Patent US2735825A successfully refreshed from Google Patents.
US2735825A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silicone-alkyd coating composition
Assignee: —
•
Filing: —
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Granted: 1956-02-21
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Expires: 1973-02-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:02
CPC Classifications
C; C09; C09D; C09D167/00; C09D167/08; C08; C08G; C08G77/00; C08G77/42; C08G77/445; C09D183/00; C09D183/04; C09D183/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A COATING COMPOSITION THAT PRODUCES COATINGS OF SUPERIOR WEATHER AND CHEMICAL RESISTANCE, COMPRISING AN ALIPHATIC HYDROCARBON SOLUTION OF THE PRODUCT OF THE HEATCONDENSATION OF (1) AN OIL-MODIFIEDALKYD RESIN WITH (2) A COMPLETELY HYDROLYZED ACIDIC SILOXANOL HAVING A MOLECULAR WEIGHT BELOW 4500, AN ACID NUMBER ABOVE 5 AND CONTAINING ALKYL AN ARYL GROUPS DIRECTLY ATTACHED TO DIFFERENT SILICAON ATOMS, SAID SILOXANOL CONTAINING FROM TWO TO THREE ALKYLK AND ARYL GROUPS FOR EVERY TWO SILICON ATOMS, AND CONTAINING FROM ONE TO TWENTY-EIGHT ALKYL GROUPS FOR EVERY EIGHT ARYL GROUPS, AND THE WEIGHT OF SAID SILOXANOL, ON A FULLY CONDENSER BASIS, CONSTITUTING FROM 15 TO 50 PER CENT OF SAID CONDENSATION PRODUCT.
Claim 2
Dependent Claim
109 words
A COATING COMPOSITION THAT PRODUCES COATINGS OF SUPERIOR WEATHER AND CHEMICAL RESISTANCE, COMPRISING AN ALIPHATIC HYDROCARBON SOLUTION OF THE PRODUCT OF THE HEATCONDENSATION OF (1) AN OIL-MODIFIEDALKYD RESIN WITH (2) A COMPLETELY HYDROLYZED ACIDIC SILOXANOL HAVING A MOLECULAR WEIGHT BELOW 4500, AN ACID NUMBER ABOVE 5 AND CONTAINING ALKYL AN ARYL GROUPS DIRECTLY ATTACHED TO DIFFERENT SILICAON ATOMS, SAID SILOXANOL CONTAINING FROM TWO TO THREE ALKYLK AND ARYL GROUPS FOR EVERY TWO SILICON ATOMS, AND CONTAINING FROM ONE TO TWENTY-EIGHT ALKYL GROUPS FOR EVERY EIGHT ARYL GROUPS, AND THE WEIGHT OF SAID SILOXANOL, ON A FULLY CONDENSER BASIS, CONSTITUTING FROM 15 TO 50 PER CENT OF SAID CONDENSATION 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) | 1959-02-20 | 1959-08-22 | 1960-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-20 | 1963-08-22 | 1964-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-20 | 1967-08-22 | 1968-02-21 | $7700.00 | Window Closed / Lapsed |