PATENT CLAIM ANALYSIS

Application Number: 15749377
Application Type: Utility
Filing Date: 2018-01
Publication Date: 2018-08
Patent Classification: ["546", "152000"]

Abstract:
Production of pitavastatin calcium safely on an industrial scale with a high yield and high selectivity at low cost. A method of producing pitavastatin calcium including step (i) for acetalizing a compound represented by the formula (1) to give a compound represented by the formula (3), step (ii) for reacting a compound represented by the formula (3) with an acid to give a compound represented by the formula (4), and step (iii) for hydrolyzing a compound represented by the formula (4) and reacting same with a calcium compound.

Claim (Index 5):
A compound represented by the following formula (1\u2032): wherein R is a straight chain alkyl group having a carbon number of 1-8 or a branched alkyl group having a carbon number of 3-8 and X 1  is methanesulfonic acid.

Metadata:
- Claim Count in Document: 9.0
- Percentile: 86.0
- Lexical Diversity: 2.34783
- Patent Class: 546.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['15600196', '11666905', '15116861', '10553394', '13510375']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7933693186690518
- 35 USC 102 Novelty (BERT): 0.5048130247282275
- Combined Prediction Score: 0.7645136892749694
- Mean Citation Score: 246.087964
- Max Citation Score: 269.67303
- Similarity Product: 191.6207873889292

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