US3583876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating composition
Assignee: Mo och Domsjo AB
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Filing: 1970-01-02
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Granted: 1971-06-08
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Expires: 1990-01-02
Abstract
Abstract A PAPER COATING COMPOSITION IS PROVIDED HAVING IMPROVED WATER-RETAINING PROPERTIES, AND A LESSER TENDENCY TO BE ABSORBED IN THE PAPER, COMPRISING A PAPER PIGMENT FILLER DISPERSED IN AN AQUEOUS SOLUTION OF A WATER-SOLUBLE CELLULOSE ETHER HAVING A VISCOSITY OF LESS THAN 400 CPS. IN A 2% AQUEOUS SOLUTION AT 20*C., AND A WATERSOLUBLE SALT OF A CHLOROPHENOL. A COATED PAPER PRODUCT IS ALSO PROVIDED.
Inventors
- 👤 Johan Jakob Wennergren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:04
CPC Classifications
D; D21; D21H; D21H19/00; D21H19/36; D21H19/44; D21H19/52; D21H19/46
Claims Analysis
Total Claims: 0
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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) | 1974-06-07 | 1974-12-07 | 1975-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-07 | 1978-12-07 | 1979-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-07 | 1982-12-07 | 1983-06-08 | $7700.00 | Window Closed / Lapsed |