Patent US2746998A successfully refreshed from Google Patents.
US2746998A
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Chlorination process
Assignee: Chempatents Inc
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Filing: 1954-10-18
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Granted: 1956-05-22
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Expires: 1974-10-18
Abstract
No abstract record available.
Inventors
- 👤 Brown David
- 👤 John W Colton
- 👤 Landan Ralph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:31
CPC Classifications
C; C07; C07C; C07C17/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
IN A PROCESS FOR THE PREPARATION AND RECOVERY OF CHLORINATED HYDROCARBONS AND HYDROGEN CHLORIDE BY THE THERMAL CHLORINATION OF A MEMBER OF THE GROUP CONSISTING OF ALIPHATIC HYDROCARBONS HAVING 1 TO 4 CARBON ATOMS IN THE MOLECULE AND PARTIAL CHLORINATION DERIVATIVES THEREOF, THE IMPROVEMENT WHICH COMPRISES RAPIDLY QUENCHING THE HOT EXIT GASES FROM THE REACTOR WITH A LIQUID BODY ESSENTIALLY CONTAINING LIQUID AQUEOUS HYDROCHLORIC ACID OF AT LEAST 19% HYDROGEN CHLORIDE.
Claim 2
Dependent Claim
71 words
IN A PROCESS FOR THE PREPARATION AND RECOVERY OF CHLORINATED HYDROCARBONS AND HYDROGEN CHLORIDE BY THE THERMAL CHLORINATION OF A MEMBER OF THE GROUP CONSISTING OF ALIPHATIC HYDROCARBONS HAVING 1 TO 4 CARBON ATOMS IN THE MOLECULE AND PARTIAL CHLORINATION DERIVATIVES THEREOF, THE IMPROVEMENT WHICH COMPRISES RAPIDLY QUENCHING THE HOT EXIT GASES FROM THE REACTOR WITH A LIQUID BODY ESSENTIALLY CONTAINING LIQUID AQUEOUS HYDROCHLORIC ACID OF AT LEAST 19% HYDROGEN CHLORIDE.
References Cited (Backward Citations)
US1950720A
Cited
US2321472A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-22 | 1959-11-21 | 1960-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-22 | 1963-11-21 | 1964-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-22 | 1967-11-21 | 1968-05-22 | $7700.00 | Window Closed / Lapsed |