US2870101A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyalkylene oxide resins
Assignee: Shell Development Co
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Filing: 1956-10-05
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Granted: 1959-01-20
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Expires: 1976-10-05
Abstract
No abstract record available.
Inventors
- 👤 Stewart David Gordon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:57
CPC Classifications
C; C08; C08G; C08G65/00; C08G65/02; C08G65/04; C08G65/06; C08G65/08; C08G65/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A PROCESS FOR POLYMERIZING A VIC-EPOXY HYDROCAR BON FREE OF UNSATURATION OTHER THAN AROMATIC UNSATURA TION COMPRISING REACTING SAID HYDROCARBONS AT A TEM PERATURE FROM ABOUT 0* C. TO ABOUT 300* C. IN THE PRESENCE OF A COMPLEX POLYMERIZING CATALYST OF THE FORMULA (M1(R1)(R2)A(R3)B(R4)C(R5)D)(M2)$ WHEREIN M1 AND M2 ARE DIFFERENT METALS IN WHICH M1 IS A METAL SELECTED FROM GROUPS 11 AND 111 OF THE PERIODIC TABLE, M2 IS A METAL SELECTED FROM GROUPS 1, 11 AND 111 OF THE PERIODIC TABLE, R1 IS SELECTED FROM THE GROUP CONSISTING OF ALKYL AND ALKOXY, R2 IS ALKYL, R3 IS ALKOXY, R4 IS A HALOGEN, R5 IS HYDROGEN, AND THE SUM OF THE INTEGERS A+B+C+D IS A NUMBER FROM 2 TO 4 AND Y IS A POSITIVE WHOLE NUMBER.
Claim 2
Dependent Claim
127 words
A PROCESS FOR POLYMERIZING A VIC-EPOXY HYDROCAR BON FREE OF UNSATURATION OTHER THAN AROMATIC UNSATURA TION COMPRISING REACTING SAID HYDROCARBONS AT A TEM PERATURE FROM ABOUT 0* C. TO ABOUT 300* C. IN THE PRESENCE OF A COMPLEX POLYMERIZING CATALYST OF THE FORMULA (M1(R1)(R2)A(R3)B(R4)C(R5)D)(M2)$ WHEREIN M1 AND M2 ARE DIFFERENT METALS IN WHICH M1 IS A METAL SELECTED FROM GROUPS 11 AND 111 OF THE PERIODIC TABLE, M2 IS A METAL SELECTED FROM GROUPS 1, 11 AND 111 OF THE PERIODIC TABLE, R1 IS SELECTED FROM THE GROUP CONSISTING OF ALKYL AND ALKOXY, R2 IS ALKYL, R3 IS ALKOXY, R4 IS A HALOGEN, R5 IS HYDROGEN, AND THE SUM OF THE INTEGERS A+B+C+D IS A NUMBER FROM 2 TO 4 AND Y IS A POSITIVE WHOLE NUMBER.
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) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |