US3351558A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detergent composition containing organic phosphonate corrosion inhibitors
Assignee: Procter and Gamble Co
•
Filing: 1966-09-06
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Granted: 1967-11-07
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Expires: 1986-09-06
Abstract
No abstract record available.
Inventors
- 👤 Zimmerer Roger Earl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:28
CPC Classifications
C; C02; C02F; C02F5/00; C02F5/08; C02F5/10; C02F5/14; C11; C11D; C11D1/00; C11D1/02; C11D1/34; C11D1/342; C11D3/00; C11D3/0005; C11D3/0073; C11D3/16; C11D3/36; C11D3/361; C23; C23F; C23F11/00; C23F11/06; C23F11/08; C23F11/10; C23F11/167; C23F11/1676
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
DETERGENT COMPOSITIONS CONSISTING ESSENTIALLY OF; (1) FROM 1% TO ABOUT 98% OF THE COMPOSITION OF A DETERGENCY BUILDER SELECTED FROM THE GROUP CONSISTING OF WATER-WOLUBLE AMINO POLYACETATE, TRIPOLYPHOSPHATE AND POLYPHOSPHONATE DETERGENCY BUILDERS AND MIXTURES THEREOF; (2) MORE THAN 0.05% AND LESS THAN ABOUT 25% BY WEIGHT OF THE TOTAL DETERGENT COMPOSITION OF A CORROSION INHIBITOR HAVING THE FORMULA
Claim 2
Dependent Claim
58 words
DETERGENT COMPOSITIONS CONSISTING ESSENTIALLY OF; (1) FROM 1% TO ABOUT 98% OF THE COMPOSITION OF A DETERGENCY BUILDER SELECTED FROM THE GROUP CONSISTING OF WATER-WOLUBLE AMINO POLYACETATE, TRIPOLYPHOSPHATE AND POLYPHOSPHONATE DETERGENCY BUILDERS AND MIXTURES THEREOF; (2) MORE THAN 0.05% AND LESS THAN ABOUT 25% BY WEIGHT OF THE TOTAL DETERGENT COMPOSITION OF A CORROSION INHIBITOR HAVING THE FORMULA
References Cited (Backward Citations)
US2765279A
Cited
US2618604A
Cited
US2892796A
Cited
US3001945A
Cited
US3054821A
Cited
US3159581A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-06 | 1971-05-08 | 1971-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-06 | 1975-05-08 | 1975-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-06 | 1979-05-08 | 1979-11-07 | $7700.00 | Window Closed / Lapsed |