US3038863A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymerization catalyst
Assignee: EIDP Inc
•
Filing: 1956-05-15
•
Granted: 1962-06-12
•
Expires: 1976-05-15
Abstract
No abstract record available.
Inventors
- 👤 Jr Joseph Hendrickson Balthis
- 👤 Gresham William Franklin
- 👤 Merckling Nicholas George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:56
CPC Classifications
C; C08; C08F; C08F10/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A CATALYST COMPOSITION CONSISTING ESSENTIALLY OF THE PRODUCT FORMED BY CONTACTING A PENTAVALENT MOLYBDENUM COMPOUND IN WHICH MOLYBDENUM IS COMBINED WITH RADICALS SELECTED FROM THE GROUP CONSISTING OF LOWER ALKOXIDES AND HALIDES, WITH A REDUCING AGENT CONSISTING ESSENTIALLY OF A METAL HYDRIDE, SAID REDUCING AGENT BEING EMPLOYED IN A MOLAR RATIO TO SAID MOLYBDENUM COMPOUND VARYING FROM 0.3 TO 10.
Claim 2
Dependent Claim
60 words
A CATALYST COMPOSITION CONSISTING ESSENTIALLY OF THE PRODUCT FORMED BY CONTACTING A PENTAVALENT MOLYBDENUM COMPOUND IN WHICH MOLYBDENUM IS COMBINED WITH RADICALS SELECTED FROM THE GROUP CONSISTING OF LOWER ALKOXIDES AND HALIDES, WITH A REDUCING AGENT CONSISTING ESSENTIALLY OF A METAL HYDRIDE, SAID REDUCING AGENT BEING EMPLOYED IN A MOLAR RATIO TO SAID MOLYBDENUM COMPOUND VARYING FROM 0.3 TO 10.
References Cited (Backward Citations)
US2287244A
Cited
US2406869A
Cited
US2367263A
Cited
US2440498A
Cited
US2524771A
Cited
US2727024A
Cited
BE533362A
Cited
US2725374A
Cited
BE534888A
Cited
BE534792A
Cited
BE538782A
Cited
US2900372A
Cited
US2822357A
Cited
US2850488A
Cited
US2843577A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-11 | 1965-12-11 | 1966-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-11 | 1969-12-11 | 1970-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-11 | 1973-12-11 | 1974-06-12 | $7700.00 | Window Closed / Lapsed |