US3084111A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wetting agents for electroplating baths
Assignee: Dehydag Deutsche Hydrierwerke GmbH
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Filing: 1959-04-20
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Granted: 1963-04-02
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Expires: 1979-04-20
Abstract
No abstract record available.
Inventors
- 👤 Strauss Wennemar
- 👤 Heyden Rudi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:36
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/04; C25D3/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
AN ELECTROPLATING BATH FOR PRODUCING ELECTRODEPOSITS OF METALS CAPABLE OF BEING ELECTRODEPOSITED COMPRISING AN AQUEOUS SOLUTION OF AN INORGANIC SALT OF THE METAL TO BE DEPOSITED AND 0.01 TO 5 GM./LITER OF AN ADDITIVE COMPOUND COMPRISING A PHOSPHORIC ACID ESTER HAVING A STRUCTURAL FORMULA SELECTED FROM THE GROUP CONSISTING OF:
Claim 2
Dependent Claim
50 words
AN ELECTROPLATING BATH FOR PRODUCING ELECTRODEPOSITS OF METALS CAPABLE OF BEING ELECTRODEPOSITED COMPRISING AN AQUEOUS SOLUTION OF AN INORGANIC SALT OF THE METAL TO BE DEPOSITED AND 0.01 TO 5 GM./LITER OF AN ADDITIVE COMPOUND COMPRISING A PHOSPHORIC ACID ESTER HAVING A STRUCTURAL FORMULA SELECTED FROM THE GROUP CONSISTING OF:
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) | 1966-04-01 | 1966-10-01 | 1967-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-01 | 1970-10-01 | 1971-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-01 | 1974-10-01 | 1975-04-02 | $7700.00 | Window Closed / Lapsed |