US2702818A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Free-flowing surface active agent in discrete-particle form
Assignee: Wyeth Holdings LLC
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Filing: 1953-10-14
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Granted: 1955-02-22
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Expires: 1973-10-14
Abstract
No abstract record available.
Inventors
- 👤 Louis H Jaquay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:03
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/02; C11D1/12; C11D1/123; C11D17/00; C11D17/0039; C11D3/00; C11D3/16; C11D3/34; C11D3/3472
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A DIALKYL SULFOSUCCINATE SURFACE ACTIVE AGENT IN FREE-FLOWING, DISCRETE-PARTICLE FORM COMPRISING A MAJOR PORTION OF A DIALKYL SULFOSUCCINATE IN WHICH THE ALKYL GROUPS CONTAIN AT LEAST FIVE CARBON ATOMS AND FROM ABOUT 0.1% TO ABOUT 2.0% BY WEIGHT OF A POWDERED DIALKYL SULFOSUCCINATE IN WHICH THE ALKYL GROUPS CONTAIN LESS THAN FIVE CARBON ATOMS, SAID POWDERED DIALKYL SULFOSUCCINATE BEING PRESENT AS A THIN LAYER COATING SAID DIALKYL SULFOSUCCINATE.
Claim 2
Dependent Claim
68 words
A DIALKYL SULFOSUCCINATE SURFACE ACTIVE AGENT IN FREE-FLOWING, DISCRETE-PARTICLE FORM COMPRISING A MAJOR PORTION OF A DIALKYL SULFOSUCCINATE IN WHICH THE ALKYL GROUPS CONTAIN AT LEAST FIVE CARBON ATOMS AND FROM ABOUT 0.1% TO ABOUT 2.0% BY WEIGHT OF A POWDERED DIALKYL SULFOSUCCINATE IN WHICH THE ALKYL GROUPS CONTAIN LESS THAN FIVE CARBON ATOMS, SAID POWDERED DIALKYL SULFOSUCCINATE BEING PRESENT AS A THIN LAYER COATING SAID DIALKYL SULFOSUCCINATE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-02-21 | 1958-08-23 | 1959-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-02-21 | 1962-08-23 | 1963-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-02-21 | 1966-08-23 | 1967-02-22 | $7700.00 | Window Closed / Lapsed |