Patent US3141002A successfully refreshed from Google Patents.
US3141002A
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Foamable composition comprising a thermoplastic polymer and barium azocarbonate and method of foaming
Assignee: National Polychemicals Inc
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Filing: 1959-07-07
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Granted: 1964-07-14
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Expires: 1979-07-07
Abstract
No abstract record available.
Inventors
- 👤 Henry A Hill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:37
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/04; C08J9/06; C08J9/10; C08J9/102; Y; Y10; Y10S; Y10S264/00; Y10S264/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
31 words
A COMPOSITION SUITABLE FOR BLOWING COMRISING A THERMOPLASTIC POLYMER DERIVED FROM AN ETHYLENCIALLY UNSATURATED MONOMER AND BARIUM AZOCARBONATE, DISPERSED THEREIN IN AN AMOUNT EFFECTIVE TO PRODUCE CELLS IN SAID TERMOPLASTIC POLYMER.
Claim 2
Dependent Claim
31 words
A COMPOSITION SUITABLE FOR BLOWING COMRISING A THERMOPLASTIC POLYMER DERIVED FROM AN ETHYLENCIALLY UNSATURATED MONOMER AND BARIUM AZOCARBONATE, DISPERSED THEREIN IN AN AMOUNT EFFECTIVE TO PRODUCE CELLS IN SAID TERMOPLASTIC POLYMER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-14 | 1968-01-13 | 1968-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-14 | 1972-01-13 | 1972-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-14 | 1976-01-13 | 1976-07-14 | $7700.00 | Window Closed / Lapsed |