Patent EP0568236A2 successfully refreshed from Google Patents.
Patent US2499004A successfully refreshed from Google Patents.
US2499004A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inks and vehicles therefor
Assignee: Individual
•
Filing: 1946-07-30
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Granted: 1950-02-28
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Expires: 1966-07-30
Abstract
No abstract record available.
Inventors
- 👤 Harvey A Sell
- 👤 Cole Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:09
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/02; C09D11/10; C09D11/102; C09D11/104; C09D11/105; Y; Y10; Y10S; Y10S260/00; Y10S260/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
A VEHICLE FOR A PRINTING INK, CONSISTING OF SUBSTANTIALLY TWO PARTS BY WEIGHT OF PARTIALLY POLYMERIZED RESIN DISSOLVED IN ABOUT ONE PART BY WEIGHT OF ALIPHATIC HYDROCARBON SOLVENT THAT IS SUBSTANTIALLY NON-VOLATILE AT ROOM TEMPERATURE, SAID PARTIALLY POLYMERIZED RESIN BEING MADE BY REACTING A MIXTURE CONSISTING OF 2.75 MOLES OF PHTHALIC ACID ANHYDRIDE, 1 TO 1.5 MOLES OF VEGETABLE OIL FATTY ACID, AND POLYHYDRIC ALCOHOL OF HYDROXYL VALUE SUBSTANTIALLY EQUAL TO THAT OF 3.5 MOLES OF GLYCEROL, AND IN WHICH THE ALCOHOLIC HYDROXY GROUPS ARE THE SOLE REACTIVE GROUPS, SAID RESIN BEING PARTIALLY POLYMERIZED BY SLOW HEATING OF THE SAID INGREDIENTS WITH AGITATION, TAKING APPROXIMATELY ONE HOUR TO REACH 230*C. AND THEN CONTINUING TO HEAT THE SAME APPROXIMATELY AT THAT TEMPERATURE FOR THREE HOURS AND FIFTEEN MINUTES MORE.
Claim 2
Dependent Claim
128 words
A VEHICLE FOR A PRINTING INK, CONSISTING OF SUBSTANTIALLY TWO PARTS BY WEIGHT OF PARTIALLY POLYMERIZED RESIN DISSOLVED IN ABOUT ONE PART BY WEIGHT OF ALIPHATIC HYDROCARBON SOLVENT THAT IS SUBSTANTIALLY NON-VOLATILE AT ROOM TEMPERATURE, SAID PARTIALLY POLYMERIZED RESIN BEING MADE BY REACTING A MIXTURE CONSISTING OF 2.75 MOLES OF PHTHALIC ACID ANHYDRIDE, 1 TO 1.5 MOLES OF VEGETABLE OIL FATTY ACID, AND POLYHYDRIC ALCOHOL OF HYDROXYL VALUE SUBSTANTIALLY EQUAL TO THAT OF 3.5 MOLES OF GLYCEROL, AND IN WHICH THE ALCOHOLIC HYDROXY GROUPS ARE THE SOLE REACTIVE GROUPS, SAID RESIN BEING PARTIALLY POLYMERIZED BY SLOW HEATING OF THE SAID INGREDIENTS WITH AGITATION, TAKING APPROXIMATELY ONE HOUR TO REACH 230*C. AND THEN CONTINUING TO HEAT THE SAME APPROXIMATELY AT THAT TEMPERATURE FOR THREE HOURS AND FIFTEEN MINUTES MORE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-27 | 1953-08-29 | 1954-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-27 | 1957-08-29 | 1958-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-27 | 1961-08-29 | 1962-02-28 | $7700.00 | Window Closed / Lapsed |