PATENT CLAIM ANALYSIS

Application Number: 15944387
Application Type: Utility
Filing Date: 2018-04
Publication Date: 2018-08
Patent Classification: ["501", "103000"]

Abstract:
A zirconia sintered body is provided having a color tone equivalent to the color tone guides of various natural teeth and having the same aesthetics as a natural front tooth. The present invention provides a colored translucent zirconia sintered body comprising zirconia containing greater than 4.0 mol % and not greater than 6.5 mol % of yttria, less than 0.25 mol % of erbia, less than 2,000 ppm of iron oxide in terms of Fe 2 O 3 , less than 0.01 wt. % of cobalt oxide in terms of CoO, and less than 0.1 wt. % of alumina; the zirconia sintered body having a relative density of not less than 99.90%, a total light transmittance of not less than 25% and less than 40% for light having a wavelength of 600 nm at a sample thickness of 1.0 mm, and a strength of not less than 500 MPa.

Claim (Index 1):
A zirconia powder composition comprising greater than 4.0 mol % and not greater than 6.5 mol % of yttria, less than 0.25 mol % of erbia, less than 2,000 ppm of iron compound in terms of Fe 2 O 3 , less than 0.01 wt. % of cobalt compound in terms of CoO, and less than 0.1 wt. % of alumina; the zirconia powder composition having a BET specific surface area of from 7 to 13 m 2 /g.

Metadata:
- Claim Count in Document: 3.0
- Percentile: 91.0
- Lexical Diversity: 1.97561
- Patent Class: 501.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['15321011', '14651375', '15104036', '14235716', '14473494']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.732699078507278
- 35 USC 102 Novelty (BERT): 0.5553293966423135
- Combined Prediction Score: 0.7149621103207816
- Mean Citation Score: 304.511298
- Max Citation Score: 427.4778
- Similarity Product: 371.8630605631472

Labels:
- Claim Label 101: 1
- Claim Label 102: 1
- Claim Label 103: 1
- Claim Label 112: 1
- Combined Label: 1
- Label 101 Adjusted: 1

Dataset: test