US2651580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mineral coated paper and coating composition therefor
Assignee: Warren SD Co
•
Filing: 1949-09-01
•
Granted: 1953-09-08
•
Expires: 1969-09-01
Abstract
No abstract record available.
Inventors
- 👤 Reilly Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:01
CPC Classifications
D; D21; D21H; D21H19/00; D21H19/36; D21H19/44; D21H19/54; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24893; Y10T428/24909; Y10T428/24934; Y10T428/249921; Y10T428/249953; Y10T428/249986; Y10T428/31504; Y10T428/31725; Y10T428/31765; Y10T428/31768; Y10T428/31772; Y10T428/31775; Y10T428/31844; Y10T428/31848; Y10T428/31971; Y10T428/31975
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A FLUID MINERAL PAPER COATING COMPOSITION COMPRISING AN AQUEOUS MEDIUM HAVING DISPERSED THEREIN A MAJOR PROPORTION OF A CINELY DIVIDED MINERAL PIGMENT AND A MINOR PROPORTION OF A HYDROPHILIC ADHESIVE, THE RATIO OF PIGMENT TO ADHESIVE BEING SUCH THAT A DRIED COATING FORMED FROM SAID COMPOSITION WILL CONTAIN CAPILLARY INTERSTICES AND PORES BETWEEN THE PIGMENT PARTICLES AND THAT THE COATING WILL NOT FAIL WHILE BEING PRINTED, SAID COATING COMPOSITION CONTAINING ALSO AN AMMONIUM SOAP OF A NATURAL RESIN HAVING A HIGH ACID VALUE, THE WEIGHT OF THE RESIN IN SAID SOAP AMOUNTING TO FROM .25 TO 5 PERCENT OF THE WEIGHT OF SAID PIGMENT.
Claim 2
Dependent Claim
104 words
A FLUID MINERAL PAPER COATING COMPOSITION COMPRISING AN AQUEOUS MEDIUM HAVING DISPERSED THEREIN A MAJOR PROPORTION OF A CINELY DIVIDED MINERAL PIGMENT AND A MINOR PROPORTION OF A HYDROPHILIC ADHESIVE, THE RATIO OF PIGMENT TO ADHESIVE BEING SUCH THAT A DRIED COATING FORMED FROM SAID COMPOSITION WILL CONTAIN CAPILLARY INTERSTICES AND PORES BETWEEN THE PIGMENT PARTICLES AND THAT THE COATING WILL NOT FAIL WHILE BEING PRINTED, SAID COATING COMPOSITION CONTAINING ALSO AN AMMONIUM SOAP OF A NATURAL RESIN HAVING A HIGH ACID VALUE, THE WEIGHT OF THE RESIN IN SAID SOAP AMOUNTING TO FROM .25 TO 5 PERCENT OF THE WEIGHT OF SAID PIGMENT.
References Cited (Backward Citations)
GB189819324A
Cited
US1223480A
Cited
US2192488A
Cited
US2210835A
Cited
US2288476A
Cited
US2354318A
Cited
US2360828A
Cited
US2399748A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-07 | 1957-03-09 | 1957-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-07 | 1961-03-09 | 1961-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-07 | 1965-03-09 | 1965-09-08 | $7700.00 | Window Closed / Lapsed |