Patent US3449144A successfully refreshed from Google Patents.
US3449144A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of aluminum plating with diethylaluminum hydride
Assignee: ConocoPhillips Co
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Filing: 1965-09-29
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Granted: 1969-06-10
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Expires: 1985-09-29
Abstract
No abstract record available.
Inventors
- 👤 Billy J Williams
- 👤 Elbert L Hatlelid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:10
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/42; C25D3/44
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
25 words
A COMPOSITION OF MATTER COMPRISING DIETHYLALUMINUM HYDRIDE IN A SOLVENT THEREFOR AND A MINOR AMOUNT OF TITANIUM TITANIUM ALLOY OR READILY REDUCIBLE COMPOUND OF TITANIUM.
Claim 2
Dependent Claim
25 words
A COMPOSITION OF MATTER COMPRISING DIETHYLALUMINUM HYDRIDE IN A SOLVENT THEREFOR AND A MINOR AMOUNT OF TITANIUM TITANIUM ALLOY OR READILY REDUCIBLE COMPOUND OF TITANIUM.
Claim 3
Independent Claim
65 words
A METHOD FO ALUMINUM PLATING A SUBSTRATE WHICH COMPRISES HEATING THE SUBSTRATE TO A TEMPERATURE ABOVE THE DECOMPOSITION TEMPERATURE OF DIETHYLALUMINUM HYDRIDE AND THEREAFTER CONTACTING THE HEATED SUBSTRATE WITH A SOLUTION COMPRISING 10 TO 90 WEIGHT PERCENT DIETHYLALUMINUM HYDRIDE, A SOLVENT FOR SAID HYDRIDE COMPRISING SUBSTANTIALLY THE REMAINDER OF THE COMPOSITIN AND A MINOR AMOUNT OF TITANIUM, TITANIUM ALLOY OR A READILY REDUCIBLE TITANIUM COMPOUND.
Claim 4
Independent Claim
65 words
A METHOD FO ALUMINUM PLATING A SUBSTRATE WHICH COMPRISES HEATING THE SUBSTRATE TO A TEMPERATURE ABOVE THE DECOMPOSITION TEMPERATURE OF DIETHYLALUMINUM HYDRIDE AND THEREAFTER CONTACTING THE HEATED SUBSTRATE WITH A SOLUTION COMPRISING 10 TO 90 WEIGHT PERCENT DIETHYLALUMINUM HYDRIDE, A SOLVENT FOR SAID HYDRIDE COMPRISING SUBSTANTIALLY THE REMAINDER OF THE COMPOSITIN AND A MINOR AMOUNT OF TITANIUM, TITANIUM ALLOY OR A READILY REDUCIBLE TITANIUM COMPOUND.
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) | 1972-06-09 | 1972-12-09 | 1973-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-09 | 1976-12-09 | 1977-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-09 | 1980-12-09 | 1981-06-10 | $7700.00 | Window Closed / Lapsed |