Invention Grant
US09097996B2 Silicon dioxide powder having special surface properties and toner composition containing said powder
有权
具有特殊表面性质的二氧化硅粉末和含有所述粉末的调色剂组合物
- Patent Title: Silicon dioxide powder having special surface properties and toner composition containing said powder
- Patent Title (中): 具有特殊表面性质的二氧化硅粉末和含有所述粉末的调色剂组合物
-
Application No.: US13810834Application Date: 2011-07-06
-
Publication No.: US09097996B2Publication Date: 2015-08-04
- Inventor: Andreas Hille
- Applicant: Andreas Hille
- Applicant Address: DE Essen
- Assignee: Evonik Degussa GmbH
- Current Assignee: Evonik Degussa GmbH
- Current Assignee Address: DE Essen
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Priority: DE102010031585 20100721
- International Application: PCT/EP2011/061357 WO 20110706
- International Announcement: WO2012/010416 WO 20120126
- Main IPC: C07F7/02
- IPC: C07F7/02 ; G03G9/08 ; B82Y30/00 ; C01B33/18 ; C09C1/30 ; G03G9/097 ; B32B5/16
Abstract:
The invention relates to silicon dioxide powder which is present in the form of aggregated primary particles having an average diameter of at least 40 nm and a ratio of the BET surface area to the STSA surface area of at least 3.5. The invention also relates to a toner composition containing said silicon dioxide powder.
Public/Granted literature
- US20130204029A1 SILICON DIOXIDE POWDER HAVING SPECIAL SURFACE PROPERTIES AND TONER COMPOSITION CONTAINING SAID POWDER Public/Granted day:2013-08-08
Information query
