1
Jared B Mooberry, William C Archie Jr: Blocked photographically useful compounds and photographic compositions, elements and processes employing them. Eastman Kodak Company, Joshua G Levitt, November 9, 1982: US04358525 (36 worldwide citation)

Photographically useful compounds such as photographic reagents and photographic dyes are blocked with a grouping which, under alkaline conditions, is cleaved from the compound by an intramolecular nucleophilic displacement reaction. The compounds are resistant to unblocking under storage conditions ...


2
Mooberry Jared B, Archie William C Jr: Composes chimiquement bloques, utiles en photographie; compositions elements et procedes photographiques employant ces composes, Blocked photographically useful compounds and photographic compositions, elements and processes employing them. Eastmann Kodak Company, GOWLING LAFLEUR HENDERSON, December 13, 1983: CA1158642

Abstract of the Disclosure Photographically useful compounds such asphotographic reagents and photographic dyes are blocked witha grouping which, under alkaline conditions, is cleavedfrom the compound by an intramolecular nucleophilic dis-placement reaction. The compounds are resistantto unblocking ...