US3137692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nu-substituted bis-(amino)-phosphines
Assignee: Monsanto Co
•
Filing: 1960-08-22
•
Granted: 1964-06-16
•
Expires: 1980-08-22
Abstract
No abstract record available.
Inventors
- 👤 Maier Ludwig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:57
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/48; C07F9/4883; C07F9/38; C07F9/44; C07F9/4403; C07F9/4407; Y; Y10; Y10S; Y10S524/00; Y10S524/925
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
1 words
METHYL-BIS-(DIALLYLAMINE)-PHOSPHINE.
Claim 2
Dependent Claim
1 words
METHYL-BIS-(DIALLYLAMINE)-PHOSPHINE.
Claim 3
Dependent Claim
1 words
METHYL-BIS-(MORPHOLINE)-PHOSPHINE.
Claim 4
Dependent Claim
1 words
METHYL-BIS-(MORPHOLINE)-PHOSPHINE.
Claim 5
Dependent Claim
1 words
METHYL-BIS-(DIBENZYLAMINE)-PHOSPHINE.
Claim 6
Dependent Claim
1 words
METHYL-BIS-(DIBENZYLAMINE)-PHOSPHINE.
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) | 1967-06-16 | 1967-12-16 | 1968-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-16 | 1971-12-16 | 1972-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-16 | 1975-12-16 | 1976-06-16 | $7700.00 | Window Closed / Lapsed |