US3402067A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for depositing aluminum film
Assignee: Engelhard Industries Inc
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Filing: 1965-09-24
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Granted: 1968-09-17
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Expires: 1985-09-24
Abstract
No abstract record available.
Inventors
- 👤 Robert C Langley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:10
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/45; C04B41/50; C04B41/51
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A PROCESS FOR THE DEPOSITION OF ALUMINUM ON A SUR FACE WHICH COMPRISES COATING THE SURFACE IN A NONPROTECTIVE ATMOSPHERE WITH A SOLUTION OF A STABILIZED HYDROCARBON ALUMINUM COMPOUND PREPARED BY REACTING A HYDROCARBON ALLUMINUM COMPOUND HAVING AT LEAST ONE CARBON TO ALUMINUM BOND WITH AN ELECTRON DONOR COMPOUND SELECTED FROM THE GROUP CONSISTING OF AMINES, MERCAPTANS, THIOETHERS, ORGANIC SULFIDES AND OLEFINS, AND TREATLING THE COATED SURFACE IN AN INERT ATMOSPHERE AT AN ELEVATED TEMPERATURE TO DECOMPOSE THE STABILIZED HYDROCARBON ALUMINUM COMPOUND AND TO DEPOSIT AN ALUMINUM FILM ON SAID SURFACE.
Claim 2
Dependent Claim
91 words
A PROCESS FOR THE DEPOSITION OF ALUMINUM ON A SUR FACE WHICH COMPRISES COATING THE SURFACE IN A NONPROTECTIVE ATMOSPHERE WITH A SOLUTION OF A STABILIZED HYDROCARBON ALUMINUM COMPOUND PREPARED BY REACTING A HYDROCARBON ALLUMINUM COMPOUND HAVING AT LEAST ONE CARBON TO ALUMINUM BOND WITH AN ELECTRON DONOR COMPOUND SELECTED FROM THE GROUP CONSISTING OF AMINES, MERCAPTANS, THIOETHERS, ORGANIC SULFIDES AND OLEFINS, AND TREATLING THE COATED SURFACE IN AN INERT ATMOSPHERE AT AN ELEVATED TEMPERATURE TO DECOMPOSE THE STABILIZED HYDROCARBON ALUMINUM COMPOUND AND TO DEPOSIT AN ALUMINUM FILM ON SAID SURFACE.
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) | 1971-09-17 | 1972-03-18 | 1972-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-17 | 1976-03-18 | 1976-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-17 | 1980-03-18 | 1980-09-17 | $7700.00 | Window Closed / Lapsed |