US3189481A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for the preparation of copper sulfide films and products obtained thereby
Assignee: General Electric Co
•
Filing: 1961-08-29
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Granted: 1965-06-15
•
Expires: 1981-08-29
Abstract
No abstract record available.
Inventors
- 👤 Gaynor Joseph
- 👤 James F Burgess
- 👤 Bernard C Wagner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 03:20
CPC Classifications
C; C23; C23C; C23C14/00; C23C14/06; C23C14/0623; C23C14/0629; C23C14/58; C23C14/5846; G; G03; G03G; G03G5/00; G03G5/10; G03G5/104; H; H01; H01B; H01B1/00; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24942; Y10T428/2495; Y10T428/24967; Y10T428/24975; Y10T428/31504; Y10T428/31678; Y10T428/31681
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A METHOD FOR THE PREPARATION OF A TRANSPARENT ELECTRICALLY CONDUCTING FILM ON A FLEXIBLE POLYMERIC SUBSTRATE WHICH COMPRISES NUCLEATING THE RECEPTOR SURFACE OF THE SUBSTRATE WITH A LOW-SURFACE MOBILITY METAL, VAPOR DEPOSITING A CRYSTALLINE LAYER APPROXIMATELY 50 TO 400 ANGSTROMS THICK OF A FIRST COMPOUND SELECTED FROM THE GROUP HAVING A CATION SELECTED FROM THE GROUP CONSISTING OF ZINC, CADMIUM, AND MIXTURES THEREOF AND AN ANION SELECTED FROM THE GROUP CONSISTING OF SULFUR, SELENIUM, TELLURIUM, AND MIXTURES THEREOF ON THE RECEPTOR SURFACE OF THE SUBSTRATE, AND CONTACTING THE CRYSTALLINE LAYER WITH A LIQUID SOLUTION OF COPPER IONS FOR A PERIOD OF TIME SUFFICIENT TO CONVERT AT LEAST THE MAJOR PORTION OF THE CRYSTALLINE LAYER TO AN ELECTRICALLY CONDUCTING COPPER COMPOUND FILM WHEREIN COPPER IONS ARE SUBSTITUED FOR CATIONS OF SAID FIRST COMPOUND.
Claim 2
Independent Claim
132 words
A METHOD FOR THE PREPARATION OF A TRANSPARENT ELECTRICALLY CONDUCTING FILM ON A FLEXIBLE POLYMERIC SUBSTRATE WHICH COMPRISES NUCLEATING THE RECEPTOR SURFACE OF THE SUBSTRATE WITH A LOW-SURFACE MOBILITY METAL, VAPOR DEPOSITING A CRYSTALLINE LAYER APPROXIMATELY 50 TO 400 ANGSTROMS THICK OF A FIRST COMPOUND SELECTED FROM THE GROUP HAVING A CATION SELECTED FROM THE GROUP CONSISTING OF ZINC, CADMIUM, AND MIXTURES THEREOF AND AN ANION SELECTED FROM THE GROUP CONSISTING OF SULFUR, SELENIUM, TELLURIUM, AND MIXTURES THEREOF ON THE RECEPTOR SURFACE OF THE SUBSTRATE, AND CONTACTING THE CRYSTALLINE LAYER WITH A LIQUID SOLUTION OF COPPER IONS FOR A PERIOD OF TIME SUFFICIENT TO CONVERT AT LEAST THE MAJOR PORTION OF THE CRYSTALLINE LAYER TO AN ELECTRICALLY CONDUCTING COPPER COMPOUND FILM WHEREIN COPPER IONS ARE SUBSTITUED FOR CATIONS OF SAID FIRST COMPOUND.
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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) | 1968-06-14 | 1968-12-14 | 1969-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-14 | 1972-12-14 | 1973-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-14 | 1976-12-14 | 1977-06-15 | $7700.00 | Window Closed / Lapsed |