US2583274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing mineralcoated paper
Assignee: Monsanto Chemicals Ltd
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Filing: 1947-04-30
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Granted: 1952-01-22
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Expires: 1967-04-30
Abstract
No abstract record available.
Inventors
- 👤 George E Niles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:25
CPC Classifications
D; D21; D21H; D21H19/00; D21H19/36; D21H19/44; D21H19/56; D21H19/58
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
THE PROCESS OF PRODUCING A MINERAL-COATED PRINTING PAPER OF HIGH BRIGHNESS AND HAVING EXCELLENT INK RECEPTIVITY WHICH CONSISTS IN COATING AT LEAST ONE SIDE OF A PAPER BODY STOCK WITH AN AQUEOUS SLURRY CONSISTING ESSENTIALLY OF WATER, A PIGMENT AND FROM 4 TO 30% BY WEIGHT BASED ON SAID PIGMENT OF A BINDER CONSISTING OF A COPOLYMER OF FROM 33 TO 65% BY WEIGHT OF STYERNE AND FROM 67 TO 35% BY WEIGHT OF AN ALKYL ACRYLATE, SAID COPOLYMER BEING DISPERSED IN SAID SLURRY AND BEING THE SOLE BINDER FOR SAID PIGMENT, AND THEN DRYING AND CALENDERING THE COATED PAPER STOCK.
Claim 2
Dependent Claim
101 words
THE PROCESS OF PRODUCING A MINERAL-COATED PRINTING PAPER OF HIGH BRIGHNESS AND HAVING EXCELLENT INK RECEPTIVITY WHICH CONSISTS IN COATING AT LEAST ONE SIDE OF A PAPER BODY STOCK WITH AN AQUEOUS SLURRY CONSISTING ESSENTIALLY OF WATER, A PIGMENT AND FROM 4 TO 30% BY WEIGHT BASED ON SAID PIGMENT OF A BINDER CONSISTING OF A COPOLYMER OF FROM 33 TO 65% BY WEIGHT OF STYERNE AND FROM 67 TO 35% BY WEIGHT OF AN ALKYL ACRYLATE, SAID COPOLYMER BEING DISPERSED IN SAID SLURRY AND BEING THE SOLE BINDER FOR SAID PIGMENT, AND THEN DRYING AND CALENDERING THE COATED PAPER STOCK.
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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) | 1955-01-21 | 1955-07-23 | 1956-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-21 | 1959-07-23 | 1960-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-21 | 1963-07-23 | 1964-01-22 | $7700.00 | Window Closed / Lapsed |