US3304345A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid thermosetting resinous mixture stabilized with a sodium salt of a sulfonated di (alkaryl) alkylene compound
Assignee: Monsanto Co
•
Filing: 1963-12-30
•
Granted: 1967-02-14
•
Expires: 1983-12-30
Abstract
No abstract record available.
Inventors
- 👤 Blanc John R Le
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 00:08
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/36; C08K5/41; C08K5/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
AN IMPROVED THERMOSETTING RESIN COMPOSITION CONSISTING OF IN ADMIXTURE A LIQUID THERMOSETTING PHENOLFORMALDEHYDE CONDENSATE AND A THERMOSETTTING CONDENSATE SELECTED FROM THE GROUP CONSISTING OF MALAMIN-FORMALDEHYDE AND SUBSTITUTED MELAMINE-FORMALDEHYDE; THE IMPROVEMENT BEING IN THE ADDITION OF 0.05-0.5 WEIGHT PERCENT OF A STABILIZER WHICH STABILIZER IS THE SODIUM SALT OF A DISULFONATED DI(ALKARYL) ALKYLENE COMPOUND WHEREIN THE ARYL GROUP CONTAINS 1-2 BENZENE RINGS, THE ALKYL PROPORTION OF THE ALKARYL GROUP CONTAINS /-5 CARBON ATOMS AND THE ALKYLENE GROUP CONTAINS 1-5 ATOMS.
Claim 2
Dependent Claim
79 words
AN IMPROVED THERMOSETTING RESIN COMPOSITION CONSISTING OF IN ADMIXTURE A LIQUID THERMOSETTING PHENOLFORMALDEHYDE CONDENSATE AND A THERMOSETTTING CONDENSATE SELECTED FROM THE GROUP CONSISTING OF MALAMIN-FORMALDEHYDE AND SUBSTITUTED MELAMINE-FORMALDEHYDE; THE IMPROVEMENT BEING IN THE ADDITION OF 0.05-0.5 WEIGHT PERCENT OF A STABILIZER WHICH STABILIZER IS THE SODIUM SALT OF A DISULFONATED DI(ALKARYL) ALKYLENE COMPOUND WHEREIN THE ARYL GROUP CONTAINS 1-2 BENZENE RINGS, THE ALKYL PROPORTION OF THE ALKARYL GROUP CONTAINS /-5 CARBON ATOMS AND THE ALKYLENE GROUP CONTAINS 1-5 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) | 1970-02-13 | 1970-08-15 | 1971-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-13 | 1974-08-15 | 1975-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-13 | 1978-08-15 | 1979-02-14 | $7700.00 | Window Closed / Lapsed |