US3709718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Graft polymerization products and processes
Assignee: Inrescor AG
•
Filing: 1970-12-04
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Granted: 1973-01-09
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Expires: 1990-12-04
Abstract
Abstract PROCESS FOR GRAFTING POLYMERIZABLE MATERIALS ONTO SHEETS OF HIGH POLYMER WHICH COMPRISES IRRADIATING AT LEAST ONE SURFACE OF SUCH A SHEET WHILE IT IS IN CONTACT WITH A BELT IMPREGNATED WITH A RADICAL-POLYMERIZABLE SUBSTANCE AT A TEMPERATURE IN THE SECOND-ORDER TRANSITION RANGE OF THE SHEET; AS WELL AS PRODUCTS OBTAINED THEREBY.
Inventors
- 👤 Eckehard Schamberg
- 👤 Juerg Hoigne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:41
CPC Classifications
C; C08; C08J; C08J7/00; C08J7/12; C08J7/16; C08J7/18; Y; Y10; Y10S; Y10S8/00; Y10S8/18; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31536; Y10T428/31786; Y10T428/31797
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-01-09 | 1976-07-10 | 1977-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-09 | 1980-07-10 | 1981-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-09 | 1984-07-10 | 1985-01-09 | $7700.00 | Window Closed / Lapsed |