US2813065A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heterocyclic nitrogen compound containing antimony plating solutions and process
Assignee: Harshaw Chemical Co
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Filing: 1955-11-07
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Granted: 1957-11-12
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Expires: 1975-11-07
Abstract
No abstract record available.
Inventors
- 👤 Rose Arthur H Du
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:42
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
IN A PROCESS FOR THE ELECTRODEPOSTION OF ANTIMONY FROM A PLATING SOLUTION CONTAINING THE ANTIMONY PRIMARILYY AS THE SOLUBLE FLUORIDE, THE STEP OF ELECTROLYZING SAID SOLUTION BETWEEN AN ANODE AND A CATHODE WHEREIN SAID SOLUTION CONTAINS AN AROMATIC SULFONAMIDE AND A HETEROCYCLIC NITROGEN CONTAINING COMPOUND HAVING AT LEAST ONE 6-MEMBERED RING, SAID AROMATIC SULFONAMIDE AND HETEROCYCLIC NITROGEN CONTAINING COMPOUND BEING CONTAINED IN SAID SOLUTION IN AMOUNTS SUFFICIENT TO PRODUCE AN ANTIMONY DEPOSIT OF ENHANCED BRIGHTNESS.
Claim 2
Dependent Claim
75 words
IN A PROCESS FOR THE ELECTRODEPOSTION OF ANTIMONY FROM A PLATING SOLUTION CONTAINING THE ANTIMONY PRIMARILYY AS THE SOLUBLE FLUORIDE, THE STEP OF ELECTROLYZING SAID SOLUTION BETWEEN AN ANODE AND A CATHODE WHEREIN SAID SOLUTION CONTAINS AN AROMATIC SULFONAMIDE AND A HETEROCYCLIC NITROGEN CONTAINING COMPOUND HAVING AT LEAST ONE 6-MEMBERED RING, SAID AROMATIC SULFONAMIDE AND HETEROCYCLIC NITROGEN CONTAINING COMPOUND BEING CONTAINED IN SAID SOLUTION IN AMOUNTS SUFFICIENT TO PRODUCE AN ANTIMONY DEPOSIT OF ENHANCED BRIGHTNESS.
References Cited (Backward Citations)
US2711010A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-11 | 1961-05-13 | 1961-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-11 | 1965-05-13 | 1965-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-11 | 1969-05-13 | 1969-11-12 | $7700.00 | Window Closed / Lapsed |