Patent US2953482A successfully refreshed from Google Patents.
US2953482A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of coating regenerated cellulose film with polyethylene and resultant article
Assignee: EIDP Inc
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Filing: 1957-07-18
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Granted: 1960-09-20
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Expires: 1977-07-18
Abstract
No abstract record available.
Inventors
- 👤 Scherber Floyd Ignatius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:15
CPC Classifications
C; C09; C09J; C09J123/00; C09J123/02; C09J123/04; C09J123/06; C08; C08J; C08J7/00; C08J7/04; C08J7/0427; C08J7/043; C08J7/052; C08J2423/00; C08L; C08L2666/00; C08L2666/28; C08L2666/34; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/3188; Y10T428/31884; Y10T428/31888
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A PROCESS FOR THE PRODUCTION OF ADHERENT, PRINTABLE, HEAT-SEALABLE, SUBSTANTIALLY ODORLESS COATINGS OF POLYETHYLENE WHICH COMPRISES (1) UNIFORMLY ADMIXING FROM 0.1% TO 10.0% BY WEIGHT OF AN ORGANIC PEROXIDE, BASED ON THE COMBINED WEIGHT OF PEROXIDE AND POLYTHETHYLENE, WITH A COATING COMPOSITION ESSENTIALLY A POLYETHYLENE DISSOLVED IN A VOLATILE ORGANIC SOLVENT, (2) SUBSTANTIALLY IMMEDIATELY THEREAFTER APPLYING SAID COATING COMPOSITION TO A SUBSTRATE, (3) HEATING THE COATED SUBSTRATE AT A TEMPERATURE AND FOR A TIME SUFFICIENT TO EFFECT REMOVAL OF SAID VOLATILE SOLVENT BUT INSUFFICIENT TO APPRECIABLY DECOMPOSE THE ORGANIC PEROXIDE, AND (4) THEREAFTER HEATING THE COATED SUBSTRATE AT A HIGHER TEMPERATURE EFFECTIVE TO DECOMPOSE THE ORGANIC PEROXIDE AND CURE THE COATING.
Claim 2
Dependent Claim
111 words
A PROCESS FOR THE PRODUCTION OF ADHERENT, PRINTABLE, HEAT-SEALABLE, SUBSTANTIALLY ODORLESS COATINGS OF POLYETHYLENE WHICH COMPRISES (1) UNIFORMLY ADMIXING FROM 0.1% TO 10.0% BY WEIGHT OF AN ORGANIC PEROXIDE, BASED ON THE COMBINED WEIGHT OF PEROXIDE AND POLYTHETHYLENE, WITH A COATING COMPOSITION ESSENTIALLY A POLYETHYLENE DISSOLVED IN A VOLATILE ORGANIC SOLVENT, (2) SUBSTANTIALLY IMMEDIATELY THEREAFTER APPLYING SAID COATING COMPOSITION TO A SUBSTRATE, (3) HEATING THE COATED SUBSTRATE AT A TEMPERATURE AND FOR A TIME SUFFICIENT TO EFFECT REMOVAL OF SAID VOLATILE SOLVENT BUT INSUFFICIENT TO APPRECIABLY DECOMPOSE THE ORGANIC PEROXIDE, AND (4) THEREAFTER HEATING THE COATED SUBSTRATE AT A HIGHER TEMPERATURE EFFECTIVE TO DECOMPOSE THE ORGANIC PEROXIDE AND CURE THE COATING.
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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) | 1963-09-20 | 1964-03-21 | 1964-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-20 | 1968-03-21 | 1968-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-20 | 1972-03-21 | 1972-09-20 | $7700.00 | Window Closed / Lapsed |