US2544636A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-density, free-flowing pigment bases
Assignee: Egyptian Lacquer Manuf Co
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Filing: 1948-11-29
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Granted: 1951-03-06
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Expires: 1968-11-29
Abstract
No abstract record available.
Inventors
- 👤 Peck Dwight Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:55
CPC Classifications
C; C09; C09B; C09B67/00; C09B67/006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A PROCESS FOR PRODUCING A DENSE, FREE-FLOWING PIGMENTED BASE SUITABLE FOR USE IN THE PRODUCTION OF PAINTS, ENAMELS, LACQUERS AND RELATED FINISHES, WHICH COMPRISES MIXING TOGETHER IN A LOW-POWERED MIXING MILL A DOUGH-LIKE MIXTURE OF A PIGMENT AND A SOLVENT-AND RESIN-CONTAINING VEHICLE, SAID VEHICLE CONTAINING INSUFFICIENT SOLVENT TO IMPART FLUIDITY TO SAID MIXTURE BUT CONTAINING SUFFICIENT RESIN TO PROVIDE 2 TO 8% RESIN BASED ON THE WEIGHT OF THE ENTIRE MIXTURE, AND CONTINUING THE MIXING UNTIL THE MIXTURE IS REDUCED TO A FREE-FLOWING UNIFORM FLUID SUSPENSION.
Claim 2
Dependent Claim
86 words
A PROCESS FOR PRODUCING A DENSE, FREE-FLOWING PIGMENTED BASE SUITABLE FOR USE IN THE PRODUCTION OF PAINTS, ENAMELS, LACQUERS AND RELATED FINISHES, WHICH COMPRISES MIXING TOGETHER IN A LOW-POWERED MIXING MILL A DOUGH-LIKE MIXTURE OF A PIGMENT AND A SOLVENT-AND RESIN-CONTAINING VEHICLE, SAID VEHICLE CONTAINING INSUFFICIENT SOLVENT TO IMPART FLUIDITY TO SAID MIXTURE BUT CONTAINING SUFFICIENT RESIN TO PROVIDE 2 TO 8% RESIN BASED ON THE WEIGHT OF THE ENTIRE MIXTURE, AND CONTINUING THE MIXING UNTIL THE MIXTURE IS REDUCED TO A FREE-FLOWING UNIFORM FLUID SUSPENSION.
References Cited (Backward Citations)
US2232426A
Cited
US2280135A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-05 | 1954-09-04 | 1955-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-05 | 1958-09-04 | 1959-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-05 | 1962-09-04 | 1963-03-06 | $7700.00 | Window Closed / Lapsed |