PATENT CLAIM ANALYSIS

Application Number: 16512005
Application Type: Utility
Filing Date: 2019-07
Publication Date: 2019-11
Patent Classification: ["508", "200000"]

Abstract:
A method for preventing or reducing engine knock or pre-ignition in a high compression spark ignition engine lubricated with a lubricating oil by introducing to a combustion chamber of the engine from 0.1 to 5% by volume of the gasoline used a lubricating oil as a formulated oil, said formulated oil having a composition comprising (i) a major amount of a lubricating oil base stock comprising at least 80% by weight of one branched ester having at least 15% of the total carbons in the form of methyl groups, and (ii) a minor amount of at least one ashless amine phosphate antiwear additive. Also provided is a lubricating engine oil for high compression spark ignition engines including (i) a major amount of a lubricating oil base stock comprising at least 80% by weight formula I below: esterified (per —OH basis) with 25 to 100% isobutyric acid and 0 to 75% 3,5,5-trimethylhexanoic acid, wherein R is a H, methyl, ethyl, isopropyl, or isobutyl, and (ii) a minor amount of at least one amine phosphate ashless antiwear additive.

Claim (Index 4):
The method of  claim 1  wherein the formulated oil is an ashless formulated oil.

Metadata:
- Claim Count in Document: 68.0
- Percentile: 100.0
- Lexical Diversity: 2.13684
- Patent Class: 508.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: False
- Related Applications: ['15198242', '14835847', '15161718', '14681251', '15807946']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.8701625467558405
- 35 USC 102 Novelty (BERT): 0.6614387145260934
- Combined Prediction Score: 0.8492901635328658
- Mean Citation Score: 438.507828
- Max Citation Score: 542.58545
- Similarity Product: 536.760970278567

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