← Back to Patent Explorer
US3672886A Expired / Lapsed US ⏱️ 0.0 years remaining

Novolak resins in deformation imaging

Assignee: Xerox Corp
•
Filing: 1968-12-26
•
Granted: 1972-06-27
•
Expires: 1988-12-26
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

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 04:15
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

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

No citation records indexed.

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

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag