US3217065A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminated structures
Assignee: Monsanto Co
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Filing: 1960-12-16
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Granted: 1965-11-09
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Expires: 1980-12-16
Abstract
No abstract record available.
Inventors
- 👤 Louis M Higashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:15
CPC Classifications
C; C08; C08G; C08G8/00; C08G8/28; B; B32; B32B; B32B27/00; C08G77/00; C08G77/42; C08J; C08J5/00; C08J5/04; C08J5/06; C08J5/08; C08L; C08L63/00; C08J2361/00; C08J2361/04; C08J2361/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A METHOD FOR PREPARING A CO-CONDENSATION PRODUCT WHICH CONSISTS ESSENTIALLY OF HEATING A SUBSTANTIALLY ANHYDROUS MIXTURE OF (A) ABOUT 2-30% OF A METHOXYSILICONE COMPOUND, (B) BOUT 50-96% OF A PHENOLFORMALDEHYDE RESIN, AND (C) ABOUT 2-20% OF A GLYCIDYL POLYETHER OF BISPHENOL-A TO REFLUX TEMPERATURE UNDER REDUCED PRESSURE AND REMOVING THE METHANOL LIBERATED IN THE REACTION; THE SUM OF (A), (B) AND (C) TOTALING 100%; SAID METHOXYSILICONE COMPOUND BEING SELECTED FROM THE GROUP CONSISTING OF (A) AT LEAST ONE METHOXYSILANE OF THE FORMULA:
Claim 2
Independent Claim
82 words
A METHOD FOR PREPARING A CO-CONDENSATION PRODUCT WHICH CONSISTS ESSENTIALLY OF HEATING A SUBSTANTIALLY ANHYDROUS MIXTURE OF (A) ABOUT 2-30% OF A METHOXYSILICONE COMPOUND, (B) BOUT 50-96% OF A PHENOLFORMALDEHYDE RESIN, AND (C) ABOUT 2-20% OF A GLYCIDYL POLYETHER OF BISPHENOL-A TO REFLUX TEMPERATURE UNDER REDUCED PRESSURE AND REMOVING THE METHANOL LIBERATED IN THE REACTION; THE SUM OF (A), (B) AND (C) TOTALING 100%; SAID METHOXYSILICONE COMPOUND BEING SELECTED FROM THE GROUP CONSISTING OF (A) AT LEAST ONE METHOXYSILANE 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) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |