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:
Oct. 12, 1976
Filed:
Oct. 16, 1974
Applicant:
Inventor:
Martinus T Peters, Venlo, NL;
Assignee:
Oce-van der Grinten N.V., Venlo, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
96 / ; 252 / ; 427 14 ;
Abstract
Toner powders for developing electrostatic images are provided with improved control of the polarity and the color of the particles by forming them of thermoplastic resin containing in dissolved state therein a normal salt of an organic basic dye, e.g. a Safranine dye, and an organic acid, e.g. a phenoxy acetic acid, having at least 6 carbon atoms and having a dissociation constant less then 4 as measured in water at 25.degree.C.
Peters, Martinus. (1976). Toner powder for electrostatic images (U.S. Patent No. 3985559). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3985559
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile