PATENT CLAIM ANALYSIS

Application Number: 16070691
Application Type: Utility
Filing Date: 2018-07
Publication Date: 2019-01
Patent Classification: ["549", "274000"]

Abstract:
A method of recovering lactide which includes throwing a polylactic acid and a depolymerization catalyst into an extruder ( 1 ) communicated with a vent chamber ( 3 ) maintained under a reduced pressure, melt-kneading the polylactic acid and the depolymerization catalyst together in the extruder ( 1 ), feeding the melt-kneaded product thereof into the vent chamber ( 3 ), depolymerizing the polylactic acid in the vent chamber ( 3 ), gasifying the formed lactide and recovering the gasified lactide from the vent chamber ( 3 ).

Claim (Index 1):
A method of recovering lactide comprising throwing a polylactic acid and a depolymerization catalyst into an extruder, melt-kneading the polylactic acid and the depolymerization catalyst together in said extruder, feeding said melt-kneaded product thereof from said extruder into a vent chamber maintained under a reduced pressure, depolymerizing the polylactic acid in said vent chamber, gasifying the formed lactide therein, and recovering the gasified lactide from said vent chamber.

Metadata:
- Claim Count in Document: 170.0
- Percentile: 95.0
- Lexical Diversity: 2.11364
- Patent Class: 549.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['15779911', '14534151', '11579144', '13985770', '13144323']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.6917085838027914
- 35 USC 102 Novelty (BERT): 0.5327293721582539
- Combined Prediction Score: 0.6758106626383377
- Mean Citation Score: 202.53337600000003
- Max Citation Score: 364.36072
- Similarity Product: 310.7645279937458

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

Dataset: test