US2866764A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ink for printing electrical circuits, process for printing a polymer surface therewith, and resulting article
Assignee: 3M Co
•
Filing: 1954-03-05
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Granted: 1958-12-30
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Expires: 1974-03-05
Abstract
No abstract record available.
Inventors
- 👤 Fred W West
- 👤 Frederick N Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:23
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/52; H; H05; H05K; H05K1/00; H05K1/02; H05K1/09; H05K1/092; H05K1/095; Y; Y10; Y10S; Y10S428/00; Y10S428/901; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/25; Y10T428/31504; Y10T428/3154; Y10T428/31544; Y10T428/31678; Y10T428/31692; Y10T428/31699; Y10T428/31855; Y10T428/31938
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A NOVEL CONDUCTIVE INK COMPOSITION WHICH COMPRISES AN ADMIXTURE OF PARTICLES OF AN ELECTRICAL CONDUCTOR AND A SOLUTION IN AN OXYGENATED ORGANIC SOLVENT OF A NORMALLY SOLID, TWO COMPONENT COPOLYMER OF TRIFLUOROCHLOROETHYLENE AND BETWEEN ABOUT 5 AND ABOUT 95 MOL PERCENT OF A MEMBER OF THE GROUP CONSISTING OF VINYL CHLORIDE, VINYLIDENE CHLORIDE, VINYL FLUORIDE, VINYLIDENE FLUROIDE, 1,1-FLUOROCHLOROETHYLENE AND TRIFLUOROETHYLENE, SAID COPOLYMER HAVING A SOFTENING POINT ABOVE ABOUT 150*C. AND SAID OXYGENATED SOLVENT BEING SELECTED FROM THE GROUP CONSISTING OF TETRAHYDROFURAN, TETRAHYDRO-2METHYL FURAN, TETRAHYDROPYRAN, 3 CHLOROTETRAHYDROFURAN AND DIOXANE.
Claim 2
Dependent Claim
88 words
A NOVEL CONDUCTIVE INK COMPOSITION WHICH COMPRISES AN ADMIXTURE OF PARTICLES OF AN ELECTRICAL CONDUCTOR AND A SOLUTION IN AN OXYGENATED ORGANIC SOLVENT OF A NORMALLY SOLID, TWO COMPONENT COPOLYMER OF TRIFLUOROCHLOROETHYLENE AND BETWEEN ABOUT 5 AND ABOUT 95 MOL PERCENT OF A MEMBER OF THE GROUP CONSISTING OF VINYL CHLORIDE, VINYLIDENE CHLORIDE, VINYL FLUORIDE, VINYLIDENE FLUROIDE, 1,1-FLUOROCHLOROETHYLENE AND TRIFLUOROETHYLENE, SAID COPOLYMER HAVING A SOFTENING POINT ABOVE ABOUT 150*C. AND SAID OXYGENATED SOLVENT BEING SELECTED FROM THE GROUP CONSISTING OF TETRAHYDROFURAN, TETRAHYDRO-2METHYL FURAN, TETRAHYDROPYRAN, 3 CHLOROTETRAHYDROFURAN AND DIOXANE.
References Cited (Backward Citations)
CA467677A
Cited
US2468664A
Cited
US2721153A
Cited
US2618574A
Cited
US2644804A
Cited
US2752331A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-29 | 1962-06-30 | 1962-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-29 | 1966-06-30 | 1966-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-29 | 1970-06-30 | 1970-12-30 | $7700.00 | Window Closed / Lapsed |