US2964403A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surface-sizing of fibrous void-containing sheets with hydrous zirconium compounds
Assignee: Reheis Co Inc
•
Filing: 1955-09-01
•
Granted: 1960-12-13
•
Expires: 1975-09-01
Abstract
No abstract record available.
Inventors
- 👤 Stewart M Beekman
- 👤 John F Cipriano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:05
CPC Classifications
D; D21; D21H; D21H19/00; D21H19/36; D21H19/44; D21H19/64; D21H19/66; D21H19/70; G; G03; G03C; G03C1/00; G03C1/76; G03C1/775
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
A SURFACE-SIZING COMPOSITION FOR SIZING FIBROUS SHEET MATERIAL CONSISTING ESSENTIALLY OF AN AQUEOUS DISPERSION OF A WATER-DISPERSIBLE POLYMERIC ADHESIVE AND AN INCOMPLETELY DRIED WATER-INSOLUBLE HYDROUS ZIRCONIUM COMPOUND IN GELATINOUS CONDITION, THE ADHESIVE AND ZIRCONIUM COMPOUND BEING IN THE PROPORTION OF FROM 30 TO 120 PARTS ADHESIVE TO EACH 100 PARTS OF ZIRCONIUM COMPOUND CALCULATED AS THE OXIDE.
Claim 2
Dependent Claim
57 words
A SURFACE-SIZING COMPOSITION FOR SIZING FIBROUS SHEET MATERIAL CONSISTING ESSENTIALLY OF AN AQUEOUS DISPERSION OF A WATER-DISPERSIBLE POLYMERIC ADHESIVE AND AN INCOMPLETELY DRIED WATER-INSOLUBLE HYDROUS ZIRCONIUM COMPOUND IN GELATINOUS CONDITION, THE ADHESIVE AND ZIRCONIUM COMPOUND BEING IN THE PROPORTION OF FROM 30 TO 120 PARTS ADHESIVE TO EACH 100 PARTS OF ZIRCONIUM COMPOUND CALCULATED AS THE OXIDE.
References Cited (Backward Citations)
US1530139A
Cited
US1896040A
Cited
US2237374A
Cited
US2517111A
Cited
US2647835A
Cited
US2721801A
Cited
US2754280A
Cited
US2759847A
Cited
US2751309A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-13 | 1964-06-13 | 1964-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-13 | 1968-06-13 | 1968-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-13 | 1972-06-13 | 1972-12-13 | $7700.00 | Window Closed / Lapsed |