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Gran-refined Gold-free Dental Alloys for Porcelain-fused-to-metal Restorations Cross-reference to Related Applications
| Content Provider | Semantic Scholar |
|---|---|
| Copyright Year | 2017 |
| Abstract | Primary Examiner-Peter K. Skiff Assistant Examiner-S. Kastler Attorney, Agent, or Firm-Kramer and Brufsky 57 ABSTRACT Grain refined palladium-based denial alloys contain about 70-85 weight percent palladium, 7-15 weight percent copper, 2-8 weight percent gallium, 2-15 weight percent indium, 0.2-3.0 weight percent rhenium or ruthenium and an effective amount of boron up to about 0.15% which eliminates the formation of bubbles in porcelain during the porcelain firing process. In addi tion, there can be an effective amount of zinc up to about 0.5 weight percent. Alternately, in lieu of zinc, the boron is added in the form of calcium boride. |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | https://patentimages.storage.googleapis.com/57/0f/79/f50dd60340bec8/US4576789.pdf |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
