US3055843A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tissue-equivalent plastic composition
Assignee: TDK Micronas GmbH
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Filing: 1959-04-07
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Granted: 1962-09-25
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Expires: 1979-04-07
Abstract
No abstract record available.
Inventors
- 👤 Fred A Muller
- 👤 Donald K Keel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:06
CPC Classifications
H; H01; H01J; H01J47/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
100 words
THE PROCESS OF PREPARING A TISSUE-EQUIVALENT SEMICONDUCTING MOLDED MATERIAL HAVING A VOLUME RESISTIVITY LESS THAN 105 OHM-CENTIMETERS COMPRISING INTIMATELY MIXING TOGETHER, IN PRECENTAGE BY WEIGHT, 2,4-DI-N-BUTYLAMINO6-CHLORO-S-TRIAZINE 0 TO 14.5%, 2,4-DI-N-BUTYLAMINODROXY-S-TRIAZINE 1.5 TO 14%, POLYETHYLENE 52 TO 72% AND POLYISOBUTYLENE 0 TO 5%, TO PROVIDE, IN PERCENTAGE BY WEIGHT, NIRTOGEN IN THE RANGE OF 0.5 TO 4%, HYDROGEN IN THE RANGE OF 9.5 TO 10.5% AND CHLORINE IN THE RANGE IF 0 TO 2%, ADDING THERETO ACETYLENE BLACK IN AN AMOUNT TOTAL APPROXIMATELY 100%, MIXING ONLY SUFFICIENT TO INCORPORATE SAID ACETYLENE BLACK UNIFORMLY IN THE PRIOR MIXTURE AND MODLING SAID COMPOSITION.
References Cited (Backward Citations)
US2841571A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-24 | 1966-03-26 | 1966-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-24 | 1970-03-26 | 1970-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-24 | 1974-03-26 | 1974-09-25 | $7700.00 | Window Closed / Lapsed |