US2730453A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pigment peptizing agent and process
Assignee: Godfrey L Cabot Inc
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Filing: 1951-06-29
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Granted: 1956-01-10
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Expires: 1971-06-29
Abstract
No abstract record available.
Inventors
- 👤 Merrill E Jordan
- 👤 Harvey M Cole
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:41
CPC Classifications
C; C10; C10C; C10C3/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
74 words
A COMPOSITION OF MATTER CHARACTERIZED BY ITS HIGH PEPTIZING EFFECT UPON PIGMENTS IN WAX CONTAINING VEHICLES COMPRISING AN ASPHALTIC FRACTION INSOLUBLE IN SOLVENTS HAVING AN INTERNAL PRESSURE OF ABOUT 3.2 AND LESS AND SOLUBLE IN SOLVENTS HAVING AN INTERNAL PRESSURE OF ABOUT 3.6, INTERNAL PRESSURE BEING EQUAL TO. BV-1/3 IN WHICH B IS THE SURFACE TENSION AND V IS THE MOLECULAR VOLUME OF THE SOLVENT, SAID COMPOSITION BEING SUBSTANTIALLY FREE OF OTHER ASPHALTIC FRACTIONS.
Claim 2
Dependent Claim
74 words
A COMPOSITION OF MATTER CHARACTERIZED BY ITS HIGH PEPTIZING EFFECT UPON PIGMENTS IN WAX CONTAINING VEHICLES COMPRISING AN ASPHALTIC FRACTION INSOLUBLE IN SOLVENTS HAVING AN INTERNAL PRESSURE OF ABOUT 3.2 AND LESS AND SOLUBLE IN SOLVENTS HAVING AN INTERNAL PRESSURE OF ABOUT 3.6, INTERNAL PRESSURE BEING EQUAL TO. BV-1/3 IN WHICH B IS THE SURFACE TENSION AND V IS THE MOLECULAR VOLUME OF THE SOLVENT, SAID COMPOSITION BEING SUBSTANTIALLY FREE OF OTHER ASPHALTIC FRACTIONS.
Claim 3
Dependent Claim
101 words
A PROCESS FOR PRODUCING AN AGENT OF HIGH PEPTIZING POTENCY WHICH COMPRISES THE STEPS OF DISSOLVING THE SOLUBLE PORTION OF AN ASPHALT IN A SOLVENT HAVING AN INTERNAL PRESSURE OF ABOUT 3.2, RECOVERING THE INSOLUBLE PORTION THEREFROM, DISSOLVING THE SOLUBLE PORTION OF SAID FIRST INSOLUBLE PORTION IN A SOLVENT HAVING AN INTERNAL PRESSURE ABOVE ABOUT 3.2 AND NO GREATER THAN ABOUT 3.6, THE INTERNAL PRESSURE BEING EQUAL TO BV-1/3 IN WHICH B IS THE SURFACE TENSION AND V IS THE MOLECULAR VOLUME OF THE SOLVENT, SEPARATING THE RESULTING SOLUTION FROM UNDISSOLVED SOLID MATTER AND RECOVERING THE PEPTIZING AGENT FROM THE SOLUTION.
Claim 4
Dependent Claim
101 words
A PROCESS FOR PRODUCING AN AGENT OF HIGH PEPTIZING POTENCY WHICH COMPRISES THE STEPS OF DISSOLVING THE SOLUBLE PORTION OF AN ASPHALT IN A SOLVENT HAVING AN INTERNAL PRESSURE OF ABOUT 3.2, RECOVERING THE INSOLUBLE PORTION THEREFROM, DISSOLVING THE SOLUBLE PORTION OF SAID FIRST INSOLUBLE PORTION IN A SOLVENT HAVING AN INTERNAL PRESSURE ABOVE ABOUT 3.2 AND NO GREATER THAN ABOUT 3.6, THE INTERNAL PRESSURE BEING EQUAL TO BV-1/3 IN WHICH B IS THE SURFACE TENSION AND V IS THE MOLECULAR VOLUME OF THE SOLVENT, SEPARATING THE RESULTING SOLUTION FROM UNDISSOLVED SOLID MATTER AND RECOVERING THE PEPTIZING AGENT FROM THE SOLUTION.
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) | 1959-01-09 | 1959-07-11 | 1960-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-09 | 1963-07-11 | 1964-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-09 | 1967-07-11 | 1968-01-10 | $7700.00 | Window Closed / Lapsed |