Patent US3090384A successfully refreshed from Google Patents.
Patent US3203878A successfully refreshed from Google Patents.
US3203878A
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Acid metal electroplating bath containing an organic sulfonic acid-thioureadithiocarbamic acid reaction product
Assignee: Dehydag Deutsche Hydrierwerke GmbH
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Filing: 1962-02-01
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Granted: 1965-08-31
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Expires: 1982-02-01
Abstract
No abstract record available.
Inventors
- 👤 Willmund Wolf-Dieter
- 👤 Michael Gregor
- 👤 Kirstahler Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:26
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/16; C07D295/20; C07D295/21; C07D233/00; C07D233/04; C07D233/28; C07D233/30; C07D233/42; C07D251/00; C07D251/02; C07D251/08; C25; C25D; C25D3/00; C25D3/02; C25D3/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
AN ELECTROPLATING BATH FOR PRODUCING BRIGHT, SMOOTH ELECTRODEPOSITS OF METALS CAPABLE OF BEING ELECTRODEPOSITED SELECTED FROM THE GROUP CONSISTING OF COPPER, ZINC, LEAD, TIN AND CADMIUM COMPRISING AN AQUEOUS SOLUTION OF AN INORGANIC SALT OF THE METAL TO BE DEPOSITED AND AN ADDITIVE COMPOUND HAVING A STRUCTURAL FORMULA SELECTED FROM THE GROUP CONSISTING OF:
Claim 2
Dependent Claim
54 words
AN ELECTROPLATING BATH FOR PRODUCING BRIGHT, SMOOTH ELECTRODEPOSITS OF METALS CAPABLE OF BEING ELECTRODEPOSITED SELECTED FROM THE GROUP CONSISTING OF COPPER, ZINC, LEAD, TIN AND CADMIUM COMPRISING AN AQUEOUS SOLUTION OF AN INORGANIC SALT OF THE METAL TO BE DEPOSITED AND AN ADDITIVE COMPOUND 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) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |