PATENT CLAIM ANALYSIS

Application Number: 15968280
Application Type: Utility
Filing Date: 2018-05
Publication Date: 2018-08
Patent Classification: ["501", "078000"]

Abstract:
Provided is an optical glass suitable for an imaging lens or the like used for a vehicle-mounted camera exposed to harsh environment, having a high refractive index and high strength, excellent crack resistance, and a sufficiently low glass transition point and devitrification temperature. In the optical glass, nd is 1.70 or more and 2.10 or less, Tg is 500° C. or more and 630° C. or less, the devitrification temperature is 1300° C. or less, a specific gravity is 4.0 g/cm 3  or less, a crack initiation load (CIL) is 20 gf or more, and a fracture toughness value (Kc) is 0.60 MPa·m 1/2  or more.

Claim (Index 4):
The optical glass according to  claim 2 , further containing, in mass % based on oxides:\n La 2 O 3 : 0% to 15%; BaO: 0% to 4%, wherein Nb 2 O 5 \u2014(La 2 O 3 +BaO) is 10% to 75%.

Metadata:
- Claim Count in Document: 21.0
- Percentile: 93.0
- Lexical Diversity: 1.80597
- Patent Class: 501.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['12070157', '10744074', '13123512', '12553454', '11795297']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.8059623822238784
- 35 USC 102 Novelty (BERT): 0.5013557831880239
- Combined Prediction Score: 0.7755017223202929
- Mean Citation Score: 269.643588
- Max Citation Score: 272.65128
- Similarity Product: 189.8980258965969

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

Dataset: test