US3651019A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of adducts of carbon tetrachloride or chloroform with olefinically unsaturated substances
Assignee: Yeda Research and Development Co Ltd
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Filing: 1965-07-27
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Granted: 1972-03-21
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Expires: 1985-07-27
Abstract
Abstract A PROCESS FOR THE PRODUCTION OF 1:1 ADDUCTS OF CARBON TETRACHLORIDE OR CHLOROFORM WITH OLEFINICALLY UNSATURATED COMPOUNDS IN THE PRESENCE OF IRON OR COPPER COMPOUND CATAYLST, WHICH ARE AT LEAST PARTIALLY IN REDUCED VALENCE STATES.
Inventors
- 👤 Meir Asscher
- 👤 Aharon Katchalsky
- 👤 David Vofsi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:40
CPC Classifications
C; C08; C08C; C08C19/00; C08C19/12; C08C19/18; C07; C07C; C07C17/00; C07C17/26; C07C17/272; C07C17/275; C07C17/278; C07C19/00; C07C19/01; C07C21/00; C07C21/02; C07C21/04; C07C22/00; C07C22/02; C07C22/04; C07C43/00; C07C43/02; C07C43/03; C07C43/14; C07C43/17; C07C43/174; C07C51/00; C07C51/347; C07C51/363; C07C53/00; C07C53/15; C07C53/19
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) | 1975-03-21 | 1975-09-20 | 1976-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-03-21 | 1979-09-20 | 1980-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-03-21 | 1983-09-20 | 1984-03-21 | $7700.00 | Window Closed / Lapsed |