FR1279690A - Process for the protection of light sensitive materials - Google Patents

Process for the protection of light sensitive materials

Info

Publication number
FR1279690A
FR1279690A FR849930A FR849930A FR1279690A FR 1279690 A FR1279690 A FR 1279690A FR 849930 A FR849930 A FR 849930A FR 849930 A FR849930 A FR 849930A FR 1279690 A FR1279690 A FR 1279690A
Authority
FR
France
Prior art keywords
protection
light sensitive
sensitive materials
materials
light
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
FR849930A
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.)
Novartis AG
Original Assignee
JR 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 JR Geigy AG filed Critical JR Geigy AG
Priority to FR849930A priority Critical patent/FR1279690A/en
Application granted granted Critical
Publication of FR1279690A publication Critical patent/FR1279690A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D311/78—Ring systems having three or more relevant rings
    • C07D311/80—Dibenzopyrans; Hydrogenated dibenzopyrans
    • C07D311/82—Xanthenes
    • C07D311/84—Xanthenes with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached in position 9
    • C07D311/86—Oxygen atoms, e.g. xanthones
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B11/00—Diaryl- or thriarylmethane dyes
    • C09B11/28—Pyronines ; Xanthon, thioxanthon, selenoxanthan, telluroxanthon dyes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR849930A 1961-01-17 1961-01-17 Process for the protection of light sensitive materials Expired FR1279690A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR849930A FR1279690A (en) 1961-01-17 1961-01-17 Process for the protection of light sensitive materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR849930A FR1279690A (en) 1961-01-17 1961-01-17 Process for the protection of light sensitive materials

Publications (1)

Publication Number Publication Date
FR1279690A true FR1279690A (en) 1961-12-22

Family

ID=8746903

Family Applications (1)

Application Number Title Priority Date Filing Date
FR849930A Expired FR1279690A (en) 1961-01-17 1961-01-17 Process for the protection of light sensitive materials

Country Status (1)

Country Link
FR (1) FR1279690A (en)

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