US2646452A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkylation by modified aluminum halide catalyst
Assignee: Universal Oil Products Co
•
Filing: 1949-05-20
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Granted: 1953-07-21
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Expires: 1969-05-20
Abstract
No abstract record available.
Inventors
- 👤 Schmerling Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:51
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/86; C07C2/861; B; B01; B01J; B01J27/00; B01J27/06; B01J27/14; B01J27/16; C07C2/54; C07C2/56; C07C2/58; C07C2/60; C07C2/64; C07C2/66; C07C2/68; C07C2527/00; C07C2527/06; C07C2527/125; C07C2527/126; C07C2527/14; C07C2527/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A CONVERSION PROCESS WHICH COMPRISES ALKYLATING HYDROCARBON IN THE PRESENCE OF CATALYST COMPRISING THE PRODUCT RESULTING FROM THE REACTION OF ONE MOLE OF A PHOSPHORUS OXYHALIDE WITH FROM ONE TO TWO MOLES OF AN ANHYDROUS ALUMINUM HALIDE SELECTED FROM THE GROUP CONSISTING OF ALUMINUM CHLORIDE AND ALUMINUM BROMIDE AT A TEMPERATURE OF FROM ABOUT -30* TO ABOUT 150* C.
Claim 2
Dependent Claim
59 words
A CONVERSION PROCESS WHICH COMPRISES ALKYLATING HYDROCARBON IN THE PRESENCE OF CATALYST COMPRISING THE PRODUCT RESULTING FROM THE REACTION OF ONE MOLE OF A PHOSPHORUS OXYHALIDE WITH FROM ONE TO TWO MOLES OF AN ANHYDROUS ALUMINUM HALIDE SELECTED FROM THE GROUP CONSISTING OF ALUMINUM CHLORIDE AND ALUMINUM BROMIDE AT A TEMPERATURE OF FROM ABOUT -30* TO ABOUT 150* C.
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) | 1956-07-20 | 1957-01-19 | 1957-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-20 | 1961-01-19 | 1961-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-20 | 1965-01-19 | 1965-07-21 | $7700.00 | Window Closed / Lapsed |