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CH218382A Expired / Lapsed CH ⏱️ 0.0 years remaining

Process for the preparation of a photographic material.

Assignee: Ig Farbenindustrie Ag
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Filing: 1940-02-09
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Granted: —
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Expires: 1960-02-09
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Abstract

No abstract record available.

Inventors

  • 👤 Aktiengesellsc Farbenindustrie

Bibliographic Details

Application Number —
Jurisdiction CH
Data Source google_patents
Last Synchronized 2026-11-09 08:43
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/52; F; F16; F16K; F16K39/00; F16K39/02; G03C1/494; G03C1/496

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