US3063959A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aldol condensation product-phenol aldehyde condensation product and method for making same
Assignee: Hoechst AG
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Filing: 1960-01-06
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Granted: 1962-11-13
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Expires: 1980-01-06
Abstract
No abstract record available.
Inventors
- 👤 Lorentz Guido Max Rudolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:04
CPC Classifications
C; C08; C08L; C08L61/00; C08L61/34; C08G; C08G8/00; C08G8/04; C08G8/06; C08G8/28; C08G8/30; C08L61/02; C08L61/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A METHOD OF MAKING A RESIN, WHICH RESIN IS HARDENABLE IN THE PRESENCE OF AN ACID CATALYST TO A CHEMICALLY INERT COMPOSITION, WHICH COMPRISING CONDENSING AT A PH BETWEEN 4 AND 9 (A) AT LEAST ONE ALDOL CONDENSATION PRODUCT OF A FURFURAL AND AN ALDEHYDE HAVING 2 TO 12 CARBON ATOMS WITH (B) AT LEAST ONE CONDENSATION PRODUCT OF A COMPOUNDS HAVING AT LEAST ONE AROMATIC -OH GROUP AND AT LEAST ONE ALDEHYDE HAVING UP TO 10 CARBON ATOMS.
Claim 2
Independent Claim
79 words
A METHOD OF MAKING A RESIN, WHICH RESIN IS HARDENABLE IN THE PRESENCE OF AN ACID CATALYST TO A CHEMICALLY INERT COMPOSITION, WHICH COMPRISING CONDENSING AT A PH BETWEEN 4 AND 9 (A) AT LEAST ONE ALDOL CONDENSATION PRODUCT OF A FURFURAL AND AN ALDEHYDE HAVING 2 TO 12 CARBON ATOMS WITH (B) AT LEAST ONE CONDENSATION PRODUCT OF A COMPOUNDS HAVING AT LEAST ONE AROMATIC -OH GROUP AND AT LEAST ONE ALDEHYDE HAVING UP TO 10 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) | 1965-11-12 | 1966-05-14 | 1966-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-12 | 1970-05-14 | 1970-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-12 | 1974-05-14 | 1974-11-13 | $7700.00 | Window Closed / Lapsed |