US3635876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoplastic material compositions
Assignee: Alsacienne Atom
•
Filing: 1969-08-06
•
Granted: 1972-01-18
•
Expires: 1989-08-06
Abstract
Abstract A TERMOPLASTIC COMPOSITION IS PROVIDED HAVING A RESPONSE EQUIVALENT TO B, V AND X RADIATIONS AND NEUTRONS EQUIVALENT TO THAT OF ORGANIC TISSUE. THE COMPOSITION CONTAINS (1) ABOUT 55 TO 70% BY WEIGHT OF POLYPROPYLENE OR POLYETHYLENE (2) 10 TO 15% BY WEIGHT OF POLYACETAL AND (3) 20 TO 30% BY WEIGHT OF MAGNESIUM OXIDE OR HYDROXIDE; OR, (1) THE SAME AMOUNT OF POLYPROPYLENE OR POLYETHYLENE (2) 15 TO 25% OF POLYACETAL AND (3) 15 TO 20% OF ALUMINA.
Inventors
- 👤 Jean Chameroy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:53
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/18; C08K3/20; C08K3/22; C08L; C08L23/00; C08L23/02; C08L23/04; C08L23/06; C08L23/10; C08L23/12; C08L59/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1975-01-17 | 1975-07-19 | 1976-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-17 | 1979-07-19 | 1980-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-17 | 1983-07-19 | 1984-01-18 | $7700.00 | Window Closed / Lapsed |