Patent US2836573A successfully refreshed from Google Patents.
US2836573A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Marking inks containing glycidyl polyethers, rosin, and aluminum nitrate
Assignee: Westinghouse Electric Corp
•
Filing: 1956-10-31
•
Granted: 1958-05-27
•
Expires: 1976-10-31
Abstract
No abstract record available.
Inventors
- 👤 Kenneth L Rohrer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:06
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/02; C09D11/10; C09D11/102
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A PRINTING INK COMPRISING FROM 15% TO 50% BY WEIGHT OF A FINELY DIVIDED INSOLULE PIGMENT DISPERSED IN FROM 85% TO 50% BY WEIGHT OF A VEHICLE, SAID VEHICLE COMPRISING A SOLUTION OF A GLYCIDYL POLYETHER DERIVED FROM A DIHYDRIC PHENOL AND AN EPIHALOHYDRIN AND ALUMINUM NITRATE IN A VOLATILE ORGANIC SOLVENT, SAID SOLVENT COMPRISING FROM 40% TO 70% BY WEIGHT OF THE VEHICLE, AND THE GLYCIDYL POLYETHER AND THE ALUMINUM NITRATE COMPRISING FROM 60% TO 30% BY WEIGHT OF THE VEHICLE, SAID GLYCIDYL POLYETHER COMPRISING FROM 1 TO 2 PARTS BY WEIGHT FOR EACH PART BY WEIGHT OF THE ALUMINUM NITRATE.
Claim 2
Dependent Claim
102 words
A PRINTING INK COMPRISING FROM 15% TO 50% BY WEIGHT OF A FINELY DIVIDED INSOLULE PIGMENT DISPERSED IN FROM 85% TO 50% BY WEIGHT OF A VEHICLE, SAID VEHICLE COMPRISING A SOLUTION OF A GLYCIDYL POLYETHER DERIVED FROM A DIHYDRIC PHENOL AND AN EPIHALOHYDRIN AND ALUMINUM NITRATE IN A VOLATILE ORGANIC SOLVENT, SAID SOLVENT COMPRISING FROM 40% TO 70% BY WEIGHT OF THE VEHICLE, AND THE GLYCIDYL POLYETHER AND THE ALUMINUM NITRATE COMPRISING FROM 60% TO 30% BY WEIGHT OF THE VEHICLE, SAID GLYCIDYL POLYETHER COMPRISING FROM 1 TO 2 PARTS BY WEIGHT FOR EACH PART BY WEIGHT OF THE ALUMINUM NITRATE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-26 | 1961-11-25 | 1962-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-26 | 1965-11-25 | 1966-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-26 | 1969-11-25 | 1970-05-27 | $7700.00 | Window Closed / Lapsed |