US3074904A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminate structures
Assignee: Monsanto Chemicals Ltd
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Filing: 1959-06-18
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Granted: 1963-01-22
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Expires: 1979-06-18
Abstract
No abstract record available.
Inventors
- 👤 Louis M Higashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:47
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/42; C08G77/46; B; B32; B32B; B32B27/00; C08G8/00; C08G8/28; C08L; C08L63/00
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) ABOUT 50-96% OF A PHENOL-FORMALDEHYDE 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) ABOUT 50-96% OF A PHENOL-FORMALDEHYDE 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)
US2687396A
Cited
US2810676A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |