Patent US3205192A successfully refreshed from Google Patents.
US3205192A
Expired / Lapsed
US
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Particulate filled coating composition of hydroxyl polyester cured with pyromellitic acid and a anhydride
Assignee: General Electric Co
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Filing: 1961-08-14
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Granted: 1965-09-07
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Expires: 1981-08-14
Abstract
No abstract record available.
Inventors
- 👤 Costel D Denson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:31
CPC Classifications
B; B05; B05D; B05D1/00; B05D1/18; B05D1/22; B05D1/24; C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/42; C08G18/4205; C08G18/4208; C08G18/4211; C08G18/4219; C08G63/00; C08G63/02; C08G63/12; C08G63/16; C08G63/20; C08K; C08K3/00; C08K3/01; C08K3/013; C09; C09D; C09D167/00; C08K2201/00; C08K2201/002; C08K2201/006; C08K3/34; C08K3/36; C08K5/00; C08K5/04; C08K5/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
A RESINOUS COMPOSITION COMPRISING (I) 100 PARTS, BY WEIGHT, OF A COMPOSITION COMPRISING THE CURABLE HEAT REACTION PRODUCT OF (A) FROM ABOUT 25 TO 56 EQUIVALENT PERCENT OF A MATERIAL SELECTED FROM THE CLASS CONSISTING OF ISOPHTHALIC ACID, TEREPHTHALIC ACID, LOWER DIALKYL ESTER OF ISOPHTHALIC ACID, LOWER DIALKYL ESTER OF TEREPHTHALIC ACID AND MIXTURES THEREOF, (B) FROM ABOUT 15 TO 46 EQUIVALENT PERCENT OF ALIPHATIC DIOL, AND (C) FROM 13 TO 44 EQUIVALENT PERCENT OF SATURATED ALIPHATIC POLYHYDRIC ALCOHOL HAVING AT LEAST THREE HYDROXYL GROUPS, (II) AN AMOUNT UP TO ABOUT 90 PARTS, BY WEIGHT, OF A FINELY DIVIDED FILLER HAVING A SURFACE TO VOLUME RATI RANGING FROM ABOUT 100 TO 500 SQUARE METERS PER CUBIC CENTIMETER, AND (III) FROM 8 TO 14 PARTS, BY WEIGHT, OF A MIXTURE OF PYROMELLITIC, ACID AND PYROMELLITIC DIANHYDRIDE IN WHICH THE RATIO OF PYROMELLITIC ACID TO PYROMELLITIC DIANHYDRIDE RANGES FROM ABOUT 4 TO 1.
Claim 2
Dependent Claim
151 words
A RESINOUS COMPOSITION COMPRISING (I) 100 PARTS, BY WEIGHT, OF A COMPOSITION COMPRISING THE CURABLE HEAT REACTION PRODUCT OF (A) FROM ABOUT 25 TO 56 EQUIVALENT PERCENT OF A MATERIAL SELECTED FROM THE CLASS CONSISTING OF ISOPHTHALIC ACID, TEREPHTHALIC ACID, LOWER DIALKYL ESTER OF ISOPHTHALIC ACID, LOWER DIALKYL ESTER OF TEREPHTHALIC ACID AND MIXTURES THEREOF, (B) FROM ABOUT 15 TO 46 EQUIVALENT PERCENT OF ALIPHATIC DIOL, AND (C) FROM 13 TO 44 EQUIVALENT PERCENT OF SATURATED ALIPHATIC POLYHYDRIC ALCOHOL HAVING AT LEAST THREE HYDROXYL GROUPS, (II) AN AMOUNT UP TO ABOUT 90 PARTS, BY WEIGHT, OF A FINELY DIVIDED FILLER HAVING A SURFACE TO VOLUME RATI RANGING FROM ABOUT 100 TO 500 SQUARE METERS PER CUBIC CENTIMETER, AND (III) FROM 8 TO 14 PARTS, BY WEIGHT, OF A MIXTURE OF PYROMELLITIC, ACID AND PYROMELLITIC DIANHYDRIDE IN WHICH THE RATIO OF PYROMELLITIC ACID TO PYROMELLITIC DIANHYDRIDE RANGES FROM ABOUT 4 TO 1.
References Cited (Backward Citations)
US2936296A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |