US3098018A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing anodized aluminum
Assignee: Kaiser Aluminum and Chemical Corp
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Filing: 1961-07-13
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Granted: 1963-07-16
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Expires: 1981-07-13
Abstract
No abstract record available.
Inventors
- 👤 Gerald H Kissin
- 👤 Richard L Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:50
CPC Classifications
C; C25; C25D; C25D11/00; C25D11/02; C25D11/04; C25D11/18; C25D11/24; C25D11/246; C25D11/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A BATH FOR SEALING OXIDIZED ALUMINOUS SURFACES PRODUCED BY THE METHOD OF ANODIC OXIDATION USING AN ELECTROLYTE CONSISTING ESSENTIALLY OF AN AQUEOUS SULFOSALICYLIC ACID AND AT LEAST ONE SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF METAL SULFATES AND SULFURIC ACID, SAID BATH CONSISTING OF AN AQUEOUS SOLUTION OF FROM 0. 02 TO 0. 8 GRAM/LITER OF NICKEL ACETATE AND FROM 0. 1 TO 3. 0 GRAMS/LITER OF A LIGNO-SULFONATE AND HAVING A PH VALUE OF BETWEEN 4 AND 6.
Claim 2
Dependent Claim
79 words
A BATH FOR SEALING OXIDIZED ALUMINOUS SURFACES PRODUCED BY THE METHOD OF ANODIC OXIDATION USING AN ELECTROLYTE CONSISTING ESSENTIALLY OF AN AQUEOUS SULFOSALICYLIC ACID AND AT LEAST ONE SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF METAL SULFATES AND SULFURIC ACID, SAID BATH CONSISTING OF AN AQUEOUS SOLUTION OF FROM 0. 02 TO 0. 8 GRAM/LITER OF NICKEL ACETATE AND FROM 0. 1 TO 3. 0 GRAMS/LITER OF A LIGNO-SULFONATE AND HAVING A PH VALUE OF BETWEEN 4 AND 6.
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) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |