US2909541A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nitrogenous thiomolybdates
Assignee: IFP Energies nouvelles
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Filing: 1955-01-07
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Granted: 1959-10-20
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Expires: 1975-01-07
Abstract
No abstract record available.
Inventors
- 👤 Hugel George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:31
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/06; C07D213/16; C07D213/20; C07D215/00; C07D215/02; C07D215/04; C07D215/10
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
26 words
A THIOMOLYBDATE OF AN AMINE SELECTED FROM THE GROUP CONSISTING OF ALKYL AMINES, ALKENYL AMINES, N-LOWER ALKYLATED ALKYL AMINES, N-LOWER ALKYLATED PYRIDINES, AND N-LOWER ALKYLATED QUINOLINES.
Claim 2
Dependent Claim
26 words
A THIOMOLYBDATE OF AN AMINE SELECTED FROM THE GROUP CONSISTING OF ALKYL AMINES, ALKENYL AMINES, N-LOWER ALKYLATED ALKYL AMINES, N-LOWER ALKYLATED PYRIDINES, AND N-LOWER ALKYLATED QUINOLINES.
Claim 3
Independent Claim
55 words
A METHOD OF PREPARING A THIOMOLYBDATE OF AN AMINE SELECTED FROM THE GROUP CONSISTING OF ALKYL AMINES, ALKENYL AMINES, N-LOWER ALKYLATED ALKYL AMINES, N-LOWER ALKYLATED PYRIDINES, AND N-LOWER ALKYLATED QUINOLINES, WHICH COMPRISES PRECIPITATING THE SAID THIOMOLYBDATE BY THE PRECIPITATING ACTION OF A SOLUBLE SALT OF THE CORRESPONDING AMINE ON AN AQUEOUS SOLUTION OF SODIUM THIOMOLYBDATE.
Claim 4
Independent Claim
55 words
A METHOD OF PREPARING A THIOMOLYBDATE OF AN AMINE SELECTED FROM THE GROUP CONSISTING OF ALKYL AMINES, ALKENYL AMINES, N-LOWER ALKYLATED ALKYL AMINES, N-LOWER ALKYLATED PYRIDINES, AND N-LOWER ALKYLATED QUINOLINES, WHICH COMPRISES PRECIPITATING THE SAID THIOMOLYBDATE BY THE PRECIPITATING ACTION OF A SOLUBLE SALT OF THE CORRESPONDING AMINE ON AN AQUEOUS SOLUTION OF SODIUM THIOMOLYBDATE.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-19 | 1963-04-20 | 1963-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-19 | 1967-04-20 | 1967-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-19 | 1971-04-20 | 1971-10-20 | $7700.00 | Window Closed / Lapsed |