Patent US3328467A successfully refreshed from Google Patents.
US3328467A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Condensation of alkylene oxides
Assignee: Mobil Oil AS
•
Filing: 1963-10-25
•
Granted: 1967-06-27
•
Expires: 1983-10-25
Abstract
No abstract record available.
Inventors
- 👤 Lyle A Hamilton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:43
CPC Classifications
C; C07; C07C; C07C323/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
A PROCESS FOR PROMOTING CONDENSATION OF ALKYLENE OXIDES WHICH COMPRISES EFFECTING REACTION OF AN ALKYLENE OXIDE CONTAINING FROM 2 TO 8 CARBON ATOMS SELECTED FROM THE GROUP CONSISTING OF UNSUBSTITUTED ALYLENE OXIDES AND ALKLYENE OXIDES SUBSTITUTED WITH SUBSTITUTENTS SELECTED FROM THE GROUP CONSISTING OF ALKYL, ARYL, THE HALO GROUPS, NITRO, AND ALKOXY GROUPS AND AN ORGANIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALKANOL, ALKANEDIOSL, PHENOLS, ALKANETHIOS, ARYLTHIOLS, ALKYL AND ARYL AMINES CONTAINING FROM 1 TO 12 CARBON ATOMS AND COMPOUNDS OF THIS GROUP FURTHER SUBSTITUTED BY A RADCIAL SELECTED FROM THE GROUP CONSISTING OF ALKYL, HALO, NITRO, AND ALKOXY RADICALS IN THE PRESENCE OF A CATALYST COMPRISING A CRYSTALLINE ALUMINOSILICATE HAVING ACTIVE CATIONSITES WITHIN AN ORDERED INTERNAL STRUCTURE; SAID INTERNAL STRUCTURE HAVING A DEFINED PORE SIZE OF FROM 5 A TO 15 A. WHEREBY THE AFORENOTED REACTANTS ARE ADMITTED WITHIN AND THE RESULTING REACTION PRODUCTS ARE RELEASED FROM SAID CATALYST.
Claim 2
Dependent Claim
151 words
A PROCESS FOR PROMOTING CONDENSATION OF ALKYLENE OXIDES WHICH COMPRISES EFFECTING REACTION OF AN ALKYLENE OXIDE CONTAINING FROM 2 TO 8 CARBON ATOMS SELECTED FROM THE GROUP CONSISTING OF UNSUBSTITUTED ALYLENE OXIDES AND ALKLYENE OXIDES SUBSTITUTED WITH SUBSTITUTENTS SELECTED FROM THE GROUP CONSISTING OF ALKYL, ARYL, THE HALO GROUPS, NITRO, AND ALKOXY GROUPS AND AN ORGANIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALKANOL, ALKANEDIOSL, PHENOLS, ALKANETHIOS, ARYLTHIOLS, ALKYL AND ARYL AMINES CONTAINING FROM 1 TO 12 CARBON ATOMS AND COMPOUNDS OF THIS GROUP FURTHER SUBSTITUTED BY A RADCIAL SELECTED FROM THE GROUP CONSISTING OF ALKYL, HALO, NITRO, AND ALKOXY RADICALS IN THE PRESENCE OF A CATALYST COMPRISING A CRYSTALLINE ALUMINOSILICATE HAVING ACTIVE CATIONSITES WITHIN AN ORDERED INTERNAL STRUCTURE; SAID INTERNAL STRUCTURE HAVING A DEFINED PORE SIZE OF FROM 5 A TO 15 A. WHEREBY THE AFORENOTED REACTANTS ARE ADMITTED WITHIN AND THE RESULTING REACTION PRODUCTS ARE RELEASED FROM SAID CATALYST.
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) | 1970-06-26 | 1970-12-26 | 1971-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-26 | 1974-12-26 | 1975-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-26 | 1978-12-26 | 1979-06-27 | $7700.00 | Window Closed / Lapsed |