US3074903A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminates
Assignee: Monsanto Chemicals Ltd
•
Filing: 1959-06-16
•
Granted: 1963-01-22
•
Expires: 1979-06-16
Abstract
No abstract record available.
Inventors
- 👤 John K Fincke
- 👤 Louis M Higashi
- 👤 Reino A Jarvi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:36
CPC Classifications
C; C08; C08G; C08G8/00; C08G8/28; C08G77/00; C08G77/42; Y; Y10; Y10S; Y10S60/00; Y10S60/909
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A METHOD FOR PREPARING A CO-CONDENSATION PRODUCT WHICH CONSISTS ESSENTIALLY OF HEATING A SUBSTANTIALLY ANHYDROUS MIXTURE OF ABOUT 5-20% OF A METHOXYSILICONE COMPOUND AND, CORRESPONDINGLY, ABOUT 95-80% OF A PHENOLFORMALDEHYDE RESIN TO REFLUX TEMPERATURE AND REMOVING THE METHANOL LIBERATED IN THE REACTION; SAID METHOXYSILICONE COMPOUND BEING SELECTED FROM THE GROUP CONSISTING OF (A) AT LEAST ONE METHOXYSILANE OF THE FORMULA:
Claim 2
Independent Claim
60 words
A METHOD FOR PREPARING A CO-CONDENSATION PRODUCT WHICH CONSISTS ESSENTIALLY OF HEATING A SUBSTANTIALLY ANHYDROUS MIXTURE OF ABOUT 5-20% OF A METHOXYSILICONE COMPOUND AND, CORRESPONDINGLY, ABOUT 95-80% OF A PHENOLFORMALDEHYDE RESIN TO REFLUX TEMPERATURE AND REMOVING THE METHANOL LIBERATED IN THE REACTION; 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) | 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 |