US3288632A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of coated paper
Assignee: NewPage Wisconsin System Inc
•
Filing: 1962-08-23
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Granted: 1966-11-29
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Expires: 1982-08-23
Abstract
No abstract record available.
Inventors
- 👤 James A Rush
- 👤 Sherwood G Holt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:40
CPC Classifications
D; D21; D21H; D21H23/00; D21H23/02; D21H23/22; D21H23/52; D21H23/56; B; B32; B32B; B32B27/00; D21G; D21G9/00; D21G9/009; D21H19/00; D21H19/80; D21H19/82; D21H23/32; D21H23/34; D21H5/00; D21H5/0005; D21H19/36; D21H19/38; D21H19/385; D21H19/44; D21H19/50; D21H19/56; D21H19/58
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
137 words
THE METHOD OF MAKING PAPER OF ENHANCED SMOOTHNESS AND PRINTABILITY WHICH CAN BE USED FOR FINE ROTOGRAVURE PRINTING WITH LITTLE OR NO SUPERCALENDERING WHICH COMPRISES APPLYING ONTO EACH OF THE SURFACES OF A DOUBLE MACHINE GLAZED FORWARDLY MOVING DRY WEB OF PAPER TWO SEPARATE LAYERS OF AQUEOUS COATING COMPOSITION OF FROM ABOUT 20 TO ABOUT 65% SOLIDS CONTENT COMPRISING MINERAL PIGMENT AND ADHESIVE AND SEPARATELY HEAT DRYING EACH COATING AFTER IT HAS BEEN APPLIED AND LEVELED, THE ADHESIVE IN THE FIRST COATING BEING FROM ABOUT 10 TO ABOUT 30% BY WEIGHT OF THE PIGMENT AND THE ADHESIVE IN THE LAST COATING BEING GREATER IN AMOUNT BY WEIGHT OF THE PIGMENT THAN THAT OF THE PRECEDING COATING AND BEING FROM 30% TO 100% BY WEIGHT OF THE PIGMENT AND COMPRISED PRINCIPALLY OF A THERMOPLASTIC SYNTHETIC AQUEOUS POLYMERIC DISPERSION.
References Cited (Backward Citations)
US2177580A
Cited
US2746878A
Cited
US2795564A
Cited
US3005727A
Cited
US2949382A
Cited
US3044896A
Cited
US3222209A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |