US2973292A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organic plastic destaticized with strontium-90, method of making and laminate containing same
Assignee: Monsanto Chemicals Ltd
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Filing: 1953-05-27
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Granted: 1961-02-28
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Expires: 1973-05-27
Abstract
No abstract record available.
Inventors
- 👤 William H Yanko
- 👤 Ival O Salyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:02
CPC Classifications
B; B32; B32B; B32B27/00; C; C08; C08K; C08K3/00; C08K3/10; C08K3/105; C08K3/28; Y; Y10; Y10S; Y10S260/00; Y10S260/15; Y10S260/16; Y10S524/00; Y10S524/91; Y10S524/912; Y10S57/00; Y10S57/901; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/31938
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
41 words
AN ORGANIC PLASTIC MATERIAL THAT WOULD NORMALLY BE SUBJECT TO ACCUMULATION OF STATIC ELECTRICAL CHARGE ON THE SURFACE, CONTAINING STRONTIUM-90 IN A DESTATICIZING QUANTITY OF MORE THAN ABOUT 0.01 AND NOT MORE THAN ABOUT 10 MICROCURIES PER GRAM OF PLASTIC MATERIAL.
Claim 2
Dependent Claim
41 words
AN ORGANIC PLASTIC MATERIAL THAT WOULD NORMALLY BE SUBJECT TO ACCUMULATION OF STATIC ELECTRICAL CHARGE ON THE SURFACE, CONTAINING STRONTIUM-90 IN A DESTATICIZING QUANTITY OF MORE THAN ABOUT 0.01 AND NOT MORE THAN ABOUT 10 MICROCURIES PER GRAM OF PLASTIC MATERIAL.
Claim 3
Dependent Claim
67 words
A LAMINATE MADE UP OF A PLURALITY OF THIN LAYERS OF SOLID MATERIALS BONDED TOGETHER, AT LEAST THE OUTER LAYER OF WHICH IS COMPOSED OF AN ORGANIC PLASTIC MATERIAL THAT WOULD NORMALLY BE SUBJECT TO ACCUMULATION OF STATIC ELECTRICAL CHARGE ON THE SURFACE AND CONTAINING STRONTIUM-90 IN A DESTATICIZING QUANTITY OF MORE THAN ABOUT 0.01 AND NOT MORE THAN ABOUT 10 MICROCURIES PER GRAM OF PLASTIC MATERIAL.
Claim 4
Dependent Claim
67 words
A LAMINATE MADE UP OF A PLURALITY OF THIN LAYERS OF SOLID MATERIALS BONDED TOGETHER, AT LEAST THE OUTER LAYER OF WHICH IS COMPOSED OF AN ORGANIC PLASTIC MATERIAL THAT WOULD NORMALLY BE SUBJECT TO ACCUMULATION OF STATIC ELECTRICAL CHARGE ON THE SURFACE AND CONTAINING STRONTIUM-90 IN A DESTATICIZING QUANTITY OF MORE THAN ABOUT 0.01 AND NOT MORE THAN ABOUT 10 MICROCURIES PER GRAM OF PLASTIC MATERIAL.
References Cited (Backward Citations)
US2559259A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-28 | 1964-08-29 | 1965-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-28 | 1968-08-29 | 1969-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-28 | 1972-08-29 | 1973-02-28 | $7700.00 | Window Closed / Lapsed |