PATENT CLAIM ANALYSIS

Application Number: 16068575
Application Type: Utility
Filing Date: 2018-07
Publication Date: 2019-01
Patent Classification: ["562", "059000"]

Abstract:
The present invention relates to process for preparation of Isosulfan blue (Formula I) substantially free from desethyl impurity.

Claim (Index 2):
An improved process for preparation of Isosulfan blue having Formula I, substantially free of desethyl impurity, wherein the process comprises steps of: a) oxidizing isoleuco acid by an oxidizing agent in a solvent; b) treating isosulfan blue of step (a) with water and hydrochloric acid to provide isosulfan blue hydrochloric acid salt; c) treating Isosulfan blue hydrochloric acid salt of step (b) with water and an inorganic salt to provide crude isosulfan blue; d) treating crude isosulfan blue of step (c) with water and an inorganic or an organic salt.

Metadata:
- Claim Count in Document: 1.0
- Percentile: 95.0
- Lexical Diversity: 1.0
- Patent Class: 562.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['13951034', '12180057', '13310019', '13816376', '14773397']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7066173089895816
- 35 USC 102 Novelty (BERT): 0.5358097891898361
- Combined Prediction Score: 0.6895365570096071
- Mean Citation Score: 279.99667800000003
- Max Citation Score: 333.0974
- Similarity Product: 245.53082054362287

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