US2831014A
Expired / Lapsed
US
⏱️ 0.0 years remaining
New compounds containing phosphorus and sulphur
Assignee: BASF Schweiz AG
•
Filing: 1955-11-14
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Granted: 1958-04-15
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Expires: 1975-11-14
Abstract
No abstract record available.
Inventors
- 👤 Sallmann Richard
- 👤 Kohler Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:26
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/3804; C07F9/3808; C07F9/40; C07F9/4003; C07F9/4006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
10 words
A PHOSPHORUS AND SULFUR CONTAINING COMPOUND OF THE GENERAL FORMULA
Claim 2
Dependent Claim
10 words
A PHOSPHORUS AND SULFUR CONTAINING COMPOUND OF THE GENERAL FORMULA
References Cited (Backward Citations)
GB723633A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-14 | 1961-10-14 | 1962-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-14 | 1965-10-14 | 1966-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-14 | 1969-10-14 | 1970-04-15 | $7700.00 | Window Closed / Lapsed |