PATENT CLAIM ANALYSIS

Application Number: 15779911
Application Type: Utility
Filing Date: 2018-05
Publication Date: 2018-12
Patent Classification: ["549", "274000"]

Abstract:
A method of recovering lactide which includes introducing a molten resin composition that contains a polylactic acid, a depolymerization catalyst and a carrier resin into a vent chamber ( 3 ) that is maintained under a reduced pressure using a first screw conveyer passage ( 11 ) that extends in the vent chamber ( 3 ), gasifying the lactide contained in the molten resin composition, and recovering a gaseous lactide from the vent chamber, wherein a second screw conveyer passage ( 60 ) is provided under the first screw conveyer passage ( 11 ) in the vent chamber ( 3 ) to recover the carrier resin.

Claim (Index 7):
The method according to  claim 1 , wherein said second screw conveyer passage is communicated with an extruder for discharging the carrier resin.

Metadata:
- Claim Count in Document: 17.0
- Percentile: 93.0
- Lexical Diversity: 2.13462
- Patent Class: 549.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['16070691', '10292496', '14534151', '13363216', '11579144']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.6613108130664919
- 35 USC 102 Novelty (BERT): 0.5376612563288127
- Combined Prediction Score: 0.648945857392724
- Mean Citation Score: 169.03554200000005
- Max Citation Score: 345.6386
- Similarity Product: 255.6602676150441

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