US3554786A
Expired / Lapsed
US
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Method for preparing an element having a substrate coated with a pressure-insensitive,closed-microcelled composition
Assignee: EIDP Inc
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Filing: 1967-08-28
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Granted: 1971-01-12
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Expires: 1987-08-28
Abstract
Abstract A METHOD FOR COATING A SUBSTRATE SUCH AS PAPER WITH A MIXTURE OF A WATER-SOLUBLE PROTEINACEOUS SUCH AS PAPER WITH A MIXTURE OF A WATER-SOLUBLE PROTEINCEOUS BINDER AND AN ELASTOMERIC LATEX HAVING A CELL-FORMING LIQUID WITH A BOILING POINT LESS THAN 100*C. IMBIBED IN THE MIXTURE AND DRYING THE APPLIED COATING. THE DRIED COATING IS AN ESSENTIALLY CLOSED-MICROCELLED, PRESSURE-INSENSITIVE COATING.
Inventors
- 👤 Erwin Paul Lieberman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:47
CPC Classifications
D; D21; D21H; D21H19/00; D21H19/66; D21H19/70; D21H19/36; D21H19/44; D21H19/50; D21H19/56; D21H19/58
Claims Analysis
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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) | 1974-01-11 | 1974-07-13 | 1975-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-11 | 1978-07-13 | 1979-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-11 | 1982-07-13 | 1983-01-12 | $7700.00 | Window Closed / Lapsed |