US2922769A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating compositions and liquid vehicles containing esters of polymerized fatty acids and driers
Assignee: Reichhold Chemicals Inc
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Filing: 1955-02-16
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Granted: 1960-01-26
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Expires: 1975-02-16
Abstract
No abstract record available.
Inventors
- 👤 William P Cody
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:42
CPC Classifications
C; C09; C09D; C09D167/00; C09D167/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
A THIXOTROPIC PIGMENTED COATING COMPOSITION COMPRISING A LIQUID VEHICLE AND PIGMENT, SAID VEHICLE COMPRISING ESSENTIALLY VOLATILE SOLVENT AND A RESINOUS BASE OF OIL-MODIFIED ALKYD RESIN, SAID VEHICLE COMPRISING AS ADDITIVES A SMALL QUANTITY OF A COMBINATION OF MATERIALS WHICH ARE A POLYESTER AND A CALCIUM DRIER SALT OF AN ORGANIC ACID WHICH SALT IS SOLUBLE IN THE VEHICLE, AND WHICH COMBINATION IMPARTS TO THE COMPOSITION INCREASED THIXOTROPIC VISCOSITY, THE POLYESTER HAVING AND ACID NUMBER IN THE RANGE FROM 2 TO 30 AND BEING THE CONDENSATION PRODUCT OF POLYHYDRIC ALCOHOL WITH A POLYMERIZED UNSATURATED 18-CARBON FATTY ACID CONTAINING PREDOMINANTLY THE DIMER OF SAID FATTY ACID, SAID POLYHYDRIC ALCOHOL BEING SELECTED FROM THE GROUP CONSISTING OF ETHYLENE GLYCOL, PROPYLENE GLYCOL AND BUTYLENE GLYCOL, AND MIXTURES CONTAINING A MAJOR PROPORTION OF AT LEAST ONE OF SAID GLYCOLS WITH A MONOR PROPORATION OF TRIMETHYLOLETHANE.
Claim 2
Dependent Claim
140 words
A THIXOTROPIC PIGMENTED COATING COMPOSITION COMPRISING A LIQUID VEHICLE AND PIGMENT, SAID VEHICLE COMPRISING ESSENTIALLY VOLATILE SOLVENT AND A RESINOUS BASE OF OIL-MODIFIED ALKYD RESIN, SAID VEHICLE COMPRISING AS ADDITIVES A SMALL QUANTITY OF A COMBINATION OF MATERIALS WHICH ARE A POLYESTER AND A CALCIUM DRIER SALT OF AN ORGANIC ACID WHICH SALT IS SOLUBLE IN THE VEHICLE, AND WHICH COMBINATION IMPARTS TO THE COMPOSITION INCREASED THIXOTROPIC VISCOSITY, THE POLYESTER HAVING AND ACID NUMBER IN THE RANGE FROM 2 TO 30 AND BEING THE CONDENSATION PRODUCT OF POLYHYDRIC ALCOHOL WITH A POLYMERIZED UNSATURATED 18-CARBON FATTY ACID CONTAINING PREDOMINANTLY THE DIMER OF SAID FATTY ACID, SAID POLYHYDRIC ALCOHOL BEING SELECTED FROM THE GROUP CONSISTING OF ETHYLENE GLYCOL, PROPYLENE GLYCOL AND BUTYLENE GLYCOL, AND MIXTURES CONTAINING A MAJOR PROPORTION OF AT LEAST ONE OF SAID GLYCOLS WITH A MONOR PROPORATION OF TRIMETHYLOLETHANE.
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) | 1963-01-25 | 1963-07-27 | 1964-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-25 | 1967-07-27 | 1968-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-25 | 1971-07-27 | 1972-01-26 | $7700.00 | Window Closed / Lapsed |