US3410932A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymer foaming
Assignee: Phillips Petroleum Co
•
Filing: 1966-02-21
•
Granted: 1968-11-12
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Expires: 1986-02-21
Abstract
No abstract record available.
Inventors
- 👤 Charles S Woodson
- 👤 Wayne E Cooper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 03:46
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/04; Y; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249987; Y10T428/24999
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A METHOD FOR MAKING A FOAMED POLYMER-COATED, METAL-CONTAINING ARTICLE HAVING A SUBSTANTIALLY NONPOROUS OUTER SURFACE COMPRISING COATING A METAL CONTAINING SUBSTRATE WITH A MIXTURE OF AT LEAST ONE COATING POLYMER AND AT LEAST ONE FOAMING AGENT, AND SELECTIVELY HEATING SAID SUBSTRATE TO CAUSE ACTIVATION OF SAID FOAMING AGENT BY HEAT EMANATING FROM SAID SUBSTRATE.
Claim 2
Independent Claim
54 words
A METHOD FOR MAKING A FOAMED POLYMER-COATED, METAL-CONTAINING ARTICLE HAVING A SUBSTANTIALLY NONPOROUS OUTER SURFACE COMPRISING COATING A METAL CONTAINING SUBSTRATE WITH A MIXTURE OF AT LEAST ONE COATING POLYMER AND AT LEAST ONE FOAMING AGENT, AND SELECTIVELY HEATING SAID SUBSTRATE TO CAUSE ACTIVATION OF SAID FOAMING AGENT BY HEAT EMANATING FROM SAID SUBSTRATE.
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) | 1971-11-12 | 1972-05-13 | 1972-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-12 | 1976-05-13 | 1976-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-12 | 1980-05-13 | 1980-11-12 | $7700.00 | Window Closed / Lapsed |