US3104985A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conducting polymer compositions
Assignee: Cabot Corp
•
Filing: 1959-01-06
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Granted: 1963-09-24
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Expires: 1979-01-06
Abstract
No abstract record available.
Inventors
- 👤 Frank R Williams
- 👤 Manuel F Perdigao
- 👤 Bram B S T Boonstra
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:36
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/02; C08K3/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A PROCESS FOR PRODUCING A FLEXIBLE ELECTRICALLY CONDUCTIVE TAPE WHICH PROCESS COMPRISES THE STEPS OF APPLYING TO A FLEXBILE SUBSTRATE A LIQUID COMPOSITION COMPRISING A CURING AGENT, AND A SOLVENT HAVING DISSOLVED THEREIN A MATERIAL CHOSEN FROM THE GROUP CONSISTING OF POLYETHYLENE, POLYPROPYLENE, POLYBUTENE, AND COPOLYMERS THEREOF, AND MIXTURES THEREOF, AND HAVING DISPERSED THEREIN BETWEEN 40 AND 125 PARTS OF CARBON BLACK BY WEIGHT PER 100 PARTS OF SAID MATERIAL, EVAPORATING OFF SAID SOLVENT FROM SAID COMPOSITION AND HEATING THE COMPOSITION REMAINING TO CURING TEMPERATURES.
Claim 2
Dependent Claim
85 words
A PROCESS FOR PRODUCING A FLEXIBLE ELECTRICALLY CONDUCTIVE TAPE WHICH PROCESS COMPRISES THE STEPS OF APPLYING TO A FLEXBILE SUBSTRATE A LIQUID COMPOSITION COMPRISING A CURING AGENT, AND A SOLVENT HAVING DISSOLVED THEREIN A MATERIAL CHOSEN FROM THE GROUP CONSISTING OF POLYETHYLENE, POLYPROPYLENE, POLYBUTENE, AND COPOLYMERS THEREOF, AND MIXTURES THEREOF, AND HAVING DISPERSED THEREIN BETWEEN 40 AND 125 PARTS OF CARBON BLACK BY WEIGHT PER 100 PARTS OF SAID MATERIAL, EVAPORATING OFF SAID SOLVENT FROM SAID COMPOSITION AND HEATING THE COMPOSITION REMAINING TO CURING TEMPERATURES.
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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) | 1966-09-23 | 1967-03-25 | 1967-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-23 | 1971-03-25 | 1971-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-23 | 1975-03-25 | 1975-09-24 | $7700.00 | Window Closed / Lapsed |