Patent US5367242A successfully refreshed from Google Patents.
Patent US3226364A successfully refreshed from Google Patents.
US3226364A
Expired / Lapsed
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Two-part catalyst system in process for preparing one stage phenolic resins
Assignee: Monsanto Co
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Filing: 1961-06-21
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Granted: 1965-12-28
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Expires: 1981-06-21
Abstract
No abstract record available.
Inventors
- 👤 O'connell Frank Stanton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:24
CPC Classifications
C; C08; C08G; C08G8/00; C08G8/04; C08G8/08; C08G8/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
IN A PROCESS FOR PREPARING LIQUID, WATER-DILUTABLE PHENOLIC RESINS CONSISTING OF REACTING A MIXTURE CONSISTING OF A MOLAR EXCESS OF AN ALDEHYDE WITH A PHENOL AT A PH OF 7.0-11.5 AND A TEMPERATURE OF 20-100*C., THE IMPROVEMENT WHICH COMPRISES CONDUCTING THE REACTION IN THE PRESENCE OF A CATALYST MIXTURE CONSISTING OF 0.012-0.25 MOL OF AN INORGANIC BASE AND 0.005-0.25 MOL OF AN ORGANIC BASE PER MOLE OF THE PHENOL; SAID INORGANIC BASE BEING SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL AND ALKALINE EARTH METAL CARBONATES, HYDROXIDES, AND OXIDES; SAID ORGANIC BASE BEING SELECTED FROM THE GROUP CONSISTING OF PRIMARY, SECONDARY AND TERTIARY ALIPHATIC AMINES.
Claim 2
Dependent Claim
105 words
IN A PROCESS FOR PREPARING LIQUID, WATER-DILUTABLE PHENOLIC RESINS CONSISTING OF REACTING A MIXTURE CONSISTING OF A MOLAR EXCESS OF AN ALDEHYDE WITH A PHENOL AT A PH OF 7.0-11.5 AND A TEMPERATURE OF 20-100*C., THE IMPROVEMENT WHICH COMPRISES CONDUCTING THE REACTION IN THE PRESENCE OF A CATALYST MIXTURE CONSISTING OF 0.012-0.25 MOL OF AN INORGANIC BASE AND 0.005-0.25 MOL OF AN ORGANIC BASE PER MOLE OF THE PHENOL; SAID INORGANIC BASE BEING SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL AND ALKALINE EARTH METAL CARBONATES, HYDROXIDES, AND OXIDES; SAID ORGANIC BASE BEING SELECTED FROM THE GROUP CONSISTING OF PRIMARY, SECONDARY AND TERTIARY ALIPHATIC AMINES.
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) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |