Patent US3574659A successfully refreshed from Google Patents.
US3574659A
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US
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Process of textured resinous sheet preparation
Assignee: Congoleum Corp
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Filing: 1969-03-28
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Granted: 1971-04-13
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Expires: 1989-03-28
Abstract
Abstract A PROCESS FOR PRODUCING A RESINOUS COMPOSITION HAVING A TENTURED OR EMBOSSED SURFACE WHICH COMPRISES SELECTIVELY CONTACTING A RESINOUS POLYMER CONTAINING A HYDRAZINE DERIVATIVE DISPERSED THEREIN WITH AN OXIDIZING AGENT FOR SAID HYDRAZINE DERIVATIVE, THEREBY RESULTING IN THE INSITU FORMATION OF A GAS GENERATING BLOWING SYSTEM. THE EMBOSSED PRODUCTS RESULTING FROM THIS PROCESS.
Inventors
- 👤 Harold Kwart
- 👤 Leon B Palmer
- 👤 Robert P Conger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:05
CPC Classifications
D; D06; D06N; D06N7/00; D06N7/0005; D06N7/0007; D06N7/0013; B; B32; B32B; B32B27/00; B41; B41M; B41M3/00; B41M3/001; B41M7/00; B41M7/0027; C; C08; C08J; C08J9/00; C08J9/04; C08J9/06; C08J9/10; C08J9/101; C08J9/104; C08J9/105; Y; Y10; Y10S; Y10S264/00; Y10S264/82; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24595; Y10T428/24802; Y10T428/24851; Y10T428/249921; Y10T428/249953; Y10T428/249987; Y10T428/249988; Y10T428/249989; Y10T428/249991; Y10T428/249992
Claims Analysis
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References Cited (Backward Citations)
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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) | 1974-04-12 | 1974-10-12 | 1975-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-12 | 1978-10-12 | 1979-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-12 | 1982-10-12 | 1983-04-13 | $7700.00 | Window Closed / Lapsed |