US3297614A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Styrene-acrylate-unsaturated acid copolymer pigmented paper coatings
Assignee: Dow Chemical Co
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Filing: 1962-11-02
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Granted: 1967-01-10
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Expires: 1982-11-02
Abstract
No abstract record available.
Inventors
- 👤 Robert J Pueschner
- 👤 Harold A Walters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:22
CPC Classifications
D; D21; D21H; D21H19/00; D21H19/36; D21H19/44; D21H19/56; D21H19/58; C; C09; C09J; C09J133/00; C09J133/04; C09J133/06; C09J133/062; C09J133/064; C08; C08L; C08L2666/00; C08L2666/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A PIGMENTARY COMPOSITION FOR COATING PAPER COMPRISING AN ADHESIVE AND A FINELY DIVIDED PIGMENT IN AN AQUEOUS MEDIUM, THE PIGMENT HAVING AT LEAST 50 PERCENT BY WEIGHT OF CLAY THEREIN, THERE BEING FOR 100 PARTS BY WEIGHT OF THE PIGMENT FROM ABOUT 5 TO ABOUT 30 PARTS BY WEIGHT OF PIGMENT-BINDING ADHESIVE OF WHICH FROM ABOUT 1 TO ABOUT 30 PARTS, DRY BASIS, ARE THE LATEX COPOLYMER OF (A) FROM ABOUT 5 TO ABOUT 48 PERCENT BY WEIGHT OF AN ALKENYL AROMATIC MONOMER HAVING THE FORMULA
Claim 2
Dependent Claim
86 words
A PIGMENTARY COMPOSITION FOR COATING PAPER COMPRISING AN ADHESIVE AND A FINELY DIVIDED PIGMENT IN AN AQUEOUS MEDIUM, THE PIGMENT HAVING AT LEAST 50 PERCENT BY WEIGHT OF CLAY THEREIN, THERE BEING FOR 100 PARTS BY WEIGHT OF THE PIGMENT FROM ABOUT 5 TO ABOUT 30 PARTS BY WEIGHT OF PIGMENT-BINDING ADHESIVE OF WHICH FROM ABOUT 1 TO ABOUT 30 PARTS, DRY BASIS, ARE THE LATEX COPOLYMER OF (A) FROM ABOUT 5 TO ABOUT 48 PERCENT BY WEIGHT OF AN ALKENYL AROMATIC MONOMER HAVING THE FORMULA
References Cited (Backward Citations)
US2726230A
Cited
US2790735A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |