Patent US3574795A successfully refreshed from Google Patents.
US3574795A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cationic addition of dihydrocarbyl thiophosphoric acids to conjugated dienes and product
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1967-05-22
•
Granted: 1971-04-13
•
Expires: 1987-05-22
Abstract
Abstract DIBHYDROCARBYL DITHIOPHOSPHORIC AND MONOTHIOPHOSPHORIC ACIDS ADD TO CONJUGATED DIENES IN ACID MEDIA BY A CATIONIC ADDITION MECHANISM; THE MONOADDUCTS FORMED THEREBY ARE USEFUL AS PESTICIDES AND LUBRICATING OIL ADDITIVES.
Inventors
- 👤 Alexis A Oswald
- 👤 Wolfgang H Mueller
- 👤 Francis A Daniher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:51
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/16; C07F9/165; C07F9/177; C07F9/173; C07F9/547; C07F9/6564; C07F9/6571; C07F9/657109; C10; C10M; C10M137/00; C10M137/02; C10M137/04; C10M137/10; C10M137/105; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/047
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) | 1974-04-12 | 1974-10-12 | 1975-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-12 | 1978-10-12 | 1979-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-12 | 1982-10-12 | 1983-04-13 | $7700.00 | Window Closed / Lapsed |