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US3672938A Expired / Lapsed US ⏱️ 0.0 years remaining

Novel precious metal sensitizing solutions

Assignee: Kollmorgen Corp
•
Filing: 1969-02-20
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Granted: 1972-06-27
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Expires: 1989-02-20
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Abstract

Abstract A NEW AND USEFUL PRECIOUS METAL SENSITIZING SOLUTION FOR RENDERING SURFACES RECEPTIVE TO THE DEPOSITION OF AN ADHERENT ELECTROLESS METAL IS PROVIDED WHICH COMPRISES A METAL COMPLEX CONSISTING ESSENTIALLY OF A PRECIOUS METAL SELECTED FROM THE GROUP CONSISTING OF THE PRECIOUS METALS OF THE FIFTH AND SIXTH PERIODS OF GROUP VIII AND I-B OF THE PERIODIC TABLE OF ELEMENTS, A GROUP IV METAL OF THE PERIODIC TABLE OF ELEMENTS WHICH IS CAPABLE OF TWO VALENCE STATES AND AN ANION CAPABLE OF FORMING A STABLE MOIETY WITH BOTH VALENCE STATES OF THE GROUP IV METAL, IN WHICH THE MOLAR RATIO OF PRECIOUS METAL TO GROUP IV METAL TO ANION FROM ABOUT 1:1:3 TO 1:3:19. FURTHERMORE, A PROCESS FOR RENDERING A SURFACE RECEPTIVE TO THE DEPOSITION OF AN ELECTROLESS METAL IS ALSO PROVIDED IN WHICH THE SENSITIZING SOLUTION HEREINABOVE DEFINED IS EMPLOYED.

Inventors

  • 👤 Rudolph John Zeblisky

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 13:06
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/16; C23C18/18; C23C18/20; C23C18/28

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1975-06-27 1975-12-27 1976-06-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-06-27 1979-12-27 1980-06-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-06-27 1983-12-27 1984-06-27 $7700.00 Window Closed / Lapsed

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