The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 01, 2008
Filed:
Jan. 29, 2003
Dong Wu, Woodbury, MN (US);
Brant U. Kolb, Afton, MN (US);
Sumita B. Mitra, West St. Paul, MN (US);
Bradley D. Craig, Cottage Grove, MN (US);
Brian N. Holmes, St. Paul, MN (US);
Richard P. Rusin, Woodbury, MN (US);
Mark S. Windisch, Stillwater, MN (US);
Dong Wu, Woodbury, MN (US);
Brant U. Kolb, Afton, MN (US);
Sumita B. Mitra, West St. Paul, MN (US);
Bradley D. Craig, Cottage Grove, MN (US);
Brian N. Holmes, St. Paul, MN (US);
Richard P. Rusin, Woodbury, MN (US);
Mark S. Windisch, Stillwater, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
The present invention provides a dental paste, a dental article, methods of making and using the dental paste, and compositions prepared therefrom. In one embodiment, the dental paste includes (a) a filler including porous, non-pyrogenic silica having a silane treated surface and being substantially free of heavy metals and (b) a filler including non-aggregated primary silica particles, with the fillers being dispersed in a hardenable resin.