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Thiocarbazone and thiuram compounds in detergent compositions

Assignee: Colgate Palmolive Co
•
Filing: 1951-05-02
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Granted: 1955-04-12
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Expires: 1971-05-02
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Abstract

No abstract record available.

Inventors

  • 👤 Sylvester Herbert Smith

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 14:06
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/34; C11D3/349; C11D3/3436

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 53 words
A DETERGENT COMPOSITION NORMALLY TENDING IN WATER SOLUTION TO CAUSE TARNISHING OF A COPPER BASE ALLOY CONSISTING ESSENTIALLY OF A WATER-SOLUBLE INORGANIC POLYPHOSPHASE, AND HAVING INCORPORATED THEREIN A MINOR AMOUNT OF A TARNISH INHIBITOR SELECTED FROM THE GROUP CONSISTING OF LOWER ALIPHATIC AND ARYL THIOCARBAZONES AND THIURAM SULFIDES SUFFICIENT TO INHIBIT SAID TARNISHING.
Claim 2
Dependent Claim 53 words
A DETERGENT COMPOSITION NORMALLY TENDING IN WATER SOLUTION TO CAUSE TARNISHING OF A COPPER BASE ALLOY CONSISTING ESSENTIALLY OF A WATER-SOLUBLE INORGANIC POLYPHOSPHASE, AND HAVING INCORPORATED THEREIN A MINOR AMOUNT OF A TARNISH INHIBITOR SELECTED FROM THE GROUP CONSISTING OF LOWER ALIPHATIC AND ARYL THIOCARBAZONES AND THIURAM SULFIDES SUFFICIENT TO INHIBIT SAID TARNISHING.
Claim 3
Dependent Claim 44 words
A DETERGENT COMPOSITION IN ACCORDANCE WITH CLAIM 1 WHICH CONTAINS ABOUT 10 TO 80% OF A WATER-SOLUBLE INORGANIC TRIPOLYPHOSPHATE SALT AND ABOUT 10 TO ABOUT 50% BY WEIGHT OF A DETERGENT SELECTED FROM THE GROUP CONSISTING OF WATER-SOLUBLE ANIONIC ORGANIC SULPHATE AND SULPHONATE DETERGENTS.

References Cited (Backward Citations)

US2458292A Cited
US2618603A Cited
US2618608A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1958-04-11 1958-10-11 1959-04-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1962-04-11 1962-10-11 1963-04-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1966-04-11 1966-10-11 1967-04-12 $7700.00 Window Closed / Lapsed

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