US2626244A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surface-active composition
Assignee: —
•
Filing: —
•
Granted: 1953-01-20
•
Expires: 1970-01-20
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:06
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/02; C11D1/12; C11D1/14; C11D1/143; C11D1/22; C11D1/38; C11D3/00; C11D3/16; C11D3/34; C11D3/3418; Y; Y10; Y10S; Y10S516/00; Y10S516/905; Y10S516/909; Y10S516/91; Y10S516/911
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A SURFACE-ACTIVE COMPOSITION CONSISTING ESSENTIALLY OF (1) A MAJOR PROPORTION BY WEIGHT OF SALTS OF A MIXTURE OF ACIDS HAVING CARBON CONTENTS WITHIN THE RANGE 10 TO 30 CARBON ATOMS, SAID MIXTURE INCLUDING SULFONATED KETONES, SULFONATED AMINES, SULFONATED ALKYLIDENE SULFAMATES, SULFONATED SULFAMATES AND BISULFITE ADDITION PRODUCTS OF SULFONATED ALKYLIDENE SULFAMATES, AND BEING DERIVED FROM AN UNSATURATED ORGANIC COMPOUND HAVING AT LEAST ONE NON-AROMATIC
Claim 2
Dependent Claim
63 words
A SURFACE-ACTIVE COMPOSITION CONSISTING ESSENTIALLY OF (1) A MAJOR PROPORTION BY WEIGHT OF SALTS OF A MIXTURE OF ACIDS HAVING CARBON CONTENTS WITHIN THE RANGE 10 TO 30 CARBON ATOMS, SAID MIXTURE INCLUDING SULFONATED KETONES, SULFONATED AMINES, SULFONATED ALKYLIDENE SULFAMATES, SULFONATED SULFAMATES AND BISULFITE ADDITION PRODUCTS OF SULFONATED ALKYLIDENE SULFAMATES, AND BEING DERIVED FROM AN UNSATURATED ORGANIC COMPOUND HAVING AT LEAST ONE NON-AROMATIC
References Cited (Backward Citations)
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Cited
US2080143A
Cited
US2125901A
Cited
US2242224A
Cited
US2190133A
Cited
US2176896A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-20 | 1956-07-21 | 1957-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-20 | 1960-07-21 | 1961-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-20 | 1964-07-21 | 1965-01-20 | $7700.00 | Window Closed / Lapsed |