US3701722A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of alpha-haloketones using ultraviolet light
Assignee: Procter and Gamble Co
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Filing: 1971-06-16
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Granted: 1972-10-31
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Expires: 1991-06-16
Abstract
Abstract A PROCESS FOR PREPARING A-HALOKETONES FROM OLEFINS, OXYGEN, AND A HYDROGEN HALIDE USING A METAL SALT CATALYST AND ULTRAVIOLET LIGHT. SUCH HALOKETONES ARE USEFUL AS INTERMEDIATES IN THE PREPARATION OF FABRIC SOFTENING AND SURFACTANT COMPOUNDS.
Inventors
- 👤 David C Heckert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:29
CPC Classifications
C; C07; C07C; C07C49/00; C07C49/04; C07C49/16; B; B01; B01J; B01J37/00; B01J37/34; B01J37/341; B01J37/344; B01J37/345; C07C45/00; C07C45/27; C07C45/32; C07C45/33; C07C45/34; Y; Y10; Y10S; Y10S204/00; Y10S204/902; Y10S204/903; Y10S204/904; Y10S204/905
Claims Analysis
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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) | 1975-10-31 | 1976-05-01 | 1976-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-31 | 1980-05-01 | 1980-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-31 | 1984-05-01 | 1984-10-31 | $7700.00 | Window Closed / Lapsed |