US2533053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of monohaloalkanes
Assignee: Universal Oil Products Co
•
Filing: 1946-09-28
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Granted: 1950-12-05
•
Expires: 1966-09-28
Abstract
No abstract record available.
Inventors
- 👤 Schmerling Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:59
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/26; C07C17/272; C07C17/275
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A PROCESS WHICH COMPRISES REACTING A MONOHALOCLAKANE HAVING AT LEAST THREE CARBON ATOMS PER MOLECULE AND A HALOGEN OF AT LEAST 35 ATOMIC WEIGHT WITH AN ALIPHATIC MONOOLEFIN IN WHICH AT LEAST ONE HYDROGEN ATOM IS COMBINED WITH EACH OF THE CARBON ATOMS JOINED BY THE DOUBLE BOND IN THE PRESENCE OF A FRIEDEL-CRAFTS METAL HALIDE CATALYST AT A TEMPERATURE SUCH THAT THE PRINCIPAL REACTION OF THE PROCESS IS THE FORMATION OF A MONOHALOALKANE HAVING A MOLECULAR WEIGHT EQUAL TO THE SUM OF THE MOLECULAR WEIGHTS OF THE REACTING MONOHALOALKANE AND MONOOLEFIN.
Claim 2
Dependent Claim
92 words
A PROCESS WHICH COMPRISES REACTING A MONOHALOCLAKANE HAVING AT LEAST THREE CARBON ATOMS PER MOLECULE AND A HALOGEN OF AT LEAST 35 ATOMIC WEIGHT WITH AN ALIPHATIC MONOOLEFIN IN WHICH AT LEAST ONE HYDROGEN ATOM IS COMBINED WITH EACH OF THE CARBON ATOMS JOINED BY THE DOUBLE BOND IN THE PRESENCE OF A FRIEDEL-CRAFTS METAL HALIDE CATALYST AT A TEMPERATURE SUCH THAT THE PRINCIPAL REACTION OF THE PROCESS IS THE FORMATION OF A MONOHALOALKANE HAVING A MOLECULAR WEIGHT EQUAL TO THE SUM OF THE MOLECULAR WEIGHTS OF THE REACTING MONOHALOALKANE AND MONOOLEFIN.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-04 | 1954-06-05 | 1954-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-04 | 1958-06-05 | 1958-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-04 | 1962-06-05 | 1962-12-05 | $7700.00 | Window Closed / Lapsed |