PATENT CLAIM ANALYSIS

Application Number: 15990000
Application Type: Utility
Filing Date: 2018-05
Publication Date: 2018-12
Patent Classification: ["438", "757000"]

Abstract:
Described herein is an etching solution comprising water, phosphoric acid solution (aqueous), and a hydroxyl group-containing solvent. Such compositions are useful for the selective removal of silicon nitride over silicon oxide from a microelectronic device having such material(s) thereon during its manufacture.

Claim (Index 20):
The method of  claim 18  wherein the hydroxyl group-containing solvent is the glycol and is selected from the group consisting of ethylene glycol, propylene glycol, diethylene glycol, dipropylene glycol, triethylene glycol and tetraethyleneglycol.

Metadata:
- Claim Count in Document: 74.0
- Percentile: 93.0
- Lexical Diversity: 1.15909
- Patent Class: 438.0
- Transitional Phrase Type: closed
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['15386178', '12520138', '14331958', '15743529', '14880698']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.8957174534187919
- 35 USC 102 Novelty (BERT): 0.5036176443065309
- Combined Prediction Score: 0.8565074725075659
- Mean Citation Score: 260.935484
- Max Citation Score: 284.91214
- Similarity Product: 223.7132160587001

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

Dataset: test