FR1294356A - Optical brighteners - Google Patents

Optical brighteners

Info

Publication number
FR1294356A
FR1294356A FR860725A FR860725A FR1294356A FR 1294356 A FR1294356 A FR 1294356A FR 860725 A FR860725 A FR 860725A FR 860725 A FR860725 A FR 860725A FR 1294356 A FR1294356 A FR 1294356A
Authority
FR
France
Prior art keywords
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
Application number
FR860725A
Other languages
French (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.)
Hickson and Welch Ltd
Original Assignee
Hickson and Welch Ltd
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 Hickson and Welch Ltd filed Critical Hickson and Welch Ltd
Priority to FR860725A priority Critical patent/FR1294356A/en
Application granted granted Critical
Publication of FR1294356A publication Critical patent/FR1294356A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D249/00—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms
    • C07D249/16—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms condensed with carbocyclic rings or ring systems
    • C07D249/22—Naphthotriazoles
    • C07D249/24—Naphthotriazoles with stilbene radicals directly attached in position 2
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D249/00—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms
    • C07D249/16—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms condensed with carbocyclic rings or ring systems
    • C07D249/18—Benzotriazoles
    • C07D249/20—Benzotriazoles with aryl radicals directly attached in position 2

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR860725A 1961-05-04 1961-05-04 Optical brighteners Expired FR1294356A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR860725A FR1294356A (en) 1961-05-04 1961-05-04 Optical brighteners

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR860725A FR1294356A (en) 1961-05-04 1961-05-04 Optical brighteners

Publications (1)

Publication Number Publication Date
FR1294356A true FR1294356A (en) 1962-05-26

Family

ID=8754436

Family Applications (1)

Application Number Title Priority Date Filing Date
FR860725A Expired FR1294356A (en) 1961-05-04 1961-05-04 Optical brighteners

Country Status (1)

Country Link
FR (1) FR1294356A (en)

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