US3589959A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Splicing of polyester films
Assignee: Agfa Gevaert AG
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Filing: 1968-08-26
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Granted: 1971-06-29
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Expires: 1988-08-26
Abstract
Abstract FILM HAVING AN AROMATIC POLYESTER SUPPORT LAYER HAS RESPECTIVE ENDS JOINED TOGETHER BY FIRST COATING AN OXIME ON THE POLYESTER SUPPORT OF THE RESPECTIVE ENDS IN AREAS OF THE SUPPORT WHICH FACE IN ABUTMENT AT THE JOINT, SO THAT THE OXIME ACTS AS A SWELLING AGENT AND THEN PRESSING TOGETHER TWO COATED FACING POLYESTER SURFACES AT A TEMPERATURE OF BETWEEN 20* AND 200* C.
Inventors
- 👤 Manfred Sander
- 👤 Heinrich Deibig
- 👤 Michael Schimmel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:06
CPC Classifications
B; B32; B32B; B32B38/00; B32B38/0036; B32B27/00; B32B27/06; B32B27/08; B32B27/18; B32B27/36; C; C08; C08J; C08J5/00; C08J5/12; C08J5/122; C08J7/00; C08J7/02; G; G03; G03D; G03D15/00; G03D15/04; G03D15/043; B32B2309/00; B32B2309/02; B32B2367/00; B32B2559/00; C08J2367/00; C08J2367/02
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) | 1974-06-28 | 1974-12-28 | 1975-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-28 | 1978-12-28 | 1979-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-28 | 1982-12-28 | 1983-06-29 | $7700.00 | Window Closed / Lapsed |