PATENT CLAIM ANALYSIS

Application Number: 16075929
Application Type: Utility
Filing Date: 2018-08
Publication Date: 2019-02
Patent Classification: ["562", "497000"]

Abstract:
Provided is a method for extracting a 1,5-pentanediamine from a solution system containing a 1,5-pentanediamine salt. The method comprises adding to the solution system an insoluble basic substance to form a solution system containing free 1,5-pentanediamine. The provided method has high applicability, is easy to use, and is environmentally-friendly, significantly lowering raw material costs and operating costs for the entire manufacturing process. The method achieves a high recovery rate for pentanediamine, and is more suitable for industrial-scale production.

Claim (Index 16):
The method according to  claim 14 , wherein said solution system containing 1,5-pentanediamine salt further comprises hydrochloride and/or dicarboxylate of 1,5-pentanediamine.

Metadata:
- Claim Count in Document: 26.0
- Percentile: 96.0
- Lexical Diversity: 1.72
- Patent Class: 562.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['15548585', '15537168', '15418052', '14764109', '15901475']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.71254696929599
- 35 USC 102 Novelty (BERT): 0.5078934394551581
- Combined Prediction Score: 0.6920816163119069
- Mean Citation Score: 200.085344
- Max Citation Score: 229.0056
- Similarity Product: 150.1340947382927

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