US3381054A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermosetting mixture of a melamine-formaldehyde condensate and an interpolymer of astyrene monomer and a maleic monomer
Assignee: Monsanto Co
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Filing: 1964-01-02
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Granted: 1968-04-30
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Expires: 1984-01-02
Abstract
No abstract record available.
Inventors
- 👤 Blanc John R Le
- 👤 Frank S O'connell
- 👤 Stuart H Rider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:38
CPC Classifications
C; C08; C08L; C08L35/00; C08L35/06; C08L61/00; C08L61/20; C08L61/34; Y; Y10; Y10T; Y10T442/00; Y10T442/60; Y10T442/69; Y10T442/691
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A THERMOSETTING RESIN COMPOSITION COMPRISING IN ADMIXTURE OF (A) 75-25 WEIGHT PERCENT OF A THERMOSETTING REACTION PRODUCT SELECTED FROM THE GROUP CONSISTING OF MELAMINOFORMALDEHYDE, DERIVATIVES OF MELAMINEFORMALDEHYDE AND MIXTURES THEREOF WITH PHENOL FORMALDEHYDE AND (B) CORRESPONDINGLY, 25-75 WEIGHT PERCENT OF AN INTERPOLYMER WHICH IS THE POLYMERIZATION REACTION PRODUCT OF A STYRENE MONOMER, A MALEIC MONOMER, AND A MONOMER OF THE FORMULA:
Claim 2
Dependent Claim
61 words
A THERMOSETTING RESIN COMPOSITION COMPRISING IN ADMIXTURE OF (A) 75-25 WEIGHT PERCENT OF A THERMOSETTING REACTION PRODUCT SELECTED FROM THE GROUP CONSISTING OF MELAMINOFORMALDEHYDE, DERIVATIVES OF MELAMINEFORMALDEHYDE AND MIXTURES THEREOF WITH PHENOL FORMALDEHYDE AND (B) CORRESPONDINGLY, 25-75 WEIGHT PERCENT OF AN INTERPOLYMER WHICH IS THE POLYMERIZATION REACTION PRODUCT OF A STYRENE MONOMER, A MALEIC MONOMER, AND A MONOMER OF THE FORMULA:
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) | 1971-04-30 | 1971-10-30 | 1972-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-30 | 1975-10-30 | 1976-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-30 | 1979-10-30 | 1980-04-30 | $7700.00 | Window Closed / Lapsed |