US3577340A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for dispersing oil spills on water
Assignee: Gulf Research and Development Co
•
Filing: 1970-04-16
•
Granted: 1971-05-04
•
Expires: 1990-04-16
Abstract
Abstract A METHOD FOR DISSIPATING OIL SPILLS IN WATER BY DISPERSING THE SPILLED OIL WITH A NOVEL ALKYLPHENOL ETHOXYLATE HAVING THE STRUCTURAL FORMULA R1,R2,R3,(H-(O-(CH2)2)N-)-BENZENE WHEREIN N IS AN INTEGER FROM ABOUT 5 TO ABOUT 25, R1 IS AN ALKYL GROUP HAVING AT LEAST 20 CARBON ATOMS AND R2 AND R3 ARE INDEPENDENTLY SELECTED FROM SAID ALKYL GROUP AND HYDROGEN; AND MIXTURES OF THE SAME.
Inventors
- 👤 Stanley C Paviak
- 👤 Warren K Porter Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:50
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/68; C02F1/682; Y; Y10; Y10S; Y10S210/00; Y10S210/918; Y10S210/922; Y10S210/925; Y10S516/00; Y10S516/01
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1974-05-03 | 1974-11-02 | 1975-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-03 | 1978-11-02 | 1979-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-03 | 1982-11-02 | 1983-05-04 | $7700.00 | Window Closed / Lapsed |