US2584701A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surface-active compounds
Assignee: Procter and Gamble Co
•
Filing: 1949-09-08
•
Granted: 1952-02-05
•
Expires: 1969-09-08
Abstract
No abstract record available.
Inventors
- 👤 Ronald A Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:28
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/88; C07; C07C; C07C309/00; C07K; C07K1/00; C07K1/006; C11D1/02; C11D1/12; C11D1/22; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/03; Y10S516/04; Y10S516/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
16 words
THE MIXTURE OF SURFACE-ACTIVE MATERIAL WHICH IS THE SULFONATION PRODUCT OF A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
16 words
THE MIXTURE OF SURFACE-ACTIVE MATERIAL WHICH IS THE SULFONATION PRODUCT OF A COMPOUND OF THE FORMULA
References Cited (Backward Citations)
US2259602A
Cited
US2184770A
Cited
US2178139A
Cited
US2236541A
Cited
US2259466A
Cited
US2391830A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-04 | 1955-08-06 | 1956-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-04 | 1959-08-06 | 1960-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-04 | 1963-08-06 | 1964-02-05 | $7700.00 | Window Closed / Lapsed |