PATENT CLAIM ANALYSIS

Application Number: 16256532
Application Type: Utility
Filing Date: 2019-01
Publication Date: 2019-07
Patent Classification: ["106", "799000"]

Abstract:
This document relates to settable, hydraulic, non-Portland foamed cement compositions comprising nitrogen gas-generating compositions used for loss circulation control.

Claim (Index 1):
A cementitious composition comprising:\n calcium aluminate comprising greater than or about 68.5% alumina and less than or about 31% calcium oxide; a nitrogen gas-generating compound in an amount of about 1% to about 10% by weight of the calcium aluminate, the nitrogen gas-generating compound comprising an azo compound; an amine activator to accelerate generation of gas from the nitrogen gas-generating compound, the amine activator comprising an ethyleneamine, wherein a weight ratio of the azo compound to the amine activator is about 5:1 to about 1:5; and a foam surfactant.

Metadata:
- Claim Count in Document: 9.0
- Percentile: 99.0
- Lexical Diversity: 1.1
- Patent Class: 106.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['15879179', '16256466', '16171133', '16148155', '16137911']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.6922677724795435
- 35 USC 102 Novelty (BERT): 0.5248130874057175
- Combined Prediction Score: 0.675522303972161
- Mean Citation Score: 320.187316
- Max Citation Score: 347.04553
- Similarity Product: 317.22548324178337

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