExample)
GB (1) GB1360314A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4363744A (en) * 1979-09-10 1982-12-14 Hoechst Aktiengesellschaft Mixtures of optical brighteners and their use for the optical brightening

Also Published As

Publication number Publication date
DE2232729A1 (de) 1973-01-25
CH562281A5 (enExample) 1975-05-30
US3843651A (en) 1974-10-22

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees