Invention Grant
- Patent Title: Multilayer resin material for dental milling and machining
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Application No.: US15362867Application Date: 2016-11-29
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Publication No.: US09839498B2Publication Date: 2017-12-12
- Inventor: Masanori Goto , Toshio Kitamura , Mitsuji Teramae
- Applicant: SHOFU INC.
- Applicant Address: JP Kyoto
- Assignee: SHOFU INC.
- Current Assignee: SHOFU INC.
- Current Assignee Address: JP Kyoto
- Agency: Wenderoth, Lind & Ponack, L.L.P.
- Priority: JP2015-234209 20151130
- Main IPC: A61C13/00
- IPC: A61C13/00 ; A61C13/09 ; A61C13/08 ; A61C5/10

Abstract:
To provide a multilayer resin material for dental milling and machining, comprising an inorganic filler in a content of 40% by weight or more and a plurality of layers different in transparency and color tone from each other, wherein the thickness of the uppermost layer (U) and the thickness of the lowermost layer (L) are each 1 mm or more, the contrast ratios (uppermost layer: CU, lowermost layer: CL) as indices for the transparency of the uppermost layer (U) and the transparency of the lowermost layer (L) satisfy the following relations: 0.30≦CU≦0.60 0.55≦CL≦0.90 CU
Public/Granted literature
- US20170151041A1 MULTILAYER RESIN MATERIAL FOR DENTAL MILLING AND MACHINING Public/Granted day:2017-06-01
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