Patent US3418388A successfully refreshed from Google Patents.
US3418388A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chlorination of normal paraffins in the presence of benzene and alkylation of the benzene
Assignee: Gulf Research and Development Co
•
Filing: 1964-07-16
•
Granted: 1968-12-24
•
Expires: 1984-07-16
Abstract
No abstract record available.
Inventors
- 👤 Daniel J Hurley
- 👤 Robert W Rosenthal
- 👤 Roger C Williamson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 04:02
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/86; C07C2/861; B; B01; B01J; B01J19/00; B01J19/08; B01J19/12; B01J19/122; B01J19/123; C07C15/00; C07C15/02; C07C15/107; C07C17/00; C07C17/093; C07C17/10; C07C2527/00; C07C2527/06; C07C2527/125; C07C2527/126; Y; Y10; Y10S; Y10S585/00; Y10S585/929; Y10S585/93; Y10S585/935
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A PROCESS WHICH COMPRISES PASSING GASEOUS CHLORINE THROUGH A MIXTURE CONTAINING BENZENE AND AT LEAST ONE NORMAL PARAFFIN SELECTED FROM THE GROUP CONSISTING OF NORMAL PARAFFINS HAVING FROM 10 TO 16 CARBON ATOMS, TWO TO 20 MOLS OF BENZENE BEING USED PER MOL OF NORMAL PARAFFIN, IN THE PRESENCE OF LIGHT, AT A TEMPERATURE OF 10* TO 78*C. AND THEREAFTER ALKYLATING THE SAME BENZENE WITH THE NORMAL ALKYL CHLORIDES SO PRODUCED IN THE PRESENCE OF AN ALKYLATION CATALYST.
Claim 2
Dependent Claim
78 words
A PROCESS WHICH COMPRISES PASSING GASEOUS CHLORINE THROUGH A MIXTURE CONTAINING BENZENE AND AT LEAST ONE NORMAL PARAFFIN SELECTED FROM THE GROUP CONSISTING OF NORMAL PARAFFINS HAVING FROM 10 TO 16 CARBON ATOMS, TWO TO 20 MOLS OF BENZENE BEING USED PER MOL OF NORMAL PARAFFIN, IN THE PRESENCE OF LIGHT, AT A TEMPERATURE OF 10* TO 78*C. AND THEREAFTER ALKYLATING THE SAME BENZENE WITH THE NORMAL ALKYL CHLORIDES SO PRODUCED IN THE PRESENCE OF AN ALKYLATION CATALYST.
References Cited (Backward Citations)
GB290508A
Cited
US2209462A
Cited
GB701702A
Cited
US2688643A
Cited
US2743304A
Cited
US2997508A
Cited
US3259664A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-24 | 1972-06-24 | 1972-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-24 | 1976-06-24 | 1976-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-24 | 1980-06-24 | 1980-12-24 | $7700.00 | Window Closed / Lapsed |