PATENT CLAIM ANALYSIS

Application Number: 16327972
Application Type: Utility
Filing Date: 2019-02
Publication Date: 2019-06
Patent Classification: ["552", "508000"]

Abstract:
The present invention discloses a process for the preparation of pregnadiene derivatives having formula I, their stereoisomer and intermediate thereof. Formula I wherein each substituent is independently, R 1  and R 2  is hydrogen or C 1 -C 8  straight, branched alkyl chain, saturated or unsaturated cycloalkyl; R 3  is hydrogen or wherein R 5  represents C 1 -C 8  straight, branched alkyl chain or cycloalkyl; R 4  is hydrogen or halogen; R 6  is hydrogen or halogen;

Claim (Index 9):
The process as claimed in  claim 1 , wherein the debromination is carried out presence in of a catalyst selected from the group comprising chromous or chromium sulfate, chromous or chromium chloride or its hydrate, preferably chromium chloride hexahydrate, a thiol compound of the formula Rt-SH (Formula VIII) wherein Rt is \u2014CH2COOH or \u2014CH2CH2COOH, preferably thioglycolic (thiovanic) acid wherein Rt is \u2014CH2COOH and an aprotic solvent selected from the group comprising DMF, DMAC, acetone, methylene chloride, THF, acetonitrile, DMSO and mixtures thereof and alcoholic solvents selected from the group selected from methanol, ethanol, isopropanol and butanol, preferably DMF and DMSO.

Metadata:
- Claim Count in Document: 17.0
- Percentile: 99.0
- Lexical Diversity: 1.76
- Patent Class: 552.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['15543862', '12061499', '14354478', '12666423', '15548713']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.6370532797879289
- 35 USC 102 Novelty (BERT): 0.5759344719240056
- Combined Prediction Score: 0.6309413990015366
- Mean Citation Score: 223.41237400000003
- Max Citation Score: 277.79678
- Similarity Product: 228.71244131962777

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