US2706180A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thiocarbazone and thiuram compounds in detergent compositions
Assignee: Colgate Palmolive Co
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Filing: 1951-05-02
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Granted: 1955-04-12
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Expires: 1971-05-02
Abstract
No abstract record available.
Inventors
- 👤 Sylvester Herbert Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:58
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)
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 |