US2870093A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyphosphate compositions containing coco-beta-alanine and 2-mercaptothiazoline
Assignee: Lever Brothers Co
•
Filing: 1956-01-09
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Granted: 1959-01-20
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Expires: 1976-01-09
Abstract
No abstract record available.
Inventors
- 👤 Edgar E Ruff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:01
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/02; C11D3/04; C11D3/06; C11D1/00; C11D1/02; C11D1/04; C11D1/10; C11D3/16; C11D3/34; C11D3/349; C11D3/3427; C11D3/3481
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A SPRAY-DRIED DETERGENT COMPOSITION COMPRISING FROM ABOUT 20% TO ABOUT 50% OF AN ALKALI METAL TRIPOLYPHOSPHATE WHICH IN AQUEOUS SOLUTION TARNISHES GERMAN SILVER, FROM ABOUT 5% TO ABOUT 15% TOTAL OF AT LEAST ONE ORGANIC NONSOAP DETERGENT SELECTED FROM THE GROUP CONSISTING OF ORGANIC ANIONIC NONSOAP DETERGENTS AND ORGANIC NONIONIC NONSOAP DETERGENTS FROM ABOUT 10% TO ABOUT 20% OF AN ALKALI METAL CARBONATE, ABOUT 10% OF AN ALKALI METAL SILICATE, FROM ABOUT 0.03% TO ABOUT 0.06% OF 2-MERCAPTOTHIAZOLINE BASED ON THE WEIGHT OF TRIPOLYPHOSPHATE AND ABOUT 0.8% OF AN ALKALI METAL COCO-$-ALANINE BASED ON THE WEIGHT OF TRIPOLYPHOSPHATE; THE AMOUNTS OF SAID THIAZOLINE AND ALANINE BEING SUFFICIENT TO INHIBIT THE TARNISHING AND THE COMPONENTS OF THE COMPOSITION BEING EXPRESSED BY WEIGHT AT THE TIME OF MIXING THEREOF AND PRIOR TO SPRAY-DRYING.
Claim 2
Dependent Claim
131 words
A SPRAY-DRIED DETERGENT COMPOSITION COMPRISING FROM ABOUT 20% TO ABOUT 50% OF AN ALKALI METAL TRIPOLYPHOSPHATE WHICH IN AQUEOUS SOLUTION TARNISHES GERMAN SILVER, FROM ABOUT 5% TO ABOUT 15% TOTAL OF AT LEAST ONE ORGANIC NONSOAP DETERGENT SELECTED FROM THE GROUP CONSISTING OF ORGANIC ANIONIC NONSOAP DETERGENTS AND ORGANIC NONIONIC NONSOAP DETERGENTS FROM ABOUT 10% TO ABOUT 20% OF AN ALKALI METAL CARBONATE, ABOUT 10% OF AN ALKALI METAL SILICATE, FROM ABOUT 0.03% TO ABOUT 0.06% OF 2-MERCAPTOTHIAZOLINE BASED ON THE WEIGHT OF TRIPOLYPHOSPHATE AND ABOUT 0.8% OF AN ALKALI METAL COCO-$-ALANINE BASED ON THE WEIGHT OF TRIPOLYPHOSPHATE; THE AMOUNTS OF SAID THIAZOLINE AND ALANINE BEING SUFFICIENT TO INHIBIT THE TARNISHING AND THE COMPONENTS OF THE COMPOSITION BEING EXPRESSED BY WEIGHT AT THE TIME OF MIXING THEREOF AND PRIOR TO SPRAY-DRYING.
References Cited (Backward Citations)
US2619467A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |