US2699417A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paper-covered aluminum assembly for bonding to plywood
Assignee: Union Carbide Corp
•
Filing: 1949-05-06
•
Granted: 1955-01-11
•
Expires: 1969-05-06
Abstract
No abstract record available.
Inventors
- 👤 Repsher Leonard
- 👤 Pedicini Salvador
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:15
CPC Classifications
B; B32; B32B; B32B15/00; B32B15/04; B32B15/08; Y; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249924; Y10T428/249926; Y10T428/24994; Y10T428/24995; Y10T428/249952; Y10T428/249953; Y10T428/249962; Y10T428/249964; Y10T428/249965; Y10T428/249966; Y10T428/31504; Y10T428/31678; Y10T428/31688; Y10T428/31942; Y10T428/31949; Y10T428/31964; Y10T428/31967
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
120 words
METHOD FOR PREPARING A PAPER-COVERED SHEET ALUMINUM SUB-ASSEMBLY USEFUL IN THE MANUFACTURE OF LAMINATED FIBROUS STRUCTURES, WHICH COMPRISES COATING THE SHEET ALUMINUM SURFACE WITH A SOLVENT SOLUTION OF ALCOHOL-REACTED THERMOSETTING PHENOL-FORMALDEHYDE RESIN HAVING BEEN REACTED IN THE PRESENCE OF A SATURATED LOWER ALIPHATIC MONOHYDRIC ALCOHOL HAVING FROM TWO TO FIVE CARBON ATOMS IN THE MOLECULE UNTIL THE RESIN HAS A GELATION SPEED BETWEEN 30 AND 180 SECONDS AT 121*C., DRYING THE COATING TO A TACKY STATE, PRESSURE APPLYING PAPER ONTO THE TACKY COATING, DRYING THE ASSEMBLY OF PAPER AND SHEET ALUMINUM AT ELEVATED TEMPERATURES TO A SUBSTANTIALLY SOLVENT-FREE CONDITION, RECOATING THE ASSEMBLY WITH THE SAME RESIN SOLUTION, AND THEN DRYING THE RECOATED ASSEMBLY BELOW THE HEAT-HARDENING TEMPERATURE OF THE RESIN.
References Cited (Backward Citations)
US1019408A
Cited
US1019407A
Cited
US1921164A
Cited
US1887691A
Cited
US1974465A
Cited
US2117085A
Cited
GB440578A
Cited
US2403077A
Cited
US2392574A
Cited
US2401987A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-10 | 1958-07-12 | 1959-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-10 | 1962-07-12 | 1963-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-10 | 1966-07-12 | 1967-01-11 | $7700.00 | Window Closed / Lapsed |