Patent US863909A successfully refreshed from Google Patents.
Patent US2981710A successfully refreshed from Google Patents.
US2981710A
Expired / Lapsed
US
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Water soluble hardenable resinous compositions
Assignee: Allnex Austria GmbH
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Filing: 1956-10-24
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Granted: 1961-04-25
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Expires: 1976-10-24
Abstract
No abstract record available.
Inventors
- 👤 Hoenel Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:23
CPC Classifications
C; C09; C09D; C09D163/00; C08; C08L; C08L67/00; C09D161/00; C09D161/04; C09D161/06; C09D191/00; C09D5/00; C09D5/02; C08L67/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
A SUBSTANTIALLY NEUTRAL COMPOSITION OF MATTER BEING WATER DILUTABLE, WHICH COMPRISES THE FOLLOWING COMPONENTS: (1) A LOW MOLECULAR WEIGHT RESOL OF FORMALDEHYDE AND A PHENOL IN WHICH THE TOTAL NUMBER OF POSITIONS ON THE BENZENE RING WHICH ARE REACTABLE WITH FORMALDEHYDE, SELECTED FROM A GROUP CONSISTING OF ORTHO- AND PARA- IN RELATION TO THE PHENOLIC HYDROXY GROUPS IS ESSENTIALLY TWO, SAID RESOL HAVING AT LEAST ONE CARBOXYLIC GROUP CHEMICALLY BONDED TO THE RESOL AND AN ACID NUMBER RANGING BETWEEN 100 AND 250, (II) A PLASTICIZING ALKYD RESIN WHICH HAS AN ACID NUMBER OF AT LEAST 35 AND WHICH DUE TO ITS BEING OBTAINED FROM AN EXCESS OF HYDROXY COMPOUNDS HAS A FREE HYDROXYL VALUE OF FROM 200-400 AND , (III) A WATER SOLUBLE BASE SELECTED FROM THE GROUP CONSISTING OF AMMONIA AND STRONGLY BASIC AMINES.
Claim 2
Dependent Claim
135 words
A SUBSTANTIALLY NEUTRAL COMPOSITION OF MATTER BEING WATER DILUTABLE, WHICH COMPRISES THE FOLLOWING COMPONENTS: (1) A LOW MOLECULAR WEIGHT RESOL OF FORMALDEHYDE AND A PHENOL IN WHICH THE TOTAL NUMBER OF POSITIONS ON THE BENZENE RING WHICH ARE REACTABLE WITH FORMALDEHYDE, SELECTED FROM A GROUP CONSISTING OF ORTHO- AND PARA- IN RELATION TO THE PHENOLIC HYDROXY GROUPS IS ESSENTIALLY TWO, SAID RESOL HAVING AT LEAST ONE CARBOXYLIC GROUP CHEMICALLY BONDED TO THE RESOL AND AN ACID NUMBER RANGING BETWEEN 100 AND 250, (II) A PLASTICIZING ALKYD RESIN WHICH HAS AN ACID NUMBER OF AT LEAST 35 AND WHICH DUE TO ITS BEING OBTAINED FROM AN EXCESS OF HYDROXY COMPOUNDS HAS A FREE HYDROXYL VALUE OF FROM 200-400 AND , (III) A WATER SOLUBLE BASE SELECTED FROM THE GROUP CONSISTING OF AMMONIA AND STRONGLY BASIC AMINES.
References Cited (Backward Citations)
US2013496A
Cited
US2681894A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-24 | 1964-10-24 | 1965-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-24 | 1968-10-24 | 1969-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-24 | 1972-10-24 | 1973-04-25 | $7700.00 | Window Closed / Lapsed |