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 5):
The method according to  claim 1 , wherein an upper wall of said vent chamber is provided with a vessel for receiving a refluxing liquid that falls down along said upper wall, said vessel being partitioned from said first screw conveyer passage.

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): 0.6613664527792917
- 35 USC 102 Novelty (BERT): 0.5380551313003155
- Combined Prediction Score: 0.6490353206313941
- Mean Citation Score: 169.03554200000005
- Max Citation Score: 345.6386
- Similarity Product: 248.9516853190422

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