US3041256A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrodeposition of nickel
Assignee: Hanson Van Winkle Munning Co
•
Filing: 1960-07-12
•
Granted: 1962-06-26
•
Expires: 1980-07-12
Abstract
No abstract record available.
Inventors
- 👤 Walter B Kleiner
- 👤 Kardos Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:30
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/12; C25D3/14; C25D3/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
185 words
THE PROCESS FOR PRODUCING A BRIGHT NICKEL DEPOSIT SUBSTANTIALLY SMOOTHER THAN THE BASIS METAL TO WHICH IT IS APPLIED WHICH COMPRISES ELECTRODEPOSITING NICKEL FROM AN AQUEOUS ACDIC SOLUTION OF AT LEAST ONE NICKEL SALT IN WHICH THERE IS DISSOLVED (A) FROM ABOUT 0.1 TO ABOUT 50 MILLIMOLS PER LITER OF A WATER-SOLUBLE BISULFITE ADDITION PRODUCT OF A WATER-SOLUBLE ACETYLENIC COMPOUND AND N TIMES AN AQUIVALENT WEIGHT OF A COMPOUND CAPABLE OF FORMING A CHAIN-CARRYING SULFITE RADICAL AND BEING SELECTED FROM GROUP CONSISTING OF SULFUROUS ACID, SULFUR DIOXIDE, AND THE ALKALI METAL AND METAL BISULFITES, SULFITES, AND METABISULFITES, WHERE N IS EQUAL TO THE NUMBER OF ACETYLENIC BONDS PER MOLECULE OF THE ACETYLENIC COMPOUND AND (B) FROM ABOUT 1 TO ABOUT 50 MILLIMOLS PER LITER OF A WATER-SOLUBLE REACTION PRODUCT OF A BASE-CATALYZED REACTION OF A HYDROXY-SUBSIITUTED ACETYLENIC COMPOUND WITH FROM N'' TO XN'' TIMES AN EQUIVALENT WEIGHT OF AN EPOXIDE, WHERE N'' IS AN INTEGER FROM 1 TO 20 AND X IS EQUAL TO THE NUMBER OF HYDROXY GROUPS PER MOLECULE OF THE HYDROXY-SUBSTITUTED ACETYLENIC COMPOUND, SAID EPOXIDE HAVING A STRUCTURE REPRESENTED BY THE FORMULA
Claim 2
Dependent Claim
185 words
THE PROCESS FOR PRODUCING A BRIGHT NICKEL DEPOSIT SUBSTANTIALLY SMOOTHER THAN THE BASIS METAL TO WHICH IT IS APPLIED WHICH COMPRISES ELECTRODEPOSITING NICKEL FROM AN AQUEOUS ACDIC SOLUTION OF AT LEAST ONE NICKEL SALT IN WHICH THERE IS DISSOLVED (A) FROM ABOUT 0.1 TO ABOUT 50 MILLIMOLS PER LITER OF A WATER-SOLUBLE BISULFITE ADDITION PRODUCT OF A WATER-SOLUBLE ACETYLENIC COMPOUND AND N TIMES AN AQUIVALENT WEIGHT OF A COMPOUND CAPABLE OF FORMING A CHAIN-CARRYING SULFITE RADICAL AND BEING SELECTED FROM GROUP CONSISTING OF SULFUROUS ACID, SULFUR DIOXIDE, AND THE ALKALI METAL AND METAL BISULFITES, SULFITES, AND METABISULFITES, WHERE N IS EQUAL TO THE NUMBER OF ACETYLENIC BONDS PER MOLECULE OF THE ACETYLENIC COMPOUND AND (B) FROM ABOUT 1 TO ABOUT 50 MILLIMOLS PER LITER OF A WATER-SOLUBLE REACTION PRODUCT OF A BASE-CATALYZED REACTION OF A HYDROXY-SUBSIITUTED ACETYLENIC COMPOUND WITH FROM N'' TO XN'' TIMES AN EQUIVALENT WEIGHT OF AN EPOXIDE, WHERE N'' IS AN INTEGER FROM 1 TO 20 AND X IS EQUAL TO THE NUMBER OF HYDROXY GROUPS PER MOLECULE OF THE HYDROXY-SUBSTITUTED ACETYLENIC COMPOUND, SAID EPOXIDE HAVING A STRUCTURE REPRESENTED BY THE FORMULA
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) | 1965-06-25 | 1965-12-25 | 1966-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-25 | 1969-12-25 | 1970-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-25 | 1973-12-25 | 1974-06-26 | $7700.00 | Window Closed / Lapsed |