US3068122A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Selected graft polymers and their preparation
Assignee: EIDP Inc
•
Filing: 1958-03-10
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Granted: 1962-12-11
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Expires: 1978-03-10
Abstract
No abstract record available.
Inventors
- 👤 Edward T Cline
- 👤 Tanner David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:03
CPC Classifications
D; D06; D06M; D06M14/00; D06M14/18; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31725; Y10T428/31739; Y10T428/31786
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
THE PROCESS WHICH COMPRISES BONDING, BY MEANS OF IRRADIATION WITH IONIZING RADIATION HAVING A MINIMUM ENERGY EQUIVALENT TO 5/ ELECTRON VOLTS FOR A MINIMUM DOSAGE OF 100 RADS, TO A PRESHAPED POLYMERIC SUBSTRATE A MEMBER OF THE GROUP CONSISTING OF (1) ESTERS OF UNSATURATED ALCOHOLS HAVING AT LEAST ONE CENTER OF NONAROMATIC CARBON-TOCARBON UNSATURATION AND LIGAND ACIDS, SAID ESTERS BEING CAPABLE OF FORMING METAL CHELATES, AND (2) PREFORMED METAL CHELATES OF SAID ESTERS, WITH THE PROVISO THAT, WHEN AN ESTER IS EMPLOYED, THE ESTER IS CONVERTED TO THE CHELATE AFTER BEING BONDED TO THE SUBSTRATE.
Claim 2
Dependent Claim
95 words
THE PROCESS WHICH COMPRISES BONDING, BY MEANS OF IRRADIATION WITH IONIZING RADIATION HAVING A MINIMUM ENERGY EQUIVALENT TO 5/ ELECTRON VOLTS FOR A MINIMUM DOSAGE OF 100 RADS, TO A PRESHAPED POLYMERIC SUBSTRATE A MEMBER OF THE GROUP CONSISTING OF (1) ESTERS OF UNSATURATED ALCOHOLS HAVING AT LEAST ONE CENTER OF NONAROMATIC CARBON-TOCARBON UNSATURATION AND LIGAND ACIDS, SAID ESTERS BEING CAPABLE OF FORMING METAL CHELATES, AND (2) PREFORMED METAL CHELATES OF SAID ESTERS, WITH THE PROVISO THAT, WHEN AN ESTER IS EMPLOYED, THE ESTER IS CONVERTED TO THE CHELATE AFTER BEING BONDED TO THE SUBSTRATE.
References Cited (Backward Citations)
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US2897092A
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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) | 1965-12-10 | 1966-06-11 | 1966-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-10 | 1970-06-11 | 1970-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-10 | 1974-06-11 | 1974-12-11 | $7700.00 | Window Closed / Lapsed |