US2912370A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Addition agent for cadmium plating solution
Assignee: Allied Res Products Inc
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Filing: 1957-10-07
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Granted: 1959-11-10
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Expires: 1977-10-07
Abstract
No abstract record available.
Inventors
- 👤 Arthur R Taverna
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:22
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/26; C25D3/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A CADMIUM CYANIDE PLATING BATH CONTAINING A MIXTURE OF DIBUTYL NAPHTHALENE SODIUM SULFONATE AND HYDROXYETHYL CELLULOSE IN AN AMOUNT SUFFICIENT TO ACT AS A BRIGHTENING AGENT, WHEREIN THE BATH CONTAINS 3/4 FLUID OUNCE PER GALLON OF BATH OF THE BRIGHTENER MIXTURE, WHEREIN SAID BRIGHTENER MIXTURE CONTAINS FROM 0.152 TO 0.557 GRAM PER LITER OF THE DIBUTYL NAPHTHALENE SODIUM SULFONATE AND FROM 0.49 TO 0.279 GRAM PER LITER OF HYDROXYETHYL CELLULOSE AND THE RATIO OF DIBUTYL NAPTTHALENE SODIUM SULFONATE TO HYDROXYETHYL CELLULOSE IS IN THE RANGE FROM THE RATIO 1.0 TO 2.0 TO THE RATIO OF 3.75 TO 1.
Claim 2
Dependent Claim
98 words
A CADMIUM CYANIDE PLATING BATH CONTAINING A MIXTURE OF DIBUTYL NAPHTHALENE SODIUM SULFONATE AND HYDROXYETHYL CELLULOSE IN AN AMOUNT SUFFICIENT TO ACT AS A BRIGHTENING AGENT, WHEREIN THE BATH CONTAINS 3/4 FLUID OUNCE PER GALLON OF BATH OF THE BRIGHTENER MIXTURE, WHEREIN SAID BRIGHTENER MIXTURE CONTAINS FROM 0.152 TO 0.557 GRAM PER LITER OF THE DIBUTYL NAPHTHALENE SODIUM SULFONATE AND FROM 0.49 TO 0.279 GRAM PER LITER OF HYDROXYETHYL CELLULOSE AND THE RATIO OF DIBUTYL NAPTTHALENE SODIUM SULFONATE TO HYDROXYETHYL CELLULOSE IS IN THE RANGE FROM THE RATIO 1.0 TO 2.0 TO THE RATIO OF 3.75 TO 1.
References Cited (Backward Citations)
US1818229A
Cited
US2526999A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-09 | 1963-05-11 | 1963-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-09 | 1967-05-11 | 1967-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-09 | 1971-05-11 | 1971-11-10 | $7700.00 | Window Closed / Lapsed |