US2617772A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tack-fr ee alkaryl sulfonate
Assignee: —
•
Filing: —
•
Granted: 1952-11-11
•
Expires: 1969-11-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:06
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/38; C11D3/382; C11D1/00; C11D1/02; C11D1/12; C11D1/22; C11D1/37; C11D3/02; C11D3/04; C11D3/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
A DETERGENT COMPOSITION COMPRISING A WATERSOLUBLE SALT OF AN ALKYL ARYL SULFONIC ACID AND FROM 20% TO 70% OF LECITHIN BY WEIGHT BASED ON THE WEIGHT OF THE DRY SALT OF THE ALKYL ARYL SULFONIC ACID.
Claim 2
Dependent Claim
36 words
A DETERGENT COMPOSITION COMPRISING A WATERSOLUBLE SALT OF AN ALKYL ARYL SULFONIC ACID AND FROM 20% TO 70% OF LECITHIN BY WEIGHT BASED ON THE WEIGHT OF THE DRY SALT OF THE ALKYL ARYL SULFONIC ACID.
References Cited (Backward Citations)
GB473638A
Cited
US2232117A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-11 | 1956-05-12 | 1956-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-11 | 1960-05-12 | 1960-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-11 | 1964-05-12 | 1964-11-11 | $7700.00 | Window Closed / Lapsed |