US2500222A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Curable alkyd resins
Assignee: Armstrong World Industries Inc
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Filing: 1946-10-17
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Granted: 1950-03-14
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Expires: 1966-10-17
Abstract
No abstract record available.
Inventors
- 👤 Harold E Weaver
- 👤 King Ellis Gray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:35
CPC Classifications
C; C08; C08J; C08J11/00; C08J11/04; C08J11/10; C08J11/12; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/16; C08G63/18; C08G63/20; C08G63/52; C08G63/91; C08G63/914; C08G63/916; C08J2367/00; C08J2367/02; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/62
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A PROCESS OF PREPARING A CURABLE ALKYD RESIN WHICH COMPRISES HEATING A SATURATED POLYESTER CONDENSATION PRODUCT OF A MIXTURE COMPOSED OF A SATURATED DICARBOXYLIC ACID OF THE GROUP CONSISTING OF ADIPIC ACID, SUCCINIC ACID, SUBERIC ACID, SEBACIC ACID, METHYL SUCCINIC ACID, DIMETHYL SUCCINIC ACID, AND B-METHYL ADIPIC ACID; A SATURATED DIHYDRIC ALCOHOL OF THE GROUP CONSISTING OF ETHYLENE GLYCOL, PROPYLENE GLYCOL, BUTYLENE GLYCOL, DIEHTYLENE GLYCOL, AND TRIETHYLENE GLYCOL; AND 0% TO 5% BY WEIGHT OF A MODIFIER OF THE GROUP CONSISTING OF SATURATED MONOCARBOXYLIC ACIDS AND SATURATED MONOHYDRIC ALCOHOLS AT A TEMPERATURE BETWEEN 250*C. AND 300*C. UNTIL SAID POLYESTER EXHIBITS AN IODINE VALUE OF ABOUT 4 TO 10.
Claim 2
Dependent Claim
108 words
A PROCESS OF PREPARING A CURABLE ALKYD RESIN WHICH COMPRISES HEATING A SATURATED POLYESTER CONDENSATION PRODUCT OF A MIXTURE COMPOSED OF A SATURATED DICARBOXYLIC ACID OF THE GROUP CONSISTING OF ADIPIC ACID, SUCCINIC ACID, SUBERIC ACID, SEBACIC ACID, METHYL SUCCINIC ACID, DIMETHYL SUCCINIC ACID, AND B-METHYL ADIPIC ACID; A SATURATED DIHYDRIC ALCOHOL OF THE GROUP CONSISTING OF ETHYLENE GLYCOL, PROPYLENE GLYCOL, BUTYLENE GLYCOL, DIEHTYLENE GLYCOL, AND TRIETHYLENE GLYCOL; AND 0% TO 5% BY WEIGHT OF A MODIFIER OF THE GROUP CONSISTING OF SATURATED MONOCARBOXYLIC ACIDS AND SATURATED MONOHYDRIC ALCOHOLS AT A TEMPERATURE BETWEEN 250*C. AND 300*C. UNTIL SAID POLYESTER EXHIBITS AN IODINE VALUE OF ABOUT 4 TO 10.
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) | 1953-03-13 | 1953-09-12 | 1954-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-13 | 1957-09-12 | 1958-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-13 | 1961-09-12 | 1962-03-14 | $7700.00 | Window Closed / Lapsed |