US3255099A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surface treatment of polymeric shaped structures
Assignee: EIDP Inc
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Filing: 1963-10-21
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Granted: 1966-06-07
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Expires: 1983-10-21
Abstract
No abstract record available.
Inventors
- 👤 Leon E Wolinski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:21
CPC Classifications
B; B29; B29C; B29C59/00; B29C59/10; B29C59/12; B01; B01J; B01J19/00; B01J19/08; B01J19/087; B01J19/088
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A PROCESS FOR MODIFYING AND IMPROVING THE SURFACE CHARACTERISTICS OF POLYMERIC SHAPED STRUCTURES WHICH COMPRISES SUBJECTING THE SURFACE OF A POLYMERIC SHAPED STRUCTURE TO THE ACTION OF AN ELECTRICAL DISCHARGE AT SUBSTANTIALLY ATMOSPHERIC PRESSURE BETWEEN SPACED POSITIVE AND NEGATIVE ELECTRODES IN A GASEOUS ATMOSPHERE CONSISTING ESSENTIALLY OF THE VAPOR OF AN INORGANIC AGENT HAVING AN AFFINITY FOR ELECTRONS AND HAVING A VAPOR PRESSURE OF AT LEAST ONE MILLIMETER OF MERCURY AT 60*C., SAID ELECTRICAL DISCHARGE HAVING AN AVERAGE ENERGY LEVEL BELOW 15 ELECTRON VOLTS.
Claim 2
Dependent Claim
84 words
A PROCESS FOR MODIFYING AND IMPROVING THE SURFACE CHARACTERISTICS OF POLYMERIC SHAPED STRUCTURES WHICH COMPRISES SUBJECTING THE SURFACE OF A POLYMERIC SHAPED STRUCTURE TO THE ACTION OF AN ELECTRICAL DISCHARGE AT SUBSTANTIALLY ATMOSPHERIC PRESSURE BETWEEN SPACED POSITIVE AND NEGATIVE ELECTRODES IN A GASEOUS ATMOSPHERE CONSISTING ESSENTIALLY OF THE VAPOR OF AN INORGANIC AGENT HAVING AN AFFINITY FOR ELECTRONS AND HAVING A VAPOR PRESSURE OF AT LEAST ONE MILLIMETER OF MERCURY AT 60*C., SAID ELECTRICAL DISCHARGE HAVING AN AVERAGE ENERGY LEVEL BELOW 15 ELECTRON VOLTS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |