US3711389A
Expired / Lapsed
US
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Process for treating polymeric substrates with high-energy radiation
Assignee: MOLECULON Inc 230 ALBANY STREET CAMBRIDE MASSACHUSETTS 02139 A DE CORP
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Filing: 1969-07-15
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Granted: 1973-01-16
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Expires: 1989-07-15
Abstract
Abstract A NEW GROUP OF CYCLOTRI- AND CYCLOTETRAPHOSPHAZENE COMPOUNDS BEARING AT LEAST ON POLYMERIZABLE OLEFINIC MOIETY AND A METHOD OF ENHANCING PHYSICAL PROPERTIES SUCH AS FLAME RESISTANCE, SOLVENT RESISTANCE, HEAT RESISTANCE OR DEFORMATION RESISTANCE OF A VARIETY OF SUBSTRATES BY TREATMENT OF THE SUBSTRATE WITH IONIZING RADIATION AND CYCLOTRIPHOSPHAZENE OR CYCLOTETRAPHOSPHAZENE COMPOUNDS BEARING AT LEAST ONE RADICAL HAVING A POLYMERIZABLE DOUBLE BOND BETWEEN THE TERMINAL CARBON ATOM AND THE PENULTIMATE CARBON ATOM.
Inventors
- 👤 E Hook
- 👤 L Nichols
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:17
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/6564; C07F9/6581; C07F9/65812; C07F9/65814; C08; C08J; C08J7/00; C08J7/12; C08J7/16; C08J7/18; C08L; C08L97/00; C08L97/02; C09; C09K; C09K21/00; C09K21/06; C09K21/12; D; D06; D06M; D06M14/00; D06M14/18; D06M15/00; D06M15/19; D06M15/37; D06M15/667; D06M15/673; B; B27; B27K; B27K3/00; B27K3/02; B27K3/15; B27K5/00; B27K5/003; C08L85/00; C08L85/02
Claims Analysis
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References Cited (Backward Citations)
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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) | 1976-01-16 | 1976-07-17 | 1977-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-16 | 1980-07-17 | 1981-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-16 | 1984-07-17 | 1985-01-16 | $7700.00 | Window Closed / Lapsed |