Patent US3382213A successfully refreshed from Google Patents.
US3382213A
Expired / Lapsed
US
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One-stage resin and process for preparing same comprising reacting a spaced polyphenol and an aldehyde
Assignee: General Electric Co
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Filing: 1966-05-12
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Granted: 1968-05-07
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Expires: 1986-05-12
Abstract
No abstract record available.
Inventors
- 👤 John D Nelson
- 👤 William F Mufatti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:03
CPC Classifications
C; C08; C08G; C08G8/00; C08G8/04; C08G8/08; C08G8/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A ONE-STEP PROCESS FOR PREPARING A ONE-STAGE THERMOSETTING RESINOUS CONDENSATION PRODUCT WHICH PROCESS COMPRISING (1) HEATING A MONYHYDRIC SPACED POLYPHENOL AND A PHENOL IN THE PRESENCE OF A PATICULAR CATALYST TO A TEMPERATURE OF AT LEAST 130*C., SAID SPACED POLYPHENOL CONSISTING OF A POLYARYLOLATED HYDROCARBON HAVING PHENOLIC NUCLEI SEPARATED FROM EACH OTHER BY POLYMERTHYLENE CHAINS, (2) REACTING LESS THAN ONE MOLE OF AN ALDEHYDE PER MOLE OF SPACED POLYPHENOL AND PHENOL COMBINED, (3) COOLING THE REACTION TO A TEMPERATURE OF ABOUT 80-115* C. AND (4) REACTING ADDITIONAL ALDEHYDE SUCH THAT THE TOTAL ALDEHYDE REACTED IS MORE THAN ONE MOLE THEREOF PER MOLE OF SPACED POLYPHENOL AND PHENOL COMBINED; SAID PARTICULAR CATALYST BEING SELECTED FROM THE GROUP CONSISTING OF EARTH ALKALI METAL, EARTH METAL AND HEAVY METAL HYDROXIDES AND OXIDES.
Claim 2
Dependent Claim
129 words
A ONE-STEP PROCESS FOR PREPARING A ONE-STAGE THERMOSETTING RESINOUS CONDENSATION PRODUCT WHICH PROCESS COMPRISING (1) HEATING A MONYHYDRIC SPACED POLYPHENOL AND A PHENOL IN THE PRESENCE OF A PATICULAR CATALYST TO A TEMPERATURE OF AT LEAST 130*C., SAID SPACED POLYPHENOL CONSISTING OF A POLYARYLOLATED HYDROCARBON HAVING PHENOLIC NUCLEI SEPARATED FROM EACH OTHER BY POLYMERTHYLENE CHAINS, (2) REACTING LESS THAN ONE MOLE OF AN ALDEHYDE PER MOLE OF SPACED POLYPHENOL AND PHENOL COMBINED, (3) COOLING THE REACTION TO A TEMPERATURE OF ABOUT 80-115* C. AND (4) REACTING ADDITIONAL ALDEHYDE SUCH THAT THE TOTAL ALDEHYDE REACTED IS MORE THAN ONE MOLE THEREOF PER MOLE OF SPACED POLYPHENOL AND PHENOL COMBINED; SAID PARTICULAR CATALYST BEING SELECTED FROM THE GROUP CONSISTING OF EARTH ALKALI METAL, EARTH METAL AND HEAVY METAL HYDROXIDES AND OXIDES.
References Cited (Backward Citations)
US2859204A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-07 | 1971-11-06 | 1972-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-07 | 1975-11-06 | 1976-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-07 | 1979-11-06 | 1980-05-07 | $7700.00 | Window Closed / Lapsed |