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 33):
The method of  claim 30 , wherein 2) comprises one or more of the following features:\n the product obtained from 1) is added to water, and the mixture is heated to 85\u02dc95\u00b0 C. and stirred at this temperature for 1.5\u02dc3 hours to provide an aqueous solution of the reaction product; the product from 1) is dissolved in water, wherein the volume ratio of water to the compound of Formula B is 25\u02dc35; and the pH value of the reaction liquid is adjusted to 5\u02dc6 with acetic acid, and the mixture is stirred at 85\u02dc95\u00b0 C. for 1\u02dc3 hours, then the reaction liquid is cooled to 0\u02dc5\u00b0 C., stirred for 2\u02dc4 hours, and filtered to provide the compound of Formula IV.

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): 0.7821776399724715
- 35 USC 102 Novelty (BERT): 0.494613987214392
- Combined Prediction Score: 0.7534212746966635
- Mean Citation Score: 227.750204
- Max Citation Score: 238.44398
- Similarity Product: 171.08721561919452

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