US3210398A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pentaerythritol bis-hydrogen thiophosphite and process therefor
Assignee: Olin Corp
•
Filing: 1963-01-14
•
Granted: 1965-10-05
•
Expires: 1983-01-14
Abstract
No abstract record available.
Inventors
- 👤 Rudi F W Ratz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:13
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/6564; C07F9/6571; C07F9/657109; C07F9/657136
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
8 words
AN ORGANIC PHOSPHORUS COMPOUND HAVING THE STRUCTURAL FORMULA
Claim 2
Dependent Claim
8 words
AN ORGANIC PHOSPHORUS COMPOUND HAVING THE STRUCTURAL FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |