PATENT CLAIM ANALYSIS

Application Number: 15746144
Application Type: Utility
Filing Date: 2018-01
Publication Date: 2018-07
Patent Classification: ["508", "403000"]

Abstract:
The invention is directed to a zinc-free lubricating composition for an internal combustion engine containing a phosphorus anti-wear agent, an ashless antioxidant, and a metal-free basic detergent. The lubricating composition provides wear protection, deposit control, and improved acid control with reduced levels of metal-containing additives.

Claim (Index 1):
A zinc-free lubricating composition comprising (a) an oil of lubricating viscosity, (b) a zinc-free phosphorus-containing antiwear agent, (c) at least one ashless detergent comprising a basic quaternary pnictogen salt, and (d) an ashless antioxidant, wherein the ashless detergent has a total base number (D2896) of at least about 25 mg KOH/g and a total acid number (TAN) of less than about 5 mg KOH/g as measured by ASTM D664.

Metadata:
- Claim Count in Document: 35.0
- Percentile: 86.0
- Lexical Diversity: 1.30769
- Patent Class: 508.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['12584244', '15409503', '15147375', '15147404', '14277124']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.8359725077882704
- 35 USC 102 Novelty (BERT): 0.5702687181034254
- Combined Prediction Score: 0.8094021288197858
- Mean Citation Score: 319.780678
- Max Citation Score: 325.3975200000001
- Similarity Product: 214.5985598443652

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