US2629703A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resinous composition comprising phenol-aldehyde and ketone-aldehyde condensation products
Assignee: Hexion Inc
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Filing: 1948-06-02
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Granted: 1953-02-24
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Expires: 1968-06-02
Abstract
No abstract record available.
Inventors
- 👤 Vogelsang George Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:21
CPC Classifications
C; C08; C08L; C08L61/00; C08L61/34; C08L61/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
RESINOIDS COMPRISING A MIXTURE OF A KETONEALDEHYDE AND A POTENTIALLY REACTIVE PHENOL-ALDEHYDE CONDENSATION PRODUCT, SAID KETONE-ALDEHYDE CONDENSATION PRODUCT BEING PRESENT TO THE EXTENT OF BETWEEN 50% AND 95% ON THE COMBINED WEIGHTS OF SAID CONDENSATION PRODUCTS AND SELECTED FROM THE CLASS CONSISTING OF FUSIBLE, SOLUBLE, LOW MOLECULAR WEIGHT SUBSTANTIALLY NON-VOLATILE CONDENSATION PRODUCTS CAPABLE OF YIELDING DISTILLATE AND CRYSTALLIZABLE ACETYLATION PRODUCTS CAPABLE OF CONDENSATION IN THE PRESENCE OF SODIUM HYDROXIDE TO YIELD, IMMEDIATELY OR UPON HEATING, A HIGH MOLECULAR WEIGHT INSOLUBLE AND INFUSIBLE MATERIAL AND PRODUCED BY REACTING A KETONE HAVING THE GENERAL FORMULA CH3-CO-R'', WHEREIN R'' REPRESENTS AN UNSUBSTITUTED ALIPHATIC RADICAL HAVING FROM ONE TO FOUR CARBON ATOMS, WITH AN ALDEHYDE HAVING THE GENERAL FORMULA R''''-CHO, WHEREIN R'''' REPRESENTS A MEMBER SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND UNSUBSTITUTED ALIPHATIC RADICALS HAVING FROM ONE TO FOUR CARBON ATOMS.
Claim 2
Dependent Claim
139 words
RESINOIDS COMPRISING A MIXTURE OF A KETONEALDEHYDE AND A POTENTIALLY REACTIVE PHENOL-ALDEHYDE CONDENSATION PRODUCT, SAID KETONE-ALDEHYDE CONDENSATION PRODUCT BEING PRESENT TO THE EXTENT OF BETWEEN 50% AND 95% ON THE COMBINED WEIGHTS OF SAID CONDENSATION PRODUCTS AND SELECTED FROM THE CLASS CONSISTING OF FUSIBLE, SOLUBLE, LOW MOLECULAR WEIGHT SUBSTANTIALLY NON-VOLATILE CONDENSATION PRODUCTS CAPABLE OF YIELDING DISTILLATE AND CRYSTALLIZABLE ACETYLATION PRODUCTS CAPABLE OF CONDENSATION IN THE PRESENCE OF SODIUM HYDROXIDE TO YIELD, IMMEDIATELY OR UPON HEATING, A HIGH MOLECULAR WEIGHT INSOLUBLE AND INFUSIBLE MATERIAL AND PRODUCED BY REACTING A KETONE HAVING THE GENERAL FORMULA CH3-CO-R'', WHEREIN R'' REPRESENTS AN UNSUBSTITUTED ALIPHATIC RADICAL HAVING FROM ONE TO FOUR CARBON ATOMS, WITH AN ALDEHYDE HAVING THE GENERAL FORMULA R''''-CHO, WHEREIN R'''' REPRESENTS A MEMBER SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND UNSUBSTITUTED ALIPHATIC RADICALS HAVING FROM ONE TO FOUR CARBON 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) | 1956-02-24 | 1956-08-25 | 1957-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-24 | 1960-08-25 | 1961-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-24 | 1964-08-25 | 1965-02-24 | $7700.00 | Window Closed / Lapsed |