US2564072A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkylation process
Assignee: Standard Oil Co
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Filing: 1947-12-18
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Granted: 1951-08-14
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Expires: 1967-12-18
Abstract
No abstract record available.
Inventors
- 👤 Arthur P Lien
- 👤 Hill Philip
- 👤 John F Deters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:43
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/54; C07C2/56; C07C2/58; C07C2/62; C07C15/00; C07C15/02; C07C15/107; C07C2/64; C07C2/66; C07C2/70; C07C37/00; C07C37/11; C07C37/14; F; F16; F16H; F16H1/00; F16H1/02; F16H1/04; F16H1/12; F16H1/16; F16H1/166; F16H55/00; F16H55/02; F16H55/10; C07C2527/00; C07C2527/06; C07C2527/08; C07C2527/12; C07C2527/1206; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/584; Y10; Y10S; Y10S208/00; Y10S208/95
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
THE PROCESS WHICH COMPRISES CONTACTING A MONOCYCLIC AROMATIC HYDROCARBON UNDER ALKYLATING CONDITIONS OF TEMPERATURE AND PRESSURE WITH A CATALYST CONSISTING ESSENTIALY OF LIQUID HYDROGEN FLUORIDE AND AN OLEFINIC HYDROCARBON FRACTION HAVING 10 TO 15 CARBON ATOMS, INCLUSIVE, IN THE MOLECULE, SAID OLEFINIC HYDROCARBON FRACTION COMPRISING PREFERENTIALLY OIL-SOLUBLE, NEUTRAL OXYGEN-CONTAINING ORGANIC COMPOUNDS INCLUDING ORGANIC COMPOUNDS CONTAINING A CARBONYL GROUP, SAID OLEFINIC HYDROCARBON FRACTION BEING DERIVED FROM THE HYDROGENATION OF CARBON MONOXIDE IN THE PRESENCE OF AN IRON CATALYST, EFFECTING SAID CONTACTING IN SUCH A MANNER AS TO AVOID CONTACT OF SAID OLEFINIC HYDROCARBON FRACTION WITH SAID LIQUID HYDROGEN FLUORIDE IN THE ABSENCE OF SAID MONOCYCLIC AROMATIC HYDROCARBON, AND SEPARATING ALKYLATION PRODUCTS AND A PARTIALLY SPENT LIQUID CATALYST PHASE COMPRISING SAID OXYGENCONTAINING ORGANIC COMPOUNDS, RESPECTIVELY, FROM
Claim 2
Dependent Claim
124 words
THE PROCESS WHICH COMPRISES CONTACTING A MONOCYCLIC AROMATIC HYDROCARBON UNDER ALKYLATING CONDITIONS OF TEMPERATURE AND PRESSURE WITH A CATALYST CONSISTING ESSENTIALY OF LIQUID HYDROGEN FLUORIDE AND AN OLEFINIC HYDROCARBON FRACTION HAVING 10 TO 15 CARBON ATOMS, INCLUSIVE, IN THE MOLECULE, SAID OLEFINIC HYDROCARBON FRACTION COMPRISING PREFERENTIALLY OIL-SOLUBLE, NEUTRAL OXYGEN-CONTAINING ORGANIC COMPOUNDS INCLUDING ORGANIC COMPOUNDS CONTAINING A CARBONYL GROUP, SAID OLEFINIC HYDROCARBON FRACTION BEING DERIVED FROM THE HYDROGENATION OF CARBON MONOXIDE IN THE PRESENCE OF AN IRON CATALYST, EFFECTING SAID CONTACTING IN SUCH A MANNER AS TO AVOID CONTACT OF SAID OLEFINIC HYDROCARBON FRACTION WITH SAID LIQUID HYDROGEN FLUORIDE IN THE ABSENCE OF SAID MONOCYCLIC AROMATIC HYDROCARBON, AND SEPARATING ALKYLATION PRODUCTS AND A PARTIALLY SPENT LIQUID CATALYST PHASE COMPRISING SAID OXYGENCONTAINING ORGANIC COMPOUNDS, RESPECTIVELY, FROM
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) | 1954-08-13 | 1955-02-12 | 1955-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-13 | 1959-02-12 | 1959-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-13 | 1963-02-12 | 1963-08-14 | $7700.00 | Window Closed / Lapsed |