The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 05, 1985
Filed:
Mar. 12, 1984
Hisayuki Ushiyama, Hiratsuka, JP;
Ichiro Ohsaki, Kawasaki, JP;
Masanori Takenouchi, Urawa, JP;
Toshiaki Nakahara, Kawasaki, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A microcapsule toner for pressure fixing, comprising a core material containing a pressure-fixable component and a magnetic material, a first shell layer comprising a formaldehyde copolymer resin and a second shell layer comprising a polymer soluble in an organic solvent provided successively by coating therearound. This microcapsule, since a pressure-fixable core material is successively coated with a lipophobic first shell layer and a lipophilic second shell layer, has well-balanced pressure fixing characteristic and developing characteristic without core material exposed on the surface.