Patent US3672886A successfully refreshed from Google Patents.
US3672886A
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Novolak resins in deformation imaging
Assignee: Xerox Corp
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Filing: 1968-12-26
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Granted: 1972-06-27
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Expires: 1988-12-26
Abstract
Abstract IT HAS BEEN DETERMINED THAT UPON THE ADDITION AN AROMATIC COMPOUND, PREFERABLY AN ARYL AMINE COMPOUND TO A PHENOL-ALDEHYDE TYPE RESIN THAT IS NOW POSSIBLE TO FORM EXCELLENT SURFACE DEFORMATION IMAGES OF ENHANCED QUALITY ON THE SURFACE OF THE LATTER MATERIALS. THUS, UPON THE ADDITION OF THE SPECIFIED ADDITIVE TO A PHENOL-ALDEHYDE TYPE RESIN THE FROST CHARACTERISTICS THEREOF ARE SUBSTANTIALLY ENHANCED.
Inventors
- 👤 Joseph Mammino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:23
CPC Classifications
C; C08; C08G; C08G8/00; C08G8/04; C08G8/08; C08G8/10; C08G8/12; C08G8/14; C08G8/20; C08G8/22; C08G8/28; C08K; C08K5/00; C08K5/0008; G; G03; G03G; G03G5/00; G03G5/02; G03G5/022; G03G5/04; G03G5/06; G03G5/0601; G03G5/0612; G03G5/0614; G03G5/06142
Claims Analysis
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References Cited (Backward Citations)
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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) | 1975-06-27 | 1975-12-27 | 1976-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-27 | 1979-12-27 | 1980-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-27 | 1983-12-27 | 1984-06-27 | $7700.00 | Window Closed / Lapsed |