US2812266A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for dispersing aluminum rosinate
Assignee: Purdue Research Foundation
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Filing: 1954-12-20
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Granted: 1957-11-05
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Expires: 1974-12-20
Abstract
No abstract record available.
Inventors
- 👤 Golding Brage
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 00:52
CPC Classifications
C; C09; C09D; C09D7/00; C09D7/80
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
THE PROCESS FOR EFFECTING THE COMPLETE DISPERSION OF A FLATTING PIGMENT IN AN ORGANIC COATING MATERIAL OF THE CLASS CONSISTING OF VARNISHES AND LACQUERS, WHICH COMPRISES EXTRACTING A FRESHLY PREPARED AQUEOUS SLURRY OF AN ALUMINUM SALT OF A RESIN SELECTED FROM THE CLASS CONSISTING OF ROSIN, HYDROGENATED ROSIN AND DEHYDROGENATED ROSIN WITH A SUBSTANTIALLY WATER-IMMISCIBLE ORGANIC SOLVENT CAPABLE OF FORMING A GELLABLE SOLUTION WITH THE SAID ALUMINUM SALT, DEHYDRATING THE EXTRACT WITH AN INERT SOLID CHEMICAL DEHYDRATING MATERIAL, PREPARING A SUBSTANTIALLY UNIFORM MIXTURE OF THE DEHYDRATED EXTRACT WITH A COATING MATERIAL OF THE CLASS CONSISTING OF VARNISHES AND LACQUERS, AND PERMITTING THE MIXTURE TO STAND AT ROOM TEMPERATURE, THUS PRECIPATING THE ALUMINUM RESINATE FROM THE RESULTING MIXTURE TO DISPERSE THE SAID ALUMINUM RESINATE THEREIN IN UNIFORM FINELY DIVIDED STATE.
Claim 2
Dependent Claim
129 words
THE PROCESS FOR EFFECTING THE COMPLETE DISPERSION OF A FLATTING PIGMENT IN AN ORGANIC COATING MATERIAL OF THE CLASS CONSISTING OF VARNISHES AND LACQUERS, WHICH COMPRISES EXTRACTING A FRESHLY PREPARED AQUEOUS SLURRY OF AN ALUMINUM SALT OF A RESIN SELECTED FROM THE CLASS CONSISTING OF ROSIN, HYDROGENATED ROSIN AND DEHYDROGENATED ROSIN WITH A SUBSTANTIALLY WATER-IMMISCIBLE ORGANIC SOLVENT CAPABLE OF FORMING A GELLABLE SOLUTION WITH THE SAID ALUMINUM SALT, DEHYDRATING THE EXTRACT WITH AN INERT SOLID CHEMICAL DEHYDRATING MATERIAL, PREPARING A SUBSTANTIALLY UNIFORM MIXTURE OF THE DEHYDRATED EXTRACT WITH A COATING MATERIAL OF THE CLASS CONSISTING OF VARNISHES AND LACQUERS, AND PERMITTING THE MIXTURE TO STAND AT ROOM TEMPERATURE, THUS PRECIPATING THE ALUMINUM RESINATE FROM THE RESULTING MIXTURE TO DISPERSE THE SAID ALUMINUM RESINATE THEREIN IN UNIFORM FINELY DIVIDED STATE.
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) | 1960-11-04 | 1961-05-06 | 1961-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-04 | 1965-05-06 | 1965-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-04 | 1969-05-06 | 1969-11-05 | $7700.00 | Window Closed / Lapsed |