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Patent US2862964A successfully refreshed from Google Patents.
US2862964A
Expired / Lapsed
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Process for producing monochloro acetyl chloride
Assignee: Distillers Co Yeast Ltd
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Filing: 1956-06-22
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Granted: 1958-12-02
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Expires: 1976-06-22
Abstract
No abstract record available.
Inventors
- 👤 Lacey Richard Norman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:32
CPC Classifications
C; C07; C07C; C07C51/00; C07C51/58
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
IN A PROCESS FOR THE PRODUCTION OF CHLOROACTYL CHLORIDE WHICH COMPRISES INTERACTING CHLORINE AND KETENE, THE IMPROVEMENT WHEREIN THE REACTION TAKES PLACE IN THE LIQUID PHASE IN AN ALKYL ACETATE, THE ALKYL GROUP OF THE LATTER CONTAINING LESS THAN 6 CARBON ATOMS, WHEREBY PRODUCTION OF DICHLOROACETYL CHLORIDE IS SUPPRESSED.
Claim 2
Dependent Claim
49 words
IN A PROCESS FOR THE PRODUCTION OF CHLOROACTYL CHLORIDE WHICH COMPRISES INTERACTING CHLORINE AND KETENE, THE IMPROVEMENT WHEREIN THE REACTION TAKES PLACE IN THE LIQUID PHASE IN AN ALKYL ACETATE, THE ALKYL GROUP OF THE LATTER CONTAINING LESS THAN 6 CARBON ATOMS, WHEREBY PRODUCTION OF DICHLOROACETYL CHLORIDE IS SUPPRESSED.
References Cited (Backward Citations)
US2697115A
Cited
GB735902A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-01 | 1962-06-02 | 1962-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-01 | 1966-06-02 | 1966-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-01 | 1970-06-02 | 1970-12-02 | $7700.00 | Window Closed / Lapsed |