Patent US2854427A successfully refreshed from Google Patents.
US2854427A
Expired / Lapsed
US
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Aromatic polyepoxide-modified oxyalkylated phenol-aldehyde resins and method of making same
Assignee: Baker Petrolite LLC
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Filing: 1956-06-15
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Granted: 1958-09-30
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Expires: 1976-06-15
Abstract
No abstract record available.
Inventors
- 👤 Groote Melvin De
- 👤 Shen Kwan-Ting
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:20
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/02; C08G59/04; C08G59/06; C08G59/08; C08L; C08L63/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
THE METHOD OF REACTING (A) AN OXYALKYLATED PHENOL-ALDEHYDE RESIN CONTAINING A PLURALITY OF ACTIVE HYDROGEN ATOMS, AND (B) A PHENOLIC POLYEPOXIDE CONTAINING AT LEAST TWO 1,2-EPOXY RINGS FREE FROM REACTIVE FUNCTIONAL GROUPS OTHER THAN EPOXY AND HYDROXYL GROUPS, AND CO-GENRICALLY ASSOCIATED COMPOUNDS FORMED IN THE PREPARATION OF SAID POLYESPOXIDES; SAID EPOXIDES BEING MONOMERS AND LOW MOLAL POLYMERS NOT EXCEEDING THE TETRAMERS; SAID EPOXIDES BEING SELECTED FROM THE CLASS CONSISTING OF (A) COMPOUNDS WHERE THE PHENOLIC NUCLEI ARE DIRECTLY JOINED WITHOUT AN INTERVENING BRIDGE RADICAL, AND NOLIC NUCLEI ARE JOINED BY A DIVALENT RADICAL SELECTED FROM THE CLASS CONSISTING OF KETONE RESIDUES FORMED BY THE THE CLASS CONSISTING OF KETONE RESIDUES FORMED BY THE ELIMINATION OF THE KETONIC OXGEN ATOM, AND ALDEHYDE RESIDUES OBTAINED BY THE ELIMINATION OF THE ALDEHYDE OXYGEN ATOM, THE DIVALENT RADICAL
Claim 2
Independent Claim
134 words
THE METHOD OF REACTING (A) AN OXYALKYLATED PHENOL-ALDEHYDE RESIN CONTAINING A PLURALITY OF ACTIVE HYDROGEN ATOMS, AND (B) A PHENOLIC POLYEPOXIDE CONTAINING AT LEAST TWO 1,2-EPOXY RINGS FREE FROM REACTIVE FUNCTIONAL GROUPS OTHER THAN EPOXY AND HYDROXYL GROUPS, AND CO-GENRICALLY ASSOCIATED COMPOUNDS FORMED IN THE PREPARATION OF SAID POLYESPOXIDES; SAID EPOXIDES BEING MONOMERS AND LOW MOLAL POLYMERS NOT EXCEEDING THE TETRAMERS; SAID EPOXIDES BEING SELECTED FROM THE CLASS CONSISTING OF (A) COMPOUNDS WHERE THE PHENOLIC NUCLEI ARE DIRECTLY JOINED WITHOUT AN INTERVENING BRIDGE RADICAL, AND NOLIC NUCLEI ARE JOINED BY A DIVALENT RADICAL SELECTED FROM THE CLASS CONSISTING OF KETONE RESIDUES FORMED BY THE THE CLASS CONSISTING OF KETONE RESIDUES FORMED BY THE ELIMINATION OF THE KETONIC OXGEN ATOM, AND ALDEHYDE RESIDUES OBTAINED BY THE ELIMINATION OF THE ALDEHYDE OXYGEN ATOM, THE DIVALENT RADICAL
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-29 | 1962-03-31 | 1962-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-29 | 1966-03-31 | 1966-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-29 | 1970-03-31 | 1970-09-30 | $7700.00 | Window Closed / Lapsed |