PATENT CLAIM ANALYSIS

Application Number: 16075894
Application Type: Utility
Filing Date: 2018-08
Publication Date: 2019-03
Patent Classification: ["166", "292000"]

Abstract:
A well cementing composition that includes water, portland cement, a retarder and colloidal amorphous silica, present at a concentration between 0.2% and 1.0% by weight of cement. When added at such concentrations, the colloidal amorphous silica behaves as a retarder aid at bottomhole circulating temperatures exceeding 100° C. Methods for employing these compositions in well cementing operations are also disclosed.

Claim (Index 3):
The composition of  claim 1 , wherein the retarder comprises one or more members selected from the group consisting of sodium glucoheptonate, lignin amine, sodium pentaborate, potassium pentaborate, calcium lignosulfonate, calcium gluconate an organophosphonate, calcium glucoheptonate, sodium lignosulfonate, sodium gluconate, sodium tartrate and tartaric acid.

Metadata:
- Claim Count in Document: 4.0
- Percentile: 96.0
- Lexical Diversity: 1.33333
- Patent Class: 166.0
- Transitional Phrase Type: closed
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['13881709', '12632407', '10570377', '12091515', '12938429']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.8464635699670386
- 35 USC 102 Novelty (BERT): 0.5126460272898401
- Combined Prediction Score: 0.8130818156993188
- Mean Citation Score: 298.5800040000001
- Max Citation Score: 349.8513
- Similarity Product: 287.1738182276487

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