US2766306A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conversion of polycyclic hydrocarbons
Assignee: Houdry Process Corp
•
Filing: 1951-09-04
•
Granted: 1956-10-09
•
Expires: 1971-09-04
Abstract
No abstract record available.
Inventors
- 👤 Heinemann Heinz
- 👤 John W Wetzel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:11
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/70; C; C07; C07C; C07C15/00; C10; C10G; C10G47/00; C10G47/02; C10G47/10; C10G47/12; C10G47/16; C10G47/20; B01J37/00; B01J37/02; B01J37/0201
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
THE METHOD OF FORMING AROMATIC MONOCYCLIC HYDROCARBONS FROM POLYCYCLIC AROMATIC HYDROCARBONS IN A CHARGE STOCK CONTAINING THE LATTER, WHICH COMPRISES SUBJECTING SUCH A CHARGE STOCK TO HYDROGENATIVE CRACKING IN CONTACT WITH A CATALYST COMPRISING A SILICEOUS CRACKING COMPONENT INTIMATELY COMBINED WITH A MINOR QUANTITY OF NICKEL, SAID CRACKING COMPONENT HAVING AN ACIDITY CORRESPONDING TO A QUINOLINE CHEMISORPTION CAPACITY OF NOT LESS THAN 0.025 MILLIEQUIVALENTS PER GRAM AND THE QUANTITY OF NICKEL IN SAID CATALYST BEING CORRELATED WITH THE ACIDITY OF THE CRACKING COMPONENT SUCH THAT THE CATALYST CONTAINS 2.5 TO 15 MILLIMOLS NIPER MILLIEQUIVALENT QUINOLINE CHEMISORPTION CAPACITY OF THE CRACKING COMPONENT, SUCH CONTAT BEING EFFECTED AT A TEMPERATURE OF 800-1000* F., UNDER A HYDROGEN PARTIAL PRESSURE OF AT LEAST 1000 POUNDS PER SQUARE INCH, HYDROGEN BEING ADDED IN AN AMOUNT EQUAL TO AT LEAST THREE MOLS PER MOL OF CHARGE STOCK.
Claim 2
Independent Claim
141 words
THE METHOD OF FORMING AROMATIC MONOCYCLIC HYDROCARBONS FROM POLYCYCLIC AROMATIC HYDROCARBONS IN A CHARGE STOCK CONTAINING THE LATTER, WHICH COMPRISES SUBJECTING SUCH A CHARGE STOCK TO HYDROGENATIVE CRACKING IN CONTACT WITH A CATALYST COMPRISING A SILICEOUS CRACKING COMPONENT INTIMATELY COMBINED WITH A MINOR QUANTITY OF NICKEL, SAID CRACKING COMPONENT HAVING AN ACIDITY CORRESPONDING TO A QUINOLINE CHEMISORPTION CAPACITY OF NOT LESS THAN 0.025 MILLIEQUIVALENTS PER GRAM AND THE QUANTITY OF NICKEL IN SAID CATALYST BEING CORRELATED WITH THE ACIDITY OF THE CRACKING COMPONENT SUCH THAT THE CATALYST CONTAINS 2.5 TO 15 MILLIMOLS NIPER MILLIEQUIVALENT QUINOLINE CHEMISORPTION CAPACITY OF THE CRACKING COMPONENT, SUCH CONTAT BEING EFFECTED AT A TEMPERATURE OF 800-1000* F., UNDER A HYDROGEN PARTIAL PRESSURE OF AT LEAST 1000 POUNDS PER SQUARE INCH, HYDROGEN BEING ADDED IN AN AMOUNT EQUAL TO AT LEAST THREE MOLS PER MOL OF CHARGE STOCK.
References Cited (Backward Citations)
US2464539A
Cited
US2431940A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-09 | 1960-04-09 | 1960-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-09 | 1964-04-09 | 1964-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-09 | 1968-04-09 | 1968-10-09 | $7700.00 | Window Closed / Lapsed |