Patent US2917402A successfully refreshed from Google Patents.
US2917402A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Weatherable film and process for producing same
Assignee: EIDP Inc
•
Filing: 1958-07-23
•
Granted: 1959-12-15
•
Expires: 1978-07-23
Abstract
No abstract record available.
Inventors
- 👤 Sapper David Ivan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:50
CPC Classifications
C; C08; C08J; C08J7/00; C08J7/04; C08J7/0427; C08J7/043; C08J2323/00; C08J2323/02; C08J2323/04; C08J2323/06; C08J2427/00; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/263; Y10T428/264; Y10T428/31504; Y10T428/31855; Y10T428/31909
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A PROCESS FOR FORMING A WEATHERABLE FILM WHICH COMPRISES COATING AT LEAST ONE SURFACE OF A FILM OF POLYETHYLENE WITH A LIQUID COATING COMPOSITION COMPRISED ESSENTIALLY OF A VOLATILE ORGANIC SOLVENT HAVING DISSOLVED THEREIN (1) A COPOLYMER OF VINYL FLORIED AND AT LEAST ONE VINYL ESTER OF A SATURATED, SLIPHATIC MONOCARBOXYLIC ACID HAVING FROM 2 TO 20 CARBON ATOMS, SAID COPOLYMER CONTAINING FROM 85% TO 15% BY WEIGHT OF POLYVINYL FLUO-
Claim 2
Dependent Claim
71 words
A PROCESS FOR FORMING A WEATHERABLE FILM WHICH COMPRISES COATING AT LEAST ONE SURFACE OF A FILM OF POLYETHYLENE WITH A LIQUID COATING COMPOSITION COMPRISED ESSENTIALLY OF A VOLATILE ORGANIC SOLVENT HAVING DISSOLVED THEREIN (1) A COPOLYMER OF VINYL FLORIED AND AT LEAST ONE VINYL ESTER OF A SATURATED, SLIPHATIC MONOCARBOXYLIC ACID HAVING FROM 2 TO 20 CARBON ATOMS, SAID COPOLYMER CONTAINING FROM 85% TO 15% BY WEIGHT OF POLYVINYL FLUO-
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) | 1962-12-14 | 1963-06-15 | 1963-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-14 | 1967-06-15 | 1967-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-14 | 1971-06-15 | 1971-12-15 | $7700.00 | Window Closed / Lapsed |