Patent JPS5675997A successfully refreshed from Google Patents.
Patent US2864806A successfully refreshed from Google Patents.
US2864806A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Certain oxyalkylation derivatives of polyepoxide modified phenol-aldehyde resins
Assignee: Baker Petrolite LLC
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Filing: 1956-04-30
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Granted: 1958-12-16
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Expires: 1976-04-30
Abstract
No abstract record available.
Inventors
- 👤 Groote Melvin De
- 👤 Shen Kwan-Ting
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:28
CPC Classifications
C; C08; C08G; C08G8/00; C08G8/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
SYNTHETIC HYDROPHILE PRODUCTS; SAID SYNTHETIC HYDROPHILE PRODUCTS BEING THE OXYALKYLATION DERIVATIVES OF THE REACTION PRODUCTS OF (A) AN OXYALKYLATION-SUSCEPTIBLE, FUSIBLE, ORGANIC SOLVENT-SOLUBLE, WATER-INSOLUBLE PHENOLALDEHYDE RESIN; SAID RESIN BEING DERIVED BY REACTION BETWEEN A DIFUNCTIONAL MONOHYDRIC PHENOL AND AN ALDEHYDE HAVING NOT OVER 8 CARBON ATOMS AND REACTIVE TOWARD SAID PHENOL; SAID RESIN BEING FORMED IN THE SUBSTANTIAL ABSENCE OF TRIFUNCTIONAL PHENOLS; SAID PHENOL BEING OF THE FORMULA
Claim 2
Dependent Claim
67 words
SYNTHETIC HYDROPHILE PRODUCTS; SAID SYNTHETIC HYDROPHILE PRODUCTS BEING THE OXYALKYLATION DERIVATIVES OF THE REACTION PRODUCTS OF (A) AN OXYALKYLATION-SUSCEPTIBLE, FUSIBLE, ORGANIC SOLVENT-SOLUBLE, WATER-INSOLUBLE PHENOLALDEHYDE RESIN; SAID RESIN BEING DERIVED BY REACTION BETWEEN A DIFUNCTIONAL MONOHYDRIC PHENOL AND AN ALDEHYDE HAVING NOT OVER 8 CARBON ATOMS AND REACTIVE TOWARD SAID PHENOL; SAID RESIN BEING FORMED IN THE SUBSTANTIAL ABSENCE OF TRIFUNCTIONAL PHENOLS; SAID PHENOL BEING OF THE FORMULA
References Cited (Backward Citations)
US2521912A
Cited
US2499370A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-15 | 1962-06-16 | 1962-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-15 | 1966-06-16 | 1966-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-15 | 1970-06-16 | 1970-12-16 | $7700.00 | Window Closed / Lapsed |