US3278441A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for making magnetic metalcontaining polymer compositions
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1963-12-20
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Granted: 1966-10-11
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Expires: 1983-12-20
Abstract
No abstract record available.
Inventors
- 👤 Thomas A Manuel
- 👤 Berger Martin
- 👤 Samuel B Lippincott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:45
CPC Classifications
C; C08; C08F; C08F8/00; C08F8/42; C08C; C08C19/00; C08C19/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
A METHOD OF PREPARING A METAL-CONTAINING MAGNETIC POLYMER WHICH COMPRISES REACTING ETHYLENICALLY UNSATURATED HYDROCARBON POLYMER WITH A METAL CARBONYL COMPOUND, SAID METAL CARBONYL COMPOUND BEING PRESENT IN THE REACTION IN A CONCENTRATION OF AT LEAST 2.00 MOLES OF METAL CARBONYL PER MOLE OF ETHYLENICALLY UNSATURATION IN THE POLYMER AND WHEREIN AT LEAST A PORTION OF SAID REACTION IS CARRIED OUT WITHIN A MAGNETIC FIELD HAVING AN AVERAGE FORCE OF AT LEAST 2 OERSTEDS.
Claim 2
Independent Claim
73 words
A METHOD OF PREPARING A METAL-CONTAINING MAGNETIC POLYMER WHICH COMPRISES REACTING ETHYLENICALLY UNSATURATED HYDROCARBON POLYMER WITH A METAL CARBONYL COMPOUND, SAID METAL CARBONYL COMPOUND BEING PRESENT IN THE REACTION IN A CONCENTRATION OF AT LEAST 2.00 MOLES OF METAL CARBONYL PER MOLE OF ETHYLENICALLY UNSATURATION IN THE POLYMER AND WHEREIN AT LEAST A PORTION OF SAID REACTION IS CARRIED OUT WITHIN A MAGNETIC FIELD HAVING AN AVERAGE FORCE OF AT LEAST 2 OERSTEDS.
References Cited (Backward Citations)
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US2974104A
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US3117092A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |