Invention Grant
- Patent Title: Toner for thermal transfer printing sheet, thermal transfer printing sheet, and production method thereof
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Application No.: US14937575Application Date: 2015-11-10
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Publication No.: US09597910B2Publication Date: 2017-03-21
- Inventor: Satoshi Mitsui , Masaru Sato , Hideyoshi Niinuma , Tomohumi Sano , Toshiaki Kanamura
- Applicant: CASIO COMPUTER CO., LTD.
- Applicant Address: JP Tokyo
- Assignee: CASIO COMPUTER CO., LTD.
- Current Assignee: CASIO COMPUTER CO., LTD.
- Current Assignee Address: JP Tokyo
- Agency: Holtz, Holtz & Volek PC
- Priority: JP2014-258563 20141222
- Main IPC: B41M5/025
- IPC: B41M5/025 ; B41M5/382 ; B41M5/385 ; B41M5/44
Abstract:
A toner for a thermal transfer printing sheet is advantageous in terms of a fixing property to a release sheet, durability against deformation upon cooling, and a property of holding an image-forming toner, in addition to grindability and chargeability of the toner. The toner for a thermal transfer printing sheet is characterized by comprising a negative-charged crystalline polyester resin, wherein the toner has an average particle size D50 (volume) of 20 to 50 μm.
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