PATENT CLAIM ANALYSIS

Application Number: 15769661
Application Type: Utility
Filing Date: 2018-10
Publication Date: 2018-10
Patent Classification: ["546", "230000"]

Abstract:
A new process for the preparation of fexofenadine and of related intermediates, which can be used in the preparation of fexofenadine, is provided.

Claim (Index 1):
A process for preparing a compound of formula II wherein R1 is CN, CONH2, or COOR2, wherein R2 is C1-4 alkyl, comprising reacting a compound of formula V wherein R1 is CN, CONH2 or COOR2, wherein R2 is C1-4 alkyl, with the compound of formula IV at a temperature above 80\u00b0 C. without any solvent or in the presence of an amount of solvent up to 50 wt % of the sum of the weights of compounds V and IV, and in the presence of a salt added to the reaction mixture, wherein the salt is a lithium, sodium, potassium, rubidium, caesium, magnesium, calcium, strontium, barium, scandium, manganese, iron, cooper, zinc, silver, boron, aluminium, gallium, indium, cerium, europium, ytterbium or bismuth salt.

Metadata:
- Claim Count in Document: 20.0
- Percentile: 97.0
- Lexical Diversity: 1.3
- Patent Class: 546.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['15544493', '13321754', '10333974', '13994204', '10471900']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7586866677734079
- 35 USC 102 Novelty (BERT): 0.5055497844156613
- Combined Prediction Score: 0.7333729794376332
- Mean Citation Score: 210.751344
- Max Citation Score: 274.22467
- Similarity Product: 190.0512024325604

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

Dataset: test