US2581371A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydroxy acetic acid esters of oxyalkylated phenol-aldehyde resins
Assignee: Baker Petrolite LLC
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Filing: 1948-11-12
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Granted: 1952-01-08
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Expires: 1968-11-12
Abstract
No abstract record available.
Inventors
- 👤 Groote Melvin De
- 👤 Keiser Bernhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:10
CPC Classifications
C; C08; C08G; C08G8/00; C08G8/28; C08G8/36; C08G8/04; C08G8/08; C08G8/10; C08G8/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A MODIFIED PHENOL-ALDEHYDE RESIN WHICH IS AN OXYALKYLATION-SUSCEPTIBLE, FUSIBLE, ORGANIC SOLVENT-SOLUBLE, WATER-INSOLUBLE, HYDROXYACETIC ACID-ESTERIFIED ALKYLENE OXIDE-MODIFIED PHENOLALDEHYDE RESIN; SAID RESIN BEING DERIVED BY REACTION BETWEEN A DIFUNCTIONAL MONOHYDRIC PHENOL AND AN ALDEHYDE HAVING NOT OVER , CARBON ATOMS AND HAVING ONE FUNCTION GROUP REACTIVE TOWARDS SAID PHENOL; SAID RESIN BEING FORMED IN THE SUBSTANTIAL ABSENCE OF PHENOLS OF FUNCTIONALITY GREATER THAN TWO; SAID PHENOL BEING OF THE FORMULA:
Claim 2
Dependent Claim
68 words
A MODIFIED PHENOL-ALDEHYDE RESIN WHICH IS AN OXYALKYLATION-SUSCEPTIBLE, FUSIBLE, ORGANIC SOLVENT-SOLUBLE, WATER-INSOLUBLE, HYDROXYACETIC ACID-ESTERIFIED ALKYLENE OXIDE-MODIFIED PHENOLALDEHYDE RESIN; SAID RESIN BEING DERIVED BY REACTION BETWEEN A DIFUNCTIONAL MONOHYDRIC PHENOL AND AN ALDEHYDE HAVING NOT OVER , CARBON ATOMS AND HAVING ONE FUNCTION GROUP REACTIVE TOWARDS SAID PHENOL; SAID RESIN BEING FORMED IN THE SUBSTANTIAL ABSENCE OF PHENOLS OF FUNCTIONALITY GREATER THAN TWO; SAID PHENOL BEING OF THE FORMULA:
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-07 | 1955-07-09 | 1956-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-07 | 1959-07-09 | 1960-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-07 | 1963-07-09 | 1964-01-08 | $7700.00 | Window Closed / Lapsed |