US2798044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antistatic composition, treatment of shaped articles therewith, and treated articles
Assignee: Wyeth Holdings LLC
•
Filing: 1953-02-25
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Granted: 1957-07-02
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Expires: 1973-02-25
Abstract
No abstract record available.
Inventors
- 👤 Vitalis Emil Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:49
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/10; D06M13/224; D06M11/00; D06M11/68; D06M11/70; D06M11/71; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/294; Y10T428/2958
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
AN ANTISTATIC COMPOSITION COMPRISING (1) AN ANTSTATIC AGENT WHICH IS A WATER-SOLUBLE INORGANIC SALT THAT NORMALLY IS DEPOSITED IN THE FORM OF RELATIVELY LARGE CRYSTALS UPON VOLATILIZATION OF THE SOLVENT IN WHICH IT IS DISSOLVED AND (2) A BIS-ESTER OF SULFOSUCCINIC ACID WITH A SUBSTANTIALLY BI-MOLECULAR QUANTITY OF A HIGHER FATTY ACID GLYCERIDE DERIVED FROM A MEMBER OF THE GROUP CONSISTING OF ANIMAL AND VEGETABLE OILS AND FATS CONTAINING LESS THAN 15% BY WEIGHT OF POLYUNSATURATED FATTY ACIDS, SAID GLYCERIDE BEING CONSTITUTED OF NOT LESS THAN 50 MOLE PERCENT OF MONOGLYCERIDE AND UP TO 50 MOLE PERCENT OF DIGLYCERIDE, AND THE INGREDIENTS OF (1) AND (2) BEING PRESENT IN THE SAID ANTISTATIC COMPOSITION IN WEIGHT PER CENTAGES OF FROM ABOUT 5% TO ABOUT 97% OF THE FORMER TO FROM ABOUT 95% TO ABOUT 3% OF THE LATTER.
Claim 2
Dependent Claim
137 words
AN ANTISTATIC COMPOSITION COMPRISING (1) AN ANTSTATIC AGENT WHICH IS A WATER-SOLUBLE INORGANIC SALT THAT NORMALLY IS DEPOSITED IN THE FORM OF RELATIVELY LARGE CRYSTALS UPON VOLATILIZATION OF THE SOLVENT IN WHICH IT IS DISSOLVED AND (2) A BIS-ESTER OF SULFOSUCCINIC ACID WITH A SUBSTANTIALLY BI-MOLECULAR QUANTITY OF A HIGHER FATTY ACID GLYCERIDE DERIVED FROM A MEMBER OF THE GROUP CONSISTING OF ANIMAL AND VEGETABLE OILS AND FATS CONTAINING LESS THAN 15% BY WEIGHT OF POLYUNSATURATED FATTY ACIDS, SAID GLYCERIDE BEING CONSTITUTED OF NOT LESS THAN 50 MOLE PERCENT OF MONOGLYCERIDE AND UP TO 50 MOLE PERCENT OF DIGLYCERIDE, AND THE INGREDIENTS OF (1) AND (2) BEING PRESENT IN THE SAID ANTISTATIC COMPOSITION IN WEIGHT PER CENTAGES OF FROM ABOUT 5% TO ABOUT 97% OF THE FORMER TO FROM ABOUT 95% TO ABOUT 3% OF THE LATTER.
References Cited (Backward Citations)
US2734833A
Cited
US2086544A
Cited
US2086590A
Cited
US2184794A
Cited
US2628176A
Cited
US2543539A
Cited
US2717877A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-01 | 1960-12-31 | 1961-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-01 | 1964-12-31 | 1965-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-01 | 1968-12-31 | 1969-07-02 | $7700.00 | Window Closed / Lapsed |