PATENT CLAIM ANALYSIS

Application Number: 15773503
Application Type: Utility
Filing Date: 2018-05
Publication Date: 2018-11
Patent Classification: ["560", "079000"]

Abstract:
A process for chemically recycling polyethylene terephthalate (PET) which utilizes a microwave absorber to optimize glycolytic depolymerization of PET via microwave irradiation. The method of chemically degrading PET to its reactive intermediate, bis(2-hydroxyethyl) terephthalate (BHET), is carried out by: (a) combining PET with ethylene glycol and a catalytic system comprising a catalyst and a microwave absorber to produce a heterogeneous reaction mixture; and then (b) heating by microwave irradiating the reaction mixture to a temperature sufficient to produce a reaction product comprising BHET. The BHET monomer then can be purified and re-polymerized to form new, virgin PET.

Claim (Index 17):
The method of  claim 1 , wherein: the catalyst is included in the reaction mixture in an amount of from 0.01, 0.02, 0.1 or 0.2 grams per liter of ethylene glycol, up to 5, 10, 50 or 100 grams per liter of ethylene glycol; the microwave absorber is included in the reaction mixture in an amount of from 0.02, 0.04, 0.2, or 0.4 grams per liter of ethylene glycol, up to 40, 100, or 400 grams per liter of ethylene glycol; and the PET is included in the reaction mixture in an amount of from 10 or 50 grams per liter of ethylene glycol, up to 250 or 300 grams per liter of ethylene glycol.

Metadata:
- Claim Count in Document: 39.0
- Percentile: 93.0
- Lexical Diversity: 1.70588
- Patent Class: 560.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: False
- Related Applications: ['13040550', '14932864', '14054425', '10491783', '15310458']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7282827853449343
- 35 USC 102 Novelty (BERT): 0.5345697171089997
- Combined Prediction Score: 0.7089114785213408
- Mean Citation Score: 225.979656
- Max Citation Score: 241.40872
- Similarity Product: 156.2973922119045

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