US3306831A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electroplating electrolytes
Assignee: Cowles Chemical Co
•
Filing: 1963-10-30
•
Granted: 1967-02-28
•
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 02:01
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.
References Cited (Backward Citations)
US2389179A
Cited
US2389135A
Cited
US2389180A
Cited
US2523161A
Cited
US2836549A
Cited
DE1017873B
Cited
US2870069A
Cited
US3093557A
Cited
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 |