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특허 상세정보

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내보내기 페이스북 공유 카카오톡 공유

Optimum particle sized hybrid composite

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) A61K-060/83    C08K-003/36   
미국특허분류(USC) 52/3116 ; 52/311.5 ; 52/449.3 ; 52/455.9 ; 52/632.0 ; 52/632.6
출원번호 US-0270999 (1999-03-17)
발명자 / 주소
  • Angeletakis Christos
  • Kobashigawa Alvin I.
출원인 / 주소
  • Kerr Corporation
대리인 / 주소
    Wood, Herron & Evans, L.L.P.
인용정보 피인용 횟수 : 36  인용 특허 : 63
초록
▼

The present invention provides a dental composite which has the high strength required for load bearing restorations, yet maintains a glossy appearance, even after substantial wear. Through the use of particles having a mean particle size between about 0.05 .mu.m and about 0.50 .mu.m, the composite is useful in stress bearing restorations and in cosmetic restorations. The structural filler used is typically ground to a mean particle size of less than 0.5 .mu.m and also includes a microfill having a mean particle size less than 0.05 .mu.m to improve handl...

대표
청구항
▼

[ What is claimed is:] [1.] A dental composite, comprising:a resin base; andabout 10% by volume to about 80% by volume filler consisting essentially of a ground structural filler and a microfiller,wherein the ground structural filler comprises between about 10% by volume and about 70% by volume of the composite and consists of ground particles of mean particle size between about 0.05 .mu.m and about 0.50 .mu.m, and wherein the ground structural filler contains less than 50% by volume of particles above 0.5 .mu.m in diameter, andwherein the microfiller co...

이 특허에 인용된 특허 (63)

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  3. Ruppert, Klaus; Hohmann, Alfred, Dental adhesive agent for high-performance polymers.
  4. Angeletakis, Christos; Nguyen, Minh-Dang Son, Dental composition containing discrete nanoparticles.
  5. Walz, Uwe; Klee, Joachim E., Dental composition with improved light stability.
  6. Walz, Uwe; Klee, Joachim E., Dental compositions comprising bisacrylamides and use thereof.
  7. Craig, Bradley D.; Kobussen, Gregory A., Dental filler and methods.
  8. Jia, Weitao; Karmaker, Ajit, Dental filling material.
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  14. Sun, Benjamin J.; Lichkus, Andrew M., Dental method and device.
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  36. Qian, Xuejun, Single-part, light-curable, self-adhering dental restorative composition and method of using the same.

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