US2824850A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reaction product of a compound capable of reacting with hydroxyl groups, with an etherification product of a polyglycidyl ether
Assignee: BASF Schweiz AG
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Filing: 1955-01-17
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Granted: 1958-02-25
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Expires: 1975-01-17
Abstract
No abstract record available.
Inventors
- 👤 Widmer Gustav
- 👤 Zuppinger Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:49
CPC Classifications
C; C08; C08L; C08L63/00; C08G; C08G59/00; C08G59/14; C08G59/1433; C08G59/1438; C08G59/1444
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A COMPOSITION OF MATTER COMPRISING THE REACTION PRODUCT OF (A) THE ETHERIFICATION PRODUCT OF A POLYGLYCIDYL ETHER WITH A HIGHER MONOHYDRIC ALCOHOL CONTAINING A CARBON CHAIN OF MORE THAN 10 CARBON ATOMS, AND POLYGLYCIDYL ETHER BEING A POLYCLYCIDYL ETHER OF A POLYHYDROXY COMPOUND WHICH CONTAINS AT LEAST TWO HYDROXYL GROUPS AND ITS FREE FROM OTHER SUBSTITUENTS CAPABLE OF REACTING WITH EPOXIDE GROUPS, SAID ETHERIFICATION PRODUCT BEING FREE FROM EPOXY GROUPS, AND (B) CONDENSATION PRODUCTS CONTAINING METHYLOL GROUPS OBTAINED FROM FORMALDEHYDE AND A COMPOUND OF THE GROUP CONSISTING OF PHENOL, UREA AND AMINOTRIAZINE CONTAINING AT LEAST 2 NH2-GROUPS, AND METHYLOL GROUPS OF THE CONDENSATION PRODUCTS BEING AT LEAST PARTIALLY ETHERIFIED WITH A LOWER ALCOHOL CONTAINING 1-4 CARBON ATOMS.
Claim 2
Dependent Claim
117 words
A COMPOSITION OF MATTER COMPRISING THE REACTION PRODUCT OF (A) THE ETHERIFICATION PRODUCT OF A POLYGLYCIDYL ETHER WITH A HIGHER MONOHYDRIC ALCOHOL CONTAINING A CARBON CHAIN OF MORE THAN 10 CARBON ATOMS, AND POLYGLYCIDYL ETHER BEING A POLYCLYCIDYL ETHER OF A POLYHYDROXY COMPOUND WHICH CONTAINS AT LEAST TWO HYDROXYL GROUPS AND ITS FREE FROM OTHER SUBSTITUENTS CAPABLE OF REACTING WITH EPOXIDE GROUPS, SAID ETHERIFICATION PRODUCT BEING FREE FROM EPOXY GROUPS, AND (B) CONDENSATION PRODUCTS CONTAINING METHYLOL GROUPS OBTAINED FROM FORMALDEHYDE AND A COMPOUND OF THE GROUP CONSISTING OF PHENOL, UREA AND AMINOTRIAZINE CONTAINING AT LEAST 2 NH2-GROUPS, AND METHYLOL GROUPS OF THE CONDENSATION PRODUCTS BEING AT LEAST PARTIALLY ETHERIFIED WITH A LOWER ALCOHOL CONTAINING 1-4 CARBON ATOMS.
References Cited (Backward Citations)
US2324483A
Cited
US2510885A
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US2528360A
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US2458796A
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US2569920A
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US2700030A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-24 | 1961-08-26 | 1962-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-24 | 1965-08-26 | 1966-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-24 | 1969-08-26 | 1970-02-25 | $7700.00 | Window Closed / Lapsed |