US3423487A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thiophosphoric acid esters
Assignee: BASF SE
•
Filing: 1966-03-29
•
Granted: 1969-01-21
•
Expires: 1986-03-29
Abstract
No abstract record available.
Inventors
- 👤 Guenter Scheuerer
- 👤 Adolf Zeidler
- 👤 Heiner Dickhaeuser
- 👤 Heinrich Adolphi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:41
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/16; C07F9/165; C07F9/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A COUMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
5 words
A COUMPOUND HAVING THE FORMULA
References Cited (Backward Citations)
FR946440A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-21 | 1972-07-22 | 1973-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-21 | 1976-07-22 | 1977-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-21 | 1980-07-22 | 1981-01-21 | $7700.00 | Window Closed / Lapsed |