US2758115A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Derivatives of thiophosphoric acid
Assignee: Bayer AG
•
Filing: 1955-02-10
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Granted: 1956-08-07
•
Expires: 1975-02-10
Abstract
No abstract record available.
Inventors
- 👤 Lorenz Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:00
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/6515; C07F9/6521; C07F9/65218
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
30 words
A NEW CHEMICAL COMPOUND HAVING THE GENERAL FORMULA IN WHICH X IS A MEMBER SELECTED FROM THE GROUP CONSISTING OF OXYGEN AND SULFUR AND ALK IS A LOWER ALKYL GROUP.
Claim 2
Dependent Claim
30 words
A NEW CHEMICAL COMPOUND HAVING THE GENERAL FORMULA IN WHICH X IS A MEMBER SELECTED FROM THE GROUP CONSISTING OF OXYGEN AND SULFUR AND ALK IS A LOWER ALKYL GROUP.
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) | 1959-08-07 | 1960-02-06 | 1960-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-07 | 1964-02-06 | 1964-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-07 | 1968-02-06 | 1968-08-07 | $7700.00 | Window Closed / Lapsed |