Patent US1800691A successfully refreshed from Google Patents.
US2995523A
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Detergent-softener compositions
Assignee: WR Grace and Co
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Filing: 1958-02-17
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Granted: 1961-08-08
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Expires: 1978-02-17
Abstract
No abstract record available.
Inventors
- 👤 Richard P Germann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:37
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/38; C11D1/62; C11D3/00; C11D3/0005; C11D3/001
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A DETERGENT-SOFTENER COMPOSITION CONSISTING ESSENTIALLY OF A NON-IONIC DETERGENT, INORGANIC BUILDERS AND A SOFTENER, SAID SOFTENER BEING A SURFACTANT HYDRAZINIUM SALT HAVING THE GENERAL FORMULA (RR''R"NNH2)A WHEREIN R IS SELECTED FROM THE GROUP CONSISTING OF ALKYL, ALKENYL AND ALKEDIENYL RADICALS CONTAINING 16 TO 24 CARBON ATOMS, R'' AND R" ARE INDEPENDENTLY SELECTED FROM THE GROUP OF ALKYL RADICALS HAVING 1 TO 24 CARBON ATOMS, ALKENYL RADICALS HAVING 2 TO 24 CARBON ATOMS AND ALKADIENYL RADICALS HAVING 2 TO 24 CARBON ATOMS AND A IS AN ANION, SAID SOFTENER CONSTITUTING AT LEAST 3.0% BY WEIGHT OF THE TOTAL COMPOSITION.
Claim 2
Dependent Claim
98 words
A DETERGENT-SOFTENER COMPOSITION CONSISTING ESSENTIALLY OF A NON-IONIC DETERGENT, INORGANIC BUILDERS AND A SOFTENER, SAID SOFTENER BEING A SURFACTANT HYDRAZINIUM SALT HAVING THE GENERAL FORMULA (RR''R"NNH2)A WHEREIN R IS SELECTED FROM THE GROUP CONSISTING OF ALKYL, ALKENYL AND ALKEDIENYL RADICALS CONTAINING 16 TO 24 CARBON ATOMS, R'' AND R" ARE INDEPENDENTLY SELECTED FROM THE GROUP OF ALKYL RADICALS HAVING 1 TO 24 CARBON ATOMS, ALKENYL RADICALS HAVING 2 TO 24 CARBON ATOMS AND ALKADIENYL RADICALS HAVING 2 TO 24 CARBON ATOMS AND A IS AN ANION, SAID SOFTENER CONSTITUTING AT LEAST 3.0% BY WEIGHT OF THE TOTAL COMPOSITION.
References Cited (Backward Citations)
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Cited
US1970578A
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US2734830A
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US2594431A
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US2929847A
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US2867585A
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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) | 1964-08-07 | 1965-02-06 | 1965-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-07 | 1969-02-06 | 1969-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-07 | 1973-02-06 | 1973-08-08 | $7700.00 | Window Closed / Lapsed |