AT269794B - Optical brighteners for organic materials - Google Patents

Optical brighteners for organic materials

Info

Publication number
AT269794B
AT269794B AT997966A AT997966A AT269794B AT 269794 B AT269794 B AT 269794B AT 997966 A AT997966 A AT 997966A AT 997966 A AT997966 A AT 997966A AT 269794 B AT269794 B AT 269794B
Authority
AT
Austria
Prior art keywords
organic materials
optical brighteners
brighteners
optical
organic
Prior art date
Application number
AT997966A
Other languages
German (de)
Original Assignee
Ciba Geigy
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
Priority claimed from CH1490265A external-priority patent/CH484918A/en
Application filed by Ciba Geigy filed Critical Ciba Geigy
Application granted granted Critical
Publication of AT269794B publication Critical patent/AT269794B/en

Links

AT997966A 1965-10-28 1966-10-27 Optical brighteners for organic materials AT269794B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1490265A CH484918A (en) 1965-10-28 1965-10-28 Process for the preparation of heterocyclic compounds containing ethylene double bonds
CH964966A CH517101A (en) 1965-10-28 1966-07-04 Process for the preparation of heterocyclic compounds containing ethylene double bonds

Publications (1)

Publication Number Publication Date
AT269794B true AT269794B (en) 1969-04-10

Family

ID=25705115

Family Applications (4)

Application Number Title Priority Date Filing Date
AT997766A AT263771B (en) 1965-10-28 1966-10-27 Process for the preparation of heterocyclic compounds containing ethylene double bonds
AT998066A AT270567B (en) 1965-10-28 1966-10-27 Optical brighteners for organic materials
AT997966A AT269794B (en) 1965-10-28 1966-10-27 Optical brighteners for organic materials
AT997866A AT270566B (en) 1965-10-28 1966-10-27 Optical brighteners for organic materials

Family Applications Before (2)

Application Number Title Priority Date Filing Date
AT997766A AT263771B (en) 1965-10-28 1966-10-27 Process for the preparation of heterocyclic compounds containing ethylene double bonds
AT998066A AT270567B (en) 1965-10-28 1966-10-27 Optical brighteners for organic materials

Family Applications After (1)

Application Number Title Priority Date Filing Date
AT997866A AT270566B (en) 1965-10-28 1966-10-27 Optical brighteners for organic materials

Country Status (1)

Country Link
AT (4) AT263771B (en)

Also Published As

Publication number Publication date
AT270566B (en) 1969-05-12
AT263771B (en) 1968-08-12
AT270567B (en) 1969-05-12

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