Premixed calcium phosphate cement pastes

Premixed calcium phosphate cement pastes
USPTO Patent Full-Text and Image Database
Chow, et al.
US Patent Number: 6,793,725
Publication Date: September 21, 2004
Inventors: Chow; Laurence C. (Germantown, MD); Takagi; Shozo (Gaithersburg, MD)
Assignee: ADA Foundation (Chicago, IL)
Appl. No.: 057554
Filed: January 23, 2002
Abstract: A bone or dental implant material in the form of a paste includes a mixture of calcium phosphate powders, that are capable of forming hydroxyapatite, with liquid glycerol and hydroxypropyl methylcellulose and Na.sub.2 HPO.sub.4. The paste will harden upon exposure to water with the time to harden controlled by the choice and ratio of constituents.