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 30):
The method of  claim 26 , wherein the compound of Formula IV is prepared by a method comprising the following reactions: wherein 1) the compound of Formula B is reacted first with an aqueous cyanate solution, then reacted with an aqueous inorganic base solution; and 2) the pH value of the aqueous solution of the product in 1) is adjusted to 5\u02dc6 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: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['16070658', '15181348', '11920078', '13059333', '11873671']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7615952749181998
- 35 USC 102 Novelty (BERT): 0.4902213211680296
- Combined Prediction Score: 0.7344578795431828
- Mean Citation Score: 227.750204
- Max Citation Score: 238.44398
- Similarity Product: 175.90667249153495

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