US3678008A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermosettable aromatic amine formaldehyde resin compositions modified with an aromatic polycarboxylic compound
Assignee: Monsanto Co
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Filing: 1970-09-23
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Granted: 1972-07-18
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Expires: 1990-09-23
Abstract
Abstract THERMOSETTABLE POLYMERIC COMPOSITIONS INCORPORATING AN AROMATIC AMINE FORMALDEHYDE RESIN AND AN AROMATIC POLYCARBOXYLIC COMPOUND. WHEN THERMOSET BY HEAT, THESE COMPOSITIONS DISPLAY IMPROVED THERMAL STABILITY. BECAUSE OF THEIR SOLVENT SOLUBILITY CHARACTERISTICS, THESE COMPOSITIONS ARE USEFUL FOR PREPARING VARNISHES. THEY ARE ALSO USEFUL IN MOLDING POWDERS.
Inventors
- 👤 Rodney M Huck
- 👤 John R Le Blanc
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:16
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/15; C08K5/151; C08K5/1535; C08K5/1539; C03; C03C; C03C25/00; C03C25/10; C03C25/24; C03C25/26; C03C25/32; C03C25/34; C08L; C08L61/00; C08L61/20; C08L61/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-07-18 | 1976-01-17 | 1976-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-18 | 1980-01-17 | 1980-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-18 | 1984-01-17 | 1984-07-18 | $7700.00 | Window Closed / Lapsed |