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EP0438734A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Marked mineral oils and process to mark mineral oils by means of basic dyes

Assignee: BASF SE
•
Filing: 1990-12-19
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Granted: —
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Expires: 2010-12-19
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Abstract

Abstract Translated from German Markierte Mineralöle, enthaltend basische Farbstoffe, die mindestens zwei, gegebenenfalls substituierte Aminogruppen, aufweisen und die bei Zusatz einer Protonsäure und gegebenenfalls eines Metallhalogenids eine bathochrome Verschiebung des Absorptionsmaximums und eine Erhöhung der Extinktion erfahren, sowie Verfahren zum Markieren von Mineralölen mittels basischer Farbstoffe. Labeled mineral oils, containing basic dyes, which have at least two, optionally substituted amino groups, and which undergo a bathochromic shift in the absorption maximum and an increase in extinction when a protonic acid and optionally a metal halide are added, and methods for labeling mineral oils by means of basic dyes.

Inventors

  • 👤 Guenther Dr. Riedel
  • 👤 Christos Dr. Vamvakaris

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-23 12:40
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/003; C10M; C10M171/00; C10M171/007; C10M2201/00; C10M2201/08; C10M2201/081; C10M2201/082; C10M2201/084; C10M2201/085; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/123; C10M2207/129; C10M2207/22; C10M2211/00; C10M2211/04; C10M2211/044; C10M2211/06; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/062; C10M2215/064; C10M2215/18; C10M2215/182; C10M2219/00; C10M2219/04; C10M2219/044; C10N; C10N2040/00; C10N2040/25; C10N2040/251; C10N2040/255; C10N2040/28

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References Cited (Backward Citations)

FR698152A Cited
GB361310A Cited
US2046365A Cited
FR2039344A1 Cited
EP0042486A1 Cited
EP0256460A2 Cited
EP0311790A1 Cited
DE3815605A1 Cited

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