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:
Apr. 18, 2017
Filed:
Apr. 02, 2013
Suspension polymerization toner of core-shell structure with positive charges and preparation method
Shenzhen Leputai Technology Co., Ltd., Shenzhen, Guangdong, CN;
Zhijun Liu, Shenzhen, CN;
Yuanyuan Zhang, Shenzhen, CN;
Huan Zhang, Shenzhen, CN;
Xiao Yuan, Shenzhen, CN;
Hong Meng, Shenzhen, CN;
Hui Yang, Shenzhen, CN;
SHENZHEN LEPUTAI TECHNOLOGY CO., LTD, Shenzhen, CN;
Abstract
Suspension polymerization toner of core-shell structure with positive charges comprises core-shell composite particles prepared by mixing composition forming toner core particles with aqueous dispersion liquid, carrying out a heating polymerization reaction to obtain suspension dispersion liquid of toner soft core particles, and carrying out a water-based polymerization reaction to form the core-shell composite particles of which an outer surface of the toner core particles are coated with the rigid shell layer with dense positive charges.