Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1996-09-26
1997-11-04
Merriam, Andrew E. C.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
523105, 523300, 521145, 521182, 524436, 528354, 528361, 310800, 310367, 310363, 623 16, A61F 228, C08G 6306, C08F 1220
Patent
active
056840616
ABSTRACT:
A bone inducing material comprising a piezoelectric porous membrane having through-holes of an average pore size of about 0.1 to 5 .mu.m is disclosed. When the bone inducing material according to the present invention is used, bone is rapidly regenerated, and new formation of bone occurs. The bone inducing material is particularly useful in the dental field, for example, for treatment of periodontal diseases by GTR method.
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patent: 4904394 (1990-02-01), Clarke et al.
patent: 5250584 (1993-10-01), Ikada et al.
Japanese Journal of Applied Physics, vol. 14, No. 12, 1975, Tokyo, pp. 2079-2080, E. Fukada "Callus Formation by Electret".
Patent Abstracts of Japan, vol. 13, No. 546 (C-661) 6 Dec. 1989, re JP-A-01 223 954 (Daikin Ind. Ltd) 7 Sep. 1989.
Moriyama Nobuhiro
Ohnishi Toshiyuki
Kureha Chemical Industry Co. Ltd.
Merriam Andrew E. C.
Ohnishi Toshiyuki
Uchida Yasunari
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