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US2417014A
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Acidic solution of a partially polymerized melamine formaldehyde condensation productin an aqueous aliphatic polyhydric alcohol solvent
Assignee: Wyeth Holdings LLC
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Filing: 1943-12-30
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Granted: 1947-03-04
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Expires: 1963-12-30
Abstract
No abstract record available.
Inventors
- 👤 John D Pollard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:42
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/02; C08J7/00; C08J7/04; C08J7/0427; D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/423; D06M15/53; D21; D21H; D21H19/00; D21H19/36; D21H19/44; D21H19/56; C08J2301/00; C08J2301/08; C08J2301/16; C08J2301/18; C08J2461/00; C08J2461/20; C08J2461/26; C08J2461/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2197357A
Cited
US2345543A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-03-03 | 1950-09-02 | 1951-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-03-03 | 1954-09-02 | 1955-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-03-03 | 1958-09-02 | 1959-03-04 | $7700.00 | Window Closed / Lapsed |