US3115418A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of producing graft polymers and resultant graft polymer
Assignee: Centre National de la Recherche Scientifique
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Filing: 1955-12-14
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Granted: 1963-12-24
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Expires: 1975-12-14
Abstract
No abstract record available.
Inventors
- 👤 Magat Michel
- 👤 Chapiro Adolphe
- 👤 Sebban Jeanne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:13
CPC Classifications
C; C08; C08J; C08J7/00; C08J7/12; C08J7/16; C08J7/18; C08F; C08F291/00; C08F291/18; C08F291/185; Y; Y10; Y10S; Y10S8/00; Y10S8/18; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31536; Y10T428/31725; Y10T428/31786; Y10T428/31797; Y10T428/31855; Y10T428/31909; Y10T428/31913; Y10T428/3192; Y10T428/31928
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
PROCESS FOR PRODUCING GRAFT POLYMERS WHICH COMPRISES SUBJECTING AN ORGANIC POLYMER TO HIGH ENERGY IONIZING RADITION, IN THE PRESENCE OF OXYGEN WITH AN EFFECTIVE RADIATION DOSE TO CAUSE FORMATION OF ACTIVE CENTERS, AND THEREAFTER CONTACTING THE IRRADIATED POLYMER WITH A MONOMER CAPABLE OF BEING POLYMERIZED BY FREE RADICALS TO THEREBY GRAFT POLYMERIZE SAID MONOMER ONTO SAID POLYMER.
Claim 2
Dependent Claim
57 words
PROCESS FOR PRODUCING GRAFT POLYMERS WHICH COMPRISES SUBJECTING AN ORGANIC POLYMER TO HIGH ENERGY IONIZING RADITION, IN THE PRESENCE OF OXYGEN WITH AN EFFECTIVE RADIATION DOSE TO CAUSE FORMATION OF ACTIVE CENTERS, AND THEREAFTER CONTACTING THE IRRADIATED POLYMER WITH A MONOMER CAPABLE OF BEING POLYMERIZED BY FREE RADICALS TO THEREBY GRAFT POLYMERIZE SAID MONOMER ONTO SAID POLYMER.
References Cited (Backward Citations)
US2566251A
Cited
US2666025A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-23 | 1967-06-24 | 1967-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-23 | 1971-06-24 | 1971-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-23 | 1975-06-24 | 1975-12-24 | $7700.00 | Window Closed / Lapsed |