US3684565A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal coated with varnish film and process for producing same
Assignee: Dynamit Nobel AG
•
Filing: 1969-11-07
•
Granted: 1972-08-15
•
Expires: 1989-11-07
Abstract
Abstract FAST-TO-BOILING, STERILIZABLE AND HIGHLY DEFORMABLE VARNISH FILMS ARE PREPARED BY ADDING A BENZOGUANAMINE RESIN AND A CATALYST TO AN ORGANIC SOLVENT SOLUTION OF A HIGH MOLECULAR WEIGHT, LINEAR COPOLYESTER AND FORMING A FILM FROM THE RESULTANT MIXTURE. THE VARNISH FILM IS ADVANTAGEOUSLY APPLIED TO A METAL SURFACE FROM THE SOLVENT SOLUTION AND THEN BAKED THEREON AT ABOUT 100-300*C.
Inventors
- 👤 Erich Psencik
- 👤 Horst Hermsdorf
- 👤 Horst Vltavsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:17
CPC Classifications
C; C08; C08L; C08L67/00; C08L67/02; C09; C09D; C09D167/00; C09D167/02; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31681
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1975-08-15 | 1976-02-14 | 1976-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-15 | 1980-02-14 | 1980-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-15 | 1984-02-14 | 1984-08-15 | $7700.00 | Window Closed / Lapsed |