US3766232A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organo metallic peroxidic derivatives of molybdenum and tungsten and their process of manufacture and use
Assignee: DU PETROLE DES CARBURANTS ET LUBRIFIANTS INST FR
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Filing: 1971-03-16
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Granted: 1973-10-16
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Expires: 1991-03-16
Abstract
Abstract COMPOUNDS OF THE FORMULA H2MO6.NA WHEREIN M IS TUNGSTEN OR MOLYBDENUM, N IS 1 OR 2 AND A IS A CARBOXYLIC AMIDE OF THE FORMULA R1-CO-N(-R2)-R3 WHEREIN R1 IS HYDROGEN OR A ONOVALENT HYDROCARBON RADICAL AND R2 AND R3 ARE MONOVALENT HYDROCARBON RADICALS OR ARE COMBINED TOGETHER TO FORM A RING WITH THE ADJACENT NITROGEN ATOM. THEY ARE USEFUL AS EPOXIDATION AGENTS FOR OLEFINIC DOUBLE BONDS, EITHER AS REACTANTS PER SE OR IN SMALL AMOUNTS AS CATALYSTS USED TOGETHER WITH HYDROPEROXIDES OR HYDROGEN PEROXIDE OR WITH OXYGEN IN COMBINATION WITH A 9,10-DIHYDROXYANTHRACENE.
Inventors
- 👤 H Mimoun
- 👤 De Roch I Seree
- 👤 L Sajus
- 👤 P Menguy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:52
CPC Classifications
C; C07; C07F; C07F11/00; C07F11/005; C07D; C07D301/00; C07D301/02; C07D301/03; C07D301/12; C07D303/00; C07D303/02; C07D303/04
Claims Analysis
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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) | 1976-10-15 | 1977-04-16 | 1977-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-15 | 1981-04-16 | 1981-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-15 | 1985-04-16 | 1985-10-16 | $7700.00 | Window Closed / Lapsed |