PATENT CLAIM ANALYSIS

Application Number: 16311791
Application Type: Utility
Filing Date: 2018-12
Publication Date: 2019-07
Patent Classification: ["428", "469000"]

Abstract:
A ferritic stainless steel sheet is a ferritic stainless steel sheet which is temper rolled after bright annealing and has a passivation film. The area ratio of minute defects having an area of 10 μm 2  or more on the surface of the steel sheet is 0.2% or more and 1.5% or less. In addition, the thickness of the passivation film is 1 nm or more and 10 nm or less, the average concentration of Si in the passivation film is 10 at % or more and 20 at % or less, and the average concentration ratio of Si, Al, Cr and Fe in the passivation film component is (Si+Al+Cr)/Fe>1.0.

Claim (Index 3):
The ferritic stainless steel sheet according to  claim 1 , which comprises:\n at least one of Nb: 0.1 mass % or more and 1.0 mass % or less, and Cu: 1.0 mass % or less.

Metadata:
- Claim Count in Document: 9.0
- Percentile: 98.0
- Lexical Diversity: 2.08333
- Patent Class: 428.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['14437015', '15302386', '14008830', '15811383', '14873551']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.913952311560545
- 35 USC 102 Novelty (BERT): 0.4999839954567015
- Combined Prediction Score: 0.8725554799501607
- Mean Citation Score: 266.166564
- Max Citation Score: 283.31506
- Similarity Product: 236.9198736732293

Labels:
- Claim Label 101: 1
- Claim Label 102: 1
- Claim Label 103: 0
- Claim Label 112: 0
- Combined Label: 1
- Label 101 Adjusted: 1

Dataset: test