Patent US3738538A successfully refreshed from Google Patents.
Patent CH101759A successfully refreshed from Google Patents.
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CH101759A Expired / Lapsed CH ⏱️ 0.0 years remaining

Process for the preparation of a vat dye.

Assignee: Kalle & Co Ag
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Filing: 1923-01-03
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Granted: —
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Expires: 1943-01-03
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Abstract

No abstract record available.

Inventors

  • 👤 Aktiengesellschaft Kalle Co

Bibliographic Details

Application Number —
Jurisdiction CH
Data Source google_patents
Last Synchronized 2026-10-24 15:35
CPC Classifications
C; C09; C09B; C09B5/00; C09B5/62

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