US3015632A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrically conductive printing ink and method of producing same
Assignee: Tribune Co
•
Filing: 1956-12-31
•
Granted: 1962-01-02
•
Expires: 1976-12-31
Abstract
No abstract record available.
Inventors
- 👤 Robert K Remer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:21
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A CATIONIC, ELECTRICALLY-CONDUCTIVE PRINTING INK COMPRISING A PIGMENT AND A VEHICLE COMPOSED OF THE REACTION PRODUCT OF AN OIL-MODIFIED ALKYD POLYCARBOXYLIC ACID-POLYHYDRIC ALCOHOL RESIN AND AN ALIPHATIC PRIMARY AMIDE OF HIGH MOLECULAR WEIGHT WHICH AMIDE IS SURFACE ACTIVE AND OF THE CATIONIC TYPE.
Claim 2
Dependent Claim
43 words
A CATIONIC, ELECTRICALLY-CONDUCTIVE PRINTING INK COMPRISING A PIGMENT AND A VEHICLE COMPOSED OF THE REACTION PRODUCT OF AN OIL-MODIFIED ALKYD POLYCARBOXYLIC ACID-POLYHYDRIC ALCOHOL RESIN AND AN ALIPHATIC PRIMARY AMIDE OF HIGH MOLECULAR WEIGHT WHICH AMIDE IS SURFACE ACTIVE AND OF THE CATIONIC TYPE.
References Cited (Backward Citations)
US2048778A
Cited
US2049507A
Cited
US2120930A
Cited
US2400519A
Cited
US2461918A
Cited
US2541505A
Cited
US2467192A
Cited
US2475410A
Cited
US2475409A
Cited
US2590654A
Cited
US2582704A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-01 | 1965-07-03 | 1966-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-01 | 1969-07-03 | 1970-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-01 | 1973-07-03 | 1974-01-02 | $7700.00 | Window Closed / Lapsed |