PATENT CLAIM ANALYSIS

Application Number: 15771449
Application Type: Utility
Filing Date: 2018-04
Publication Date: 2018-11
Patent Classification: ["548", "232000"]

Abstract:
The invention relates to a method for preparing an oxazolidinone intermediate. Specifically, a synthesis procedure for the intermediate comprises: directly performing a “one-pot” reaction on a compound I, compound J or compound L without performing isolation, wherein a salt of a compound K is selected from a hydrochloride, sulfate, malate, tartrate, p-toluenesulfonate, or lactate, and wherein the symbol * in a compound indicates an atom of an R-type chirality or an S-type chirality or a racemate thereof.

Claim (Index 6):
The method according to  claim 3 , wherein the base used in step 4 is selected from the group consisting of potassium carbonate, sodium carbonate, cesium carbonate, cesium fluoride, potassium acetate, sodium hydroxide, potassium hydroxide, potassium phosphate or sodium phosphate.

Metadata:
- Claim Count in Document: 7.0
- Percentile: 91.0
- Lexical Diversity: 1.59649
- Patent Class: 548.0
- Transitional Phrase Type: closed
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['13806378', '15772521', '14436566', '16087308', '14683726']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7542598560524081
- 35 USC 102 Novelty (BERT): 0.5148324727823979
- Combined Prediction Score: 0.7303171177254071
- Mean Citation Score: 270.03664
- Max Citation Score: 286.33313
- Similarity Product: 204.095378204884

Labels:
- Claim Label 101: 1
- Claim Label 102: 1
- Claim Label 103: 1
- Claim Label 112: 0
- Combined Label: 1
- Label 101 Adjusted: 1

Dataset: test