US3756980A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High temperature stable modified phenolic molding powders
Assignee: Monsanto Co
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Filing: 1971-01-25
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Granted: 1973-09-04
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Expires: 1991-01-25
Abstract
Abstract THERMOSETTABLE MOLDING POWDERS OF AMINE-MODIFIED NOVOLAC RESIN AND AROMATIC POLYCARBOXYLIC COMPOUND WHICH HAVE BEEN PROCESSED WITH HEAT IN A SHEAR FIELD TO REDUCE THE VOLATILES CONTENT TO LESS THAN 2 WEIGHT PERCENT. THE PRODUCT MOLDING POWDER DISPLAYS LITTLE OR NO TENDENCY TO BLISTER, SWELL, OR DISTORT DURING MOLDING AND POSTCURING.
Inventors
- 👤 R Huck
- 👤 Blanc J Le
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:28
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/09; C08K5/092
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) | 1976-09-03 | 1977-03-05 | 1977-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-03 | 1981-03-05 | 1981-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-03 | 1985-03-05 | 1985-09-04 | $7700.00 | Window Closed / Lapsed |