US3031332A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of coating polyethylene with saran
Assignee: Modern Plastic Machinery Corp
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Filing: 1959-07-30
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Granted: 1962-04-24
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Expires: 1979-07-30
Abstract
No abstract record available.
Inventors
- 👤 Rothacker Francis Neill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:29
CPC Classifications
B; B32; B32B; B32B27/00; C; C08; C08J; C08J7/00; C08J7/04; C08J7/0427; C08J7/043; C08J7/048; C08J2323/00; C08J2323/02; C08J2323/04; C08J2323/06; C08J2427/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/31909; Y10T428/31913; Y10T428/31917; Y10T428/3192
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
AN IMPROVED METHOD FOR PRODUCING A GAS- AND LIQUID-IMPERMEABLE WEB INCLUDING THE STEPS OF SUBJECTING TO THE ACTION OF A VARYING ELECTRIC FIELD IN THE SUBSTANTIAL ABSENCE OF AN OZONE-PRODUCING ELECTRIC DISCHARGE A FACE OF A FILM FORMED OF A SYNTHETIC ORGANIC THERMOPLASTIC GAS-PERMEABLE POLYOLEFIN MATERIAL POSSESSING PLASTIC MEMORY AND HAVING A RECOVERABLE UNRELIEVED STRAIN NOT EXCEEDING 10% THEREBY TO INCREASE THE ADHERENT PROPERTIES OF SAID FILM FACE, APPLYING A COATING OF SARAN CARRIED IN A VOLATILE VEHICLE AND THEREAFTER EVAPORATING SAID VEHICLE, THE RECOVERABLE UNRELIVED STRAIN OF SAID FILM DURING SAID COATING AND EVAPORATIVESTEPS NOT EXCEEDING SAID 10%.
Claim 2
Dependent Claim
99 words
AN IMPROVED METHOD FOR PRODUCING A GAS- AND LIQUID-IMPERMEABLE WEB INCLUDING THE STEPS OF SUBJECTING TO THE ACTION OF A VARYING ELECTRIC FIELD IN THE SUBSTANTIAL ABSENCE OF AN OZONE-PRODUCING ELECTRIC DISCHARGE A FACE OF A FILM FORMED OF A SYNTHETIC ORGANIC THERMOPLASTIC GAS-PERMEABLE POLYOLEFIN MATERIAL POSSESSING PLASTIC MEMORY AND HAVING A RECOVERABLE UNRELIEVED STRAIN NOT EXCEEDING 10% THEREBY TO INCREASE THE ADHERENT PROPERTIES OF SAID FILM FACE, APPLYING A COATING OF SARAN CARRIED IN A VOLATILE VEHICLE AND THEREAFTER EVAPORATING SAID VEHICLE, THE RECOVERABLE UNRELIVED STRAIN OF SAID FILM DURING SAID COATING AND EVAPORATIVESTEPS NOT EXCEEDING SAID 10%.
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) | 1965-04-23 | 1965-10-23 | 1966-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-23 | 1969-10-23 | 1970-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-23 | 1973-10-23 | 1974-04-24 | $7700.00 | Window Closed / Lapsed |