FLUOROCARBON TRACER AND TRACING METHOD

Title:

FLUOROCARBON TRACER AND TRACING METHOD

Document Type and Number:

Japanese Patent JPS59196500

Kind Code:

A

Abstract:

A material is traced to its origin or the flow pattern of a fluid medium is defined by incorporating into the material or fluid medium a perfluorinated C₉-C₁₈ polycyclic hydrocarbon containing at least two bridgehead carbon atoms linked through a bridge containing at least one carbon atom, collecting a sample of the material orfluid medium after distribution or flow, and analyzing the sample for the presence of the perfluoro compound.

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Inventors:

PEETAA JII SHIMONZU
ROBAATO II MOOA

Application Number:

JP4575484A

Publication Date:

November 07, 1984

Filing Date:

March 12, 1984

Export Citation:

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Assignee:

SUN TECH INC

International Classes:

G01N33/58; A61K51/04; A61K51/12; C07C23/20; C07C23/38; E21B47/10; G01N33/28; G21H5/02; (IPC1-7): G01N33/58; G21H5/02

Attorney, Agent or Firm:

Yataro Sasai

Previous Patent: JPS59196499

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