PATENT CLAIM ANALYSIS

Application Number: 16089486
Application Type: Utility
Filing Date: 2018-09
Publication Date: 2019-04
Patent Classification: ["544", "284000"]

Abstract:
This disclosure provides a process for preparing 1-(arylmethyl)quinazoline-2,4(1H,3H)-diones, specially provides a method for preparing the compound of Formula I, and the method comprises the step of reacting the compound of Formula II with the compound of Formula A in the presence of a condensation agent, an organic base and an organic solvent by condensation.

Claim (Index 23):
The method of  claim 22 , wherein after stirring with water and filtering, the obtained, filter cake is slurried with pure water again, with a volume ratio of pure water to the reaction product I not greater than 10, at 15\u02dc25\u00b0 C. for 4\u02dc6 hours, filtered, and the filter cake is washed with pure water and dried under vacuum to provide a purified compound of Formula I.

Metadata:
- Claim Count in Document: 17.0
- Percentile: 97.0
- Lexical Diversity: 1.69231
- Patent Class: 544.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['16070658', '15181348', '11920078', '13059333', '11873671']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.781549901471287
- 35 USC 102 Novelty (BERT): 0.4986182793027902
- Combined Prediction Score: 0.7532567392544374
- Mean Citation Score: 227.750204
- Max Citation Score: 238.44398
- Similarity Product: 161.87863818719023

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