US3692702A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductive contact adhesive
Assignee: Chase Corp
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Filing: 1970-08-26
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Granted: 1972-09-19
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Expires: 1990-08-26
Abstract
Abstract A SEMICONDUCTING CONTACT ADHESIVE COMPRISING A VULCANIZING AGENT, A VULCANIZABLE POLYMER SUCH AS POLY(2CHLORO-1,3-BUTADIENE), AND A CARBON BLACK FOR IMPARTING SEMICONDUCTING PROPERTIES THERETO. THE CARBON BLACK IS ADVANTAGEOUSLY OF A HIGH SURFACE:ABSORPTIVITY RATIO. THE ADHESIVE IS CHARACTERIZED BY ITS EXCELLENT VISCOSITY CHARACTERISTICS, EXCELLENT SHELF LIFE, VERY HIGH INITIAL STRENGTH, AND HIGH DEGREE OF SURFACE-SELECTIVITY.
Inventors
- 👤 Anthony R Lania
- 👤 Neil Kirkegard Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:27
CPC Classifications
C; C09; C09J; C09J121/00; H; H01; H01B; H01B1/00; H01B1/20; H01B1/24; C08; C08K; C08K3/00; C08K3/02; C08K3/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-09-19 | 1976-03-20 | 1976-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-09-19 | 1980-03-20 | 1980-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-09-19 | 1984-03-20 | 1984-09-19 | $7700.00 | Window Closed / Lapsed |