US2507699A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating compositions, films, and process of making same
Assignee: EIDP Inc
•
Filing: 1947-09-17
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Granted: 1950-05-16
•
Expires: 1967-09-17
Abstract
No abstract record available.
Inventors
- 👤 Donald E Edgar
- 👤 Hilmer E Winberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:36
CPC Classifications
C; C08; C08L; C08L23/00; C08L23/26; C08L23/32; C08L23/34; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31844; Y10T428/31848; Y10T428/31851; Y10T428/31855; Y10T428/3188; Y10T442/00; Y10T442/20; Y10T442/2041; Y10T442/2098; Y10T442/2107; Y10T442/273
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
A CALENDERABLE COMPOSITION COMPRISING A CHLOROSULFONATED POLYMER OF ETHYLENE, CURING AGENTS THEREFOR AND POLYOXYETHYLENE GLYCOL, SAID GLYCOL BEING PRESENT IN AMOUNT BETWEEN 2 AND 5 PARTS FOR EVERY 100 PARTS OF THE CHLOROSULFONATED POLYMER OF ETHYLENE.
Claim 2
Dependent Claim
36 words
A CALENDERABLE COMPOSITION COMPRISING A CHLOROSULFONATED POLYMER OF ETHYLENE, CURING AGENTS THEREFOR AND POLYOXYETHYLENE GLYCOL, SAID GLYCOL BEING PRESENT IN AMOUNT BETWEEN 2 AND 5 PARTS FOR EVERY 100 PARTS OF THE CHLOROSULFONATED POLYMER OF ETHYLENE.
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) | 1953-05-15 | 1953-11-14 | 1954-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-15 | 1957-11-14 | 1958-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-15 | 1961-11-14 | 1962-05-16 | $7700.00 | Window Closed / Lapsed |