Patent US2448569A successfully refreshed from Google Patents.
Patent US3309299A successfully refreshed from Google Patents.
US3309299A
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Method of treating synthetic resinous material to increase the wettability thereof
Assignee: Aerochem Research Laboratories Inc
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Filing: 1963-08-22
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Granted: 1967-03-14
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Expires: 1983-08-22
Abstract
No abstract record available.
Inventors
- 👤 Russell M Mantell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:11
CPC Classifications
C; C08; C08J; C08J7/00; C08J7/12; C08J7/123; B; B29; B29C; B29C59/00; B29C59/14; B29K; B29K2023/00; B29K2067/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A METHOD OF TREATING A SURFACE OF A SYNTHETIC RESINOUS MATERIAL SELECTED FROM THE CLASS CONSISTING OF POLYOLEFINS, POLYESTERS AND POLYAMIDES TO INCREASE THE WETTABILITY OF SAID SURFACE, COMPRISING EXPOSING SAID FIRSTMENTIONED SURFACE TO A GASEOUS MIXTURE INCLUDING A MONATOMIC GAS SELECTED FROM THE CLASS CONSISTING OF OXYGEN AND NITROGEN FOR AT LEAST A SMALL FRACTION OF A SECOND, SAID EXPOSURE BEING IN THE ABSENCE OF OTHER FORMS OF ENERGY.
Claim 2
Independent Claim
70 words
A METHOD OF TREATING A SURFACE OF A SYNTHETIC RESINOUS MATERIAL SELECTED FROM THE CLASS CONSISTING OF POLYOLEFINS, POLYESTERS AND POLYAMIDES TO INCREASE THE WETTABILITY OF SAID SURFACE, COMPRISING EXPOSING SAID FIRSTMENTIONED SURFACE TO A GASEOUS MIXTURE INCLUDING A MONATOMIC GAS SELECTED FROM THE CLASS CONSISTING OF OXYGEN AND NITROGEN FOR AT LEAST A SMALL FRACTION OF A SECOND, SAID EXPOSURE BEING IN THE ABSENCE OF OTHER FORMS OF ENERGY.
References Cited (Backward Citations)
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US2956899A
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US3029121A
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US3081214A
Cited
US3067119A
Cited
US3250638A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |