JPS5267331A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Electrophotographic toner
Assignee: Canon Inc
•
Filing: 1975-12-01
•
Granted: —
•
Expires: 1995-12-01
Abstract
Abstract PURPOSE: To produce a toner having good heat resistance, uniform image density, low circumferential effect, low fog, and negative polarity suitable for haet roller fixing, by adding a specified chrome dye. COPYRIGHT: (C)1977,JPO&Japio
Inventors
- 👤 Yoshihiro Sakamoto
- 👤 Yoshikazu Tsuchiya
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-11-04 22:10
CPC Classifications
—
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
Maintenance schedule is calculated for granted US utility patents.