US3025251A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resinous coating composition
Assignee: Wyeth Holdings LLC
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Filing: 1959-08-10
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Granted: 1962-03-13
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Expires: 1979-08-10
Abstract
No abstract record available.
Inventors
- 👤 Jr Ralph Earl Layman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:57
CPC Classifications
C; C09; C09D; C09D161/00; C09D161/20; C09D161/32; C09D155/00; C09D155/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A COMPOSITION OF MATTER COMPRISING A MIXTURE OF (A) FROM ABOUT 10% TO ABOUT 50% BY WEIGHT OF A WATER DISPERSIBLE POLYMETHYL ETHER OF POLYMETHYOL MELAMINE AND (B) CORRESPONDINGLY FROM ABOUT 90% TO 50% BY WEIGHT OF AN AMMONIATED SALT OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF (1) A DIMER OF UNSATURATED FATTY ACID HAVING FROM 14 TO 24 CABON ATOMS AND (2) AN ADDITION REACTION PRODUCT OF A POLYMERIZABLE STYRENE AND AN UNSATURATED FATTY ACID HAVING FROM 14 TO 24 CARBON ATOMS.
Claim 2
Dependent Claim
85 words
A COMPOSITION OF MATTER COMPRISING A MIXTURE OF (A) FROM ABOUT 10% TO ABOUT 50% BY WEIGHT OF A WATER DISPERSIBLE POLYMETHYL ETHER OF POLYMETHYOL MELAMINE AND (B) CORRESPONDINGLY FROM ABOUT 90% TO 50% BY WEIGHT OF AN AMMONIATED SALT OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF (1) A DIMER OF UNSATURATED FATTY ACID HAVING FROM 14 TO 24 CABON ATOMS AND (2) AN ADDITION REACTION PRODUCT OF A POLYMERIZABLE STYRENE AND AN UNSATURATED FATTY ACID HAVING FROM 14 TO 24 CARBON ATOMS.
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) | 1965-03-12 | 1965-09-11 | 1966-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-12 | 1969-09-11 | 1970-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-12 | 1973-09-11 | 1974-03-13 | $7700.00 | Window Closed / Lapsed |