Patent US2961384A successfully refreshed from Google Patents.
US2961384A
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US
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Electrolytic polymerization of phenol
Assignee: American Marietta Co
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Filing: 1956-12-27
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Granted: 1960-11-22
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Expires: 1976-12-27
Abstract
No abstract record available.
Inventors
- 👤 Mckinney David Scroggs
- 👤 Fugassi James Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:32
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/44; C09D5/4476; C08; C08G; C08G65/00; C08G65/34; C08G65/38; C08G65/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A METHOD OF PRODUCING AN ADHERENT, INERT, INSOLUBLE AND HEAT-RESISTING CROSS-LINKED POLYMERIC SOLID FILM UPON A METAL SURFACE COMPRISING IMMERSING SAID METAL IN A SUBSTANTIALLY NON-AQUEOUS ELECTROLYTIC BATHCONTAINING AN AROMATIC PHENOL HAVING AT LEAST TWO UNSUBSTITUTED POSITIONS IN THE AROMATIC RING, SAID POSITIONS BEING SELECTED FROM THE GROUP CONSISTING OF POSITIONS ORTHO AND PARA TO THE PHENOLIC HYDROXYL GROUP OF SAID PHENOL, SAID PHENOL RETAINING ITS AROMATIC STRUCTURE WHEN PARTIALLY OXIDIZED AND SAID ELECTROLYTIC BATH COMPRISING PHENOLATE IONS OF SAID PHENOL, AND PASSING A UNIDIRECTIONAL ELECTRICAL CURRENT THROUGH SAID BATH AND THROUGH SAID METAL ANODE TO CAUSE SAID PHENOLATE IONS TO DISCHARGE AND SAID PHENOL TO POLYMERIZE, CROSS-LINK AND BE DEPOSITED AS A POLYMERIC FILM UPON SAID METAL
Claim 2
Independent Claim
118 words
A METHOD OF PRODUCING AN ADHERENT, INERT, INSOLUBLE AND HEAT-RESISTING CROSS-LINKED POLYMERIC SOLID FILM UPON A METAL SURFACE COMPRISING IMMERSING SAID METAL IN A SUBSTANTIALLY NON-AQUEOUS ELECTROLYTIC BATHCONTAINING AN AROMATIC PHENOL HAVING AT LEAST TWO UNSUBSTITUTED POSITIONS IN THE AROMATIC RING, SAID POSITIONS BEING SELECTED FROM THE GROUP CONSISTING OF POSITIONS ORTHO AND PARA TO THE PHENOLIC HYDROXYL GROUP OF SAID PHENOL, SAID PHENOL RETAINING ITS AROMATIC STRUCTURE WHEN PARTIALLY OXIDIZED AND SAID ELECTROLYTIC BATH COMPRISING PHENOLATE IONS OF SAID PHENOL, AND PASSING A UNIDIRECTIONAL ELECTRICAL CURRENT THROUGH SAID BATH AND THROUGH SAID METAL ANODE TO CAUSE SAID PHENOLATE IONS TO DISCHARGE AND SAID PHENOL TO POLYMERIZE, CROSS-LINK AND BE DEPOSITED AS A POLYMERIC FILM UPON SAID METAL
References Cited (Backward Citations)
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US2135368A
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US2496933A
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US2613230A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-22 | 1964-05-23 | 1964-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-22 | 1968-05-23 | 1968-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-22 | 1972-05-23 | 1972-11-22 | $7700.00 | Window Closed / Lapsed |