US3451902A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective localized area resin coatings for electroplating
Assignee: Eastman Kodak Co
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Filing: 1966-07-05
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Granted: 1969-06-24
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Expires: 1986-07-05
Abstract
No abstract record available.
Inventors
- 👤 Steven Levinos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:45
CPC Classifications
B; B41; B41N; B41N1/00; B41N1/04; B41N1/08; B41N1/10; C; C09; C09D; C09D133/00; C09D133/04; C09D133/06; C09D133/08; C25; C25D; C25D5/00; C25D5/02; C25D5/022
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
IN A PROCESS OF ELECTROPLATING AN ALUMINUM SHEET WITH A METAL SELECTED FROM THE GROUP CONSISTING OF COPPER AND CHROMIUM, SAID ELECTROPLATING BEING CARRIED OUT AT AN ACID PH, THE IMPROVEMENT WHICH COMPRISES EMPLOYING AS THE CATHODE AN OXIDE-FREE ALUMINUM SHEET HAVING COATED THEREON A PROTECTIVE LAYER COMPRISING A FILMFORMING, ALKALINE-SOLUBLE ACRYLIC RESIN CONTAINING ON A MOLE BASIS FROM ABOUT 80% TO ABOUT 99% OF ACRYLATE UNITS AND FROM ABOUT 1 TO ABOUT 20% OF ACRYLIC ACID UNITS, SAID RESIN BEING CAPABLE OF FORMING A STRONG, ADHESIVE BOND WITH THE ALUMINUM SURFACE AND WHEREIN SAID RESIN IS CAPABLE OF BEING COMPLETELY REMOVED FROM THE ALUMINUM SURFACE SUBSEQUENT TO THE ELECTROPLATING OPERATION BY SUBJECTING SAME TO AN ALKALINE MEDIUM MAINTAINED AT A PH OF AT LEAST 7.5.
Claim 2
Dependent Claim
126 words
IN A PROCESS OF ELECTROPLATING AN ALUMINUM SHEET WITH A METAL SELECTED FROM THE GROUP CONSISTING OF COPPER AND CHROMIUM, SAID ELECTROPLATING BEING CARRIED OUT AT AN ACID PH, THE IMPROVEMENT WHICH COMPRISES EMPLOYING AS THE CATHODE AN OXIDE-FREE ALUMINUM SHEET HAVING COATED THEREON A PROTECTIVE LAYER COMPRISING A FILMFORMING, ALKALINE-SOLUBLE ACRYLIC RESIN CONTAINING ON A MOLE BASIS FROM ABOUT 80% TO ABOUT 99% OF ACRYLATE UNITS AND FROM ABOUT 1 TO ABOUT 20% OF ACRYLIC ACID UNITS, SAID RESIN BEING CAPABLE OF FORMING A STRONG, ADHESIVE BOND WITH THE ALUMINUM SURFACE AND WHEREIN SAID RESIN IS CAPABLE OF BEING COMPLETELY REMOVED FROM THE ALUMINUM SURFACE SUBSEQUENT TO THE ELECTROPLATING OPERATION BY SUBJECTING SAME TO AN ALKALINE MEDIUM MAINTAINED AT A PH OF AT LEAST 7.5.
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) | 1972-06-23 | 1972-12-23 | 1973-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-23 | 1976-12-23 | 1977-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-23 | 1980-12-23 | 1981-06-24 | $7700.00 | Window Closed / Lapsed |