Patent US3306831A successfully refreshed from Google Patents.
US3306831A
Expired / Lapsed
US
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Electroplating electrolytes
Assignee: Cowles Chemical Co
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Filing: 1963-10-30
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Granted: 1967-02-28
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Expires: 1983-10-30
Abstract
No abstract record available.
Inventors
- 👤 Jr Richard P Cope
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:16
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/12; C25D3/14; C25D3/16; C07; C07C; C07C69/00; C07C69/007; C07C69/66; C07C69/67; C07C69/675; C07C69/70; C25D3/38; C25D3/56; C25D3/562
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
113 words
AN AQUEOUS ACIDIC SOLUTION FOR ELECTRODEPOSITING A METAL SELECTED FROM THE GROUP CONSISTING OF NICKEL, COBALT AND NICKEL-COBALT ALLOYS CONTAINING A SOLUBLE SALT OF SAID METAL AND AS BRIGHTENER AN EFFECTIVE AMOUNT OF THE PRODUCT OF THE REACTION OF (A) A SUBSTITUTED ALIPHATIC CARBOXYLIC ACID HAVING FROM 2 TO 4 CARBON ATOMS AND AT LEAST ONE SUBSTITUTENT SELECTED FROM THE GROUP CONSISTING OF HYDROXYL AND AMINO GROUPS AND (B) AN ACETYLENIC DIBASIC ALCOHOL HAVING NOT MORE THAN 8 CARBON ATOMS, NOT MORE THAN TWO TRIPLE BONDS, AND A STRUCTURE IN WHICH THE HYDROXYL GROUPS ARE ATTACHED TO THE TERMINAL CARBON ATOMS AND THE ACETYLENIC BOND IS NOT ASSOCIATED WITH THE TERMINAL CARBON ATOMS.
Claim 2
Dependent Claim
113 words
AN AQUEOUS ACIDIC SOLUTION FOR ELECTRODEPOSITING A METAL SELECTED FROM THE GROUP CONSISTING OF NICKEL, COBALT AND NICKEL-COBALT ALLOYS CONTAINING A SOLUBLE SALT OF SAID METAL AND AS BRIGHTENER AN EFFECTIVE AMOUNT OF THE PRODUCT OF THE REACTION OF (A) A SUBSTITUTED ALIPHATIC CARBOXYLIC ACID HAVING FROM 2 TO 4 CARBON ATOMS AND AT LEAST ONE SUBSTITUTENT SELECTED FROM THE GROUP CONSISTING OF HYDROXYL AND AMINO GROUPS AND (B) AN ACETYLENIC DIBASIC ALCOHOL HAVING NOT MORE THAN 8 CARBON ATOMS, NOT MORE THAN TWO TRIPLE BONDS, AND A STRUCTURE IN WHICH THE HYDROXYL GROUPS ARE ATTACHED TO THE TERMINAL CARBON ATOMS AND THE ACETYLENIC BOND IS NOT ASSOCIATED WITH THE TERMINAL CARBON ATOMS.
Claim 3
Dependent Claim
36 words
AN AQUEOUS ACID SOLUTION FOR ELECTRODEPOSITING COPPER CONTAINING A SOLUBLE SALT OF COPPER AND FROM ABOUT 0.002 AND 0.07 ONCE PER GALLON OF SOLUTION OF THE PRODUCT OF THE REACTION OF (A) GLYCINE AND (B) BUTYNEDIOL.
Claim 4
Dependent Claim
36 words
AN AQUEOUS ACID SOLUTION FOR ELECTRODEPOSITING COPPER CONTAINING A SOLUBLE SALT OF COPPER AND FROM ABOUT 0.002 AND 0.07 ONCE PER GALLON OF SOLUTION OF THE PRODUCT OF THE REACTION OF (A) GLYCINE AND (B) BUTYNEDIOL.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |