US2851378A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ink receptive oil transparentized paper
Assignee: Standard Register Co
•
Filing: 1954-04-07
•
Granted: 1958-09-09
•
Expires: 1974-04-07
Abstract
No abstract record available.
Inventors
- 👤 Ernest G Emmert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:37
CPC Classifications
D; D21; D21H; D21H21/00; D21H21/14; D21H21/26
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
75 words
NORMALLY NON-TRANSULCENT BOND PAPER TRANSPARENTIZED BY TREATMENT WITH A SOLUTION COMPRISING 35% TO 55% OF THE VOLATILE ORGANIC SOLVENT HAVING DISSOLVED THEREIN 10% TO 25% OF CASTOR OIL, AND 20% TO 50% OF THE MONOSTEARATE ESTER OF A POLYETHYLENE GLYCOL HAVING AN AVERAGE MOLECULE WEIGHT OF 4000, SAID GLYCOL BEING EFFECTIVE NOT ONLY TO OBVIATE SEEPING AND BLEEDING OF THE CASTOR OIL ON THE PAPER BUT ALSO RENDER THE TREATED PAPER WATER-INK AND PRINTING-INK RECEPTIVE.
References Cited (Backward Citations)
US2494559A
Cited
US2568550A
Cited
US1464477A
Cited
US1498797A
Cited
US2664409A
Cited
US2692228A
Cited
US2668150A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-08 | 1962-03-10 | 1962-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-08 | 1966-03-10 | 1966-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-08 | 1970-03-10 | 1970-09-09 | $7700.00 | Window Closed / Lapsed |