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Alkali-free bioactive glass composition, U.S. Patent 9,238,044

Descriptive

Language
LanguageTerm (authority = ISO 639-3:2007); (type = text)
English
Genre (authority = RULIB-FS)
Other
Genre (authority = local)
Patent
Name (type = corporate); (authority = RutgersOrg-Department)
NamePart
Materials Science and Engineering
Name (type = corporate); (authority = RutgersOrg-School)
NamePart
School of Engineering
OriginInfo
DateIssued (encoding = w3cdtf); (keyDate = yes)
2016
TypeOfResource
Text
TitleInfo
Title
Alkali-free bioactive glass composition, U.S. Patent 9,238,044
Abstract (type = abstract)
The present invention relates to development of bioactive glass/glass-ceramic composition that are able to promote a fast deposition layer of carbonated hydroxyapatite upon immersion in simulated body fluid (SBF) for time periods as short as one hour. Such composition might include fluorides, and a variety of oxides (or their precursor compounds), such as Na<sub>2</sub>O—Ag<sub>2</sub>O—SrO—CaO—MgO—ZnO—P<sub>2</sub>O<sub>5</sub>—SiO<sub>2</sub>—Bi<sub>2</sub>O<sub>3</sub>—B<sub>2</sub>O<sub>3</sub>—CaF<sub>2</sub>, be prepared by the melt route or by the sol-gel process, with the specific composition and the preparation route selected according to the intended functionalities, which can present controlled biodegradation rate and bactericidal activity. The powders derived from glass melts purred in cold water (frits) may completely densify by sintering at temperatures up to 800° C. without devitrification, resulting in bioglass compacts with high flexural strength (˜85 MPa). The bioactive glass powders prepared by sol-gel densify at lower temperatures due to their higher specific surface area and reactivity.
PhysicalDescription
Extent
19 p.
Name (type = personal)
NamePart (type = family)
Ferreira
NamePart (type = given)
José Maria Da Fonte
Role
RoleTerm (type = text); (authority = marcrt)
author
Name (type = personal)
NamePart (type = family)
Goel
NamePart (type = given)
Ashutosh
Affiliation
Materials Science and Engineering, Rutgers University
Role
RoleTerm (type = text); (authority = marcrt)
author
RelatedItem (type = host)
TitleInfo
Title
Patents
Identifier (type = local)
rucore00000002355
RelatedItem (type = host)
TitleInfo
Title
Goel, Ashutosh
Identifier (type = local)
rucore30225800001
Location
PhysicalLocation (authority = marcorg); (displayLabel = Rutgers, The State University of New Jersey)
NjNbRU
Identifier (type = doi)
doi:10.7282/T3057JBK
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Rights

Copyright
Status
Public domain
Availability
Status
Open
Reason
Mandated by law
Publication
Status
Published
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Technical

RULTechMD (ID = TECHNICAL1)
ContentModel
Document
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1.3
DateCreated (point = start); (encoding = w3cdtf); (qualifier = exact)
2016-08-21T05:30:04
DateCreated (point = end); (encoding = w3cdtf); (qualifier = exact)
2016-08-21T05:30:04
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ImageMagick 6.9.0-6 Q8 x86_64 2015-02-23 http://www.imagemagick.org
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