Invention Grant
- Patent Title: Methods of using a dental composition having an acidic component and a photobleachable dye
-
Application No.: US12517739Application Date: 2007-12-12
-
Publication No.: US09943465B2Publication Date: 2018-04-17
- Inventor: Afshin Falsafi , Joel D. Oxman , Tiffany T. Ton , Joan V. Brennan , David K. Cinader, Jr. , Bhaskar V. Velamakanni , Sumita B. Mitra
- Applicant: Afshin Falsafi , Joel D. Oxman , Tiffany T. Ton , Joan V. Brennan , David K. Cinader, Jr. , Bhaskar V. Velamakanni , Sumita B. Mitra
- Applicant Address: US MN St. Paul
- Assignee: 3M Innovative Properties Company
- Current Assignee: 3M Innovative Properties Company
- Current Assignee Address: US MN St. Paul
- International Application: PCT/US2007/087192 WO 20071212
- International Announcement: WO2008/076739 WO 20080626
- Main IPC: A61C5/00
- IPC: A61C5/00 ; A61K6/00 ; A61K6/083
Abstract:
Methods of using a dental composition having a photobleachable dye and an acidic component with a pKa of less than 4.5 are disclosed. The photobleachable dye is selected from the group consisting of aminoanthraquinone dyes, azo dyes, and combinations thereof. The aged color of the dental composition is substantially the same as the color of the dental composition immediately after hardening.
Public/Granted literature
- US20100015578A1 METHODS OF USING A DENTAL COMPOSITION HAVING AN ACIDIC COMPONENT AND A PHOTOBLEACHABLE DYE Public/Granted day:2010-01-21
Information query
