US2762712A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Printing ink vehicle containing esterhydrocarbon copolymer drying oil
Assignee: Universal Oil Products Co
•
Filing: 1953-06-01
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Granted: 1956-09-11
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Expires: 1973-06-01
Abstract
No abstract record available.
Inventors
- 👤 Herman S Bloch
- 👤 Alfred E Hoffman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:13
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A PRINTING INK COMPOSITION COMPRISING A PIGMENT AND, AS A VEHICLE FOR THE PIGMENT, THE COPOLYMERIZED PRODUCT OF AN UNSATURATED FATTY ACID ESTER DRYING OIL AND AN UNSATURATED HYDROCARBON DRYING OIL CONSISTING ESSENTIALLY OF POLYOLEFINIC, HIGH MOLECULAR WEIGHT HYDROCARBONS FORMED BY THE HYDROGEN FLUORIDE CATALYZED COPOLYMERIZATION, AT A TEMPERATURE OF FROM ABOUT -80* C. TO ABOUT 0* C., OF A MIXTURE OF FROM ABOUT 40 TO ABOUT 5% BY WEIGHT OF AN ALIPHATIC ISOMONO-OLEFIN OF NOT MORE THAN 8 CARBON ATOMS AND FROM ABOUT 60 TO ABOUT 95% BY WEIGHT OF AN ALIPHATIC CONJUGATED DIOLEFIN OF NOT MORE THAN ABOUT 8 CARBON ATOMS.
Claim 2
Dependent Claim
103 words
A PRINTING INK COMPOSITION COMPRISING A PIGMENT AND, AS A VEHICLE FOR THE PIGMENT, THE COPOLYMERIZED PRODUCT OF AN UNSATURATED FATTY ACID ESTER DRYING OIL AND AN UNSATURATED HYDROCARBON DRYING OIL CONSISTING ESSENTIALLY OF POLYOLEFINIC, HIGH MOLECULAR WEIGHT HYDROCARBONS FORMED BY THE HYDROGEN FLUORIDE CATALYZED COPOLYMERIZATION, AT A TEMPERATURE OF FROM ABOUT -80* C. TO ABOUT 0* C., OF A MIXTURE OF FROM ABOUT 40 TO ABOUT 5% BY WEIGHT OF AN ALIPHATIC ISOMONO-OLEFIN OF NOT MORE THAN 8 CARBON ATOMS AND FROM ABOUT 60 TO ABOUT 95% BY WEIGHT OF AN ALIPHATIC CONJUGATED DIOLEFIN OF NOT MORE THAN ABOUT 8 CARBON ATOMS.
References Cited (Backward Citations)
US2135976A
Cited
US2578214A
Cited
US2581413A
Cited
US2424143A
Cited
US2421422A
Cited
US2640782A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-11 | 1960-03-12 | 1960-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-11 | 1964-03-12 | 1964-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-11 | 1968-03-12 | 1968-09-11 | $7700.00 | Window Closed / Lapsed |