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:
Jul. 05, 1983
Filed:
Oct. 30, 1980
Applicant:
Inventor:
Dieter Hendriks, Geneva, CH;
Assignee:
Sublistatic Holding, S.A., Glaris, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
430137 ; 430903 ; 427 27 ; 427221 ; 428407 ;
Abstract
Developers consisting of virtually spherical particles made by spray drying an aqueous dispersion of a magnetic substance and a coating material consisting of polymers or waxes or of a mixture of polymers with a wax and/or a plasticizer, their constituents being preferably water-dispersible, and process for their preparation.