US3274091A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing non-fogging films
Assignee: EIDP Inc
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Filing: 1962-09-18
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Granted: 1966-09-20
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Expires: 1982-09-18
Abstract
No abstract record available.
Inventors
- 👤 Amborski Leonard Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:43
CPC Classifications
B; B29; B29C; B29C59/00; B29C59/10; B29C59/12; C; C08; C08J; C08J7/00; C08J7/12; C08J7/16; C08J7/18; B29K; B29K2023/00; B29K2023/04; B29K2023/06; B29K2023/10; B29K2023/12; B29K2027/00; B29K2027/12; B29K2067/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A PROCESS FOR IMPROVING THE WATER-WETTABILITY OF THE SURFACE OF A NORMALLY HYDROPHOBIC, OR GANIC POLYMERIC FILM WHICH COMPRISES SUBJECTING THE SURFACE OF SAID FILM TO THE ACTION OF AN ELECTRICAL DISCHARGE HAVING AN ENERGY LEVEL BELOW 15 ELECTRON VOLTS, IN A GASEOUS ATMOSPHERE SATURATED WITH, AS THE SOLE ACTIVE INGREDIENT, THE VAPOR OF AN ORGANIC AGENT SELECTED FROM THE GROUP CONSISTING OF ACRYLIC ACID AND DIETHYL MALEATE, WHEREBY TO RENDER SAID SURFACE WATER WETTABLE TO A DEGREE SUCH THAT THE CONTACT ANGLE FOR SAID SURFACE IS LESS THAN 15*.
Claim 2
Dependent Claim
90 words
A PROCESS FOR IMPROVING THE WATER-WETTABILITY OF THE SURFACE OF A NORMALLY HYDROPHOBIC, OR GANIC POLYMERIC FILM WHICH COMPRISES SUBJECTING THE SURFACE OF SAID FILM TO THE ACTION OF AN ELECTRICAL DISCHARGE HAVING AN ENERGY LEVEL BELOW 15 ELECTRON VOLTS, IN A GASEOUS ATMOSPHERE SATURATED WITH, AS THE SOLE ACTIVE INGREDIENT, THE VAPOR OF AN ORGANIC AGENT SELECTED FROM THE GROUP CONSISTING OF ACRYLIC ACID AND DIETHYL MALEATE, WHEREBY TO RENDER SAID SURFACE WATER WETTABLE TO A DEGREE SUCH THAT THE CONTACT ANGLE FOR SAID SURFACE IS LESS THAN 15*.
References Cited (Backward Citations)
GB845897A
Cited
US3068510A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |