Patent US3110690A successfully refreshed from Google Patents.
US3110690A
Expired / Lapsed
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Bivalent metal hydroxide treatment of drying oil modified alkyd resins
Assignee: Sherwin Williams Co
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Filing: 1956-06-11
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Granted: 1963-11-12
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Expires: 1976-06-11
Abstract
No abstract record available.
Inventors
- 👤 Lawrence W Friedsam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:57
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/91; C08G63/914; C09; C09D; C09D167/00; C09D167/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A METHOD OF IMPROVING THE QUALITY OF A DRYING OIL MODIFIED ALKYD RESIN CONTAINING A STOICHIOMETRIC EXCESS OF HYDROXYL GROUPS OVER CARBOXYL GROUPS, AN ACID VALUE IN EXCESS OF 10 BUT NOT IN EXCESS OF 50 AND A CURE VALUE IN EXCESS OF ZERO IN SOLUTION IN A VOLATILE ORGANIC SOLVENT WHICH COMPRISES ADDING TO SAID RESINOUS SOLUTION A QUANTITY OF AN INORGANIC HYDROXIDE-FORMING BASICALLY-REACTIVE BIVALENT METAL ION SOURCE AVAILABLE IN SAID SOLUTION AN SUFFICIENT TO NEUTRALIZE AT LEAST IN PART SAID ACID VALUE AND HEATING SAID COMBINATION AT A TEMPERATURE OF FROM 125* TO 350*F. UNTIL THE ACID VALUE AND THE CURE VALUE HAVE BEEN REDUCED TO FORM A STABLE LIQUID PRODUCT.
Claim 2
Independent Claim
113 words
A METHOD OF IMPROVING THE QUALITY OF A DRYING OIL MODIFIED ALKYD RESIN CONTAINING A STOICHIOMETRIC EXCESS OF HYDROXYL GROUPS OVER CARBOXYL GROUPS, AN ACID VALUE IN EXCESS OF 10 BUT NOT IN EXCESS OF 50 AND A CURE VALUE IN EXCESS OF ZERO IN SOLUTION IN A VOLATILE ORGANIC SOLVENT WHICH COMPRISES ADDING TO SAID RESINOUS SOLUTION A QUANTITY OF AN INORGANIC HYDROXIDE-FORMING BASICALLY-REACTIVE BIVALENT METAL ION SOURCE AVAILABLE IN SAID SOLUTION AN SUFFICIENT TO NEUTRALIZE AT LEAST IN PART SAID ACID VALUE AND HEATING SAID COMBINATION AT A TEMPERATURE OF FROM 125* TO 350*F. UNTIL THE ACID VALUE AND THE CURE VALUE HAVE BEEN REDUCED TO FORM A STABLE LIQUID PRODUCT.
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) | 1966-11-11 | 1967-05-13 | 1967-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-11 | 1971-05-13 | 1971-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-11 | 1975-05-13 | 1975-11-12 | $7700.00 | Window Closed / Lapsed |