US2953482A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of coating regenerated cellulose film with polyethylene and resultant article
Assignee: EIDP Inc
•
Filing: 1957-07-18
•
Granted: 1960-09-20
•
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 18:07
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.
References Cited (Backward Citations)
US2628214A
Cited
US2512128A
Cited
US2668134A
Cited
US2696448A
Cited
US2628172A
Cited
US2715077A
Cited
US2767103A
Cited
US2808340A
Cited
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 |