US2545692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resin-forming reaction of phenol, aldehyde, and amine in presence of polyhalophenol
Assignee: Wingfoot Corp
•
Filing: 1947-01-10
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Granted: 1951-03-20
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Expires: 1967-01-10
Abstract
No abstract record available.
Inventors
- 👤 Clyde E Gleim
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:53
CPC Classifications
C; C08; C08G; C08G14/00; C08G14/02; C08G14/04; C08G14/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
THE METHOD OF FORMING A RESIN WHICH COMPRISES REACTING A MIXTURE OF PHENOL, AN ALDEHYDE AND AN AMINE SELECTED FROM THE GROUP CONSISTING OF PRIMARY ARYLAMINES, CYCLOHEXYLAMINE, AND FURFURYL AMINE IN THE PRESENCE OF A CATALYTIC AMOUNT, FROM 0.005 TO 0.15 MOL PER MOL OF REACTANTS, OF A POLYHLOPHENOL SELECTED FROM THE GROUP CONSISTING OF TETRACHLOROPHENOL AND PENTACHLOROPHENOL.
Claim 2
Independent Claim
58 words
THE METHOD OF FORMING A RESIN WHICH COMPRISES REACTING A MIXTURE OF PHENOL, AN ALDEHYDE AND AN AMINE SELECTED FROM THE GROUP CONSISTING OF PRIMARY ARYLAMINES, CYCLOHEXYLAMINE, AND FURFURYL AMINE IN THE PRESENCE OF A CATALYTIC AMOUNT, FROM 0.005 TO 0.15 MOL PER MOL OF REACTANTS, OF A POLYHLOPHENOL SELECTED FROM THE GROUP CONSISTING OF TETRACHLOROPHENOL AND PENTACHLOROPHENOL.
References Cited (Backward Citations)
US1046137A
Cited
US1215072A
Cited
US1683701A
Cited
US1994753A
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CH160651A
Cited
US2013523A
Cited
GB572857A
Cited
US2398069A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-19 | 1954-09-18 | 1955-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-19 | 1958-09-18 | 1959-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-19 | 1962-09-18 | 1963-03-20 | $7700.00 | Window Closed / Lapsed |