US2545559A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acetone resin modified phenol resins
Assignee: Union Carbide Corp
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Filing: 1947-07-25
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Granted: 1951-03-20
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Expires: 1967-07-25
Abstract
No abstract record available.
Inventors
- 👤 Conrad F Schrimpe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:21
CPC Classifications
C; C08; C08L; C08L61/00; C08L61/04; C08L61/06; C08L61/02; C08L61/18; C08L61/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
RESINOUS COMPOSITION COMPRISING A WATER AND SPIRIT SOLUBLE HEAT-HARDNING BASE-CATALYZED CONDENSATION PRODUCT OF A PHENOL, SELECTED FROM THE GROUP CONSISTING OF PHENOL AND ALKYL AND ARYL SUBSTITUTED MONOHYDRIC PHENOLS, WITH FORMALDEHYDE, AND FROM 25 TO 75 PER CENT BY WEIGHT OF THE COMPOSITION OF A SOLUBLE BASE-CATALYZED DEHYDRATED CONDENSATION PRODUCTS OF ACETONE AND FORMALDEHYE, SAID COMPOSITION BEING CHARACTERIZED BY INTER-REACTION OF THE PRODUCTS UPON HEATING UNDR BASIC CONDITIONS TO AN INSOLUBLE STATE WITH A SOLIDS CONTENT IN EXCESS OF THE AVERAGE OF THE CONDENSATION PRODUCTS.
Claim 2
Dependent Claim
85 words
RESINOUS COMPOSITION COMPRISING A WATER AND SPIRIT SOLUBLE HEAT-HARDNING BASE-CATALYZED CONDENSATION PRODUCT OF A PHENOL, SELECTED FROM THE GROUP CONSISTING OF PHENOL AND ALKYL AND ARYL SUBSTITUTED MONOHYDRIC PHENOLS, WITH FORMALDEHYDE, AND FROM 25 TO 75 PER CENT BY WEIGHT OF THE COMPOSITION OF A SOLUBLE BASE-CATALYZED DEHYDRATED CONDENSATION PRODUCTS OF ACETONE AND FORMALDEHYE, SAID COMPOSITION BEING CHARACTERIZED BY INTER-REACTION OF THE PRODUCTS UPON HEATING UNDR BASIC CONDITIONS TO AN INSOLUBLE STATE WITH A SOLIDS CONTENT IN EXCESS OF THE AVERAGE OF THE CONDENSATION PRODUCTS.
References Cited (Backward Citations)
US2206906A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-19 | 1954-09-18 | 1955-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-19 | 1958-09-18 | 1959-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-19 | 1962-09-18 | 1963-03-20 | $7700.00 | Window Closed / Lapsed |