PATENT CLAIM ANALYSIS

Application Number: 15767711
Application Type: Utility
Filing Date: 2018-04
Publication Date: 2018-10
Patent Classification: ["585", "435000"]

Abstract:
The invention relates to a process for the preparation of styrene or substituted styrenes comprising the steps of: (a) subjecting a feed containing 1-phenyl ethanol or substituted 1-phenyl ethanol to a dehydration treatment in the presence of a suitable dehydration catalyst; (b) subjecting the resulting product mixture to a separation treatment, thus obtaining a stream containing water and styrene or substituted styrene and a residual fraction containing heavy ends; (c) treating the stream containing water and styrene or substituted styrene with a base; (d) separating the treated stream of step (c) into a styrene or substituted styrene-rich product stream and a styrene or substituted styrene-lean waste water stream; (e) treating the styrene or substituted styrene-lean waste water stream with steam in a stripping column, thus obtaining a treated waste water stream and a treated stream comprising steam and styrene or substituted styrene.

Claim (Index 10):
The process according to  claim 9 , wherein some or all of the treated stream comprising steam and styrene or substituted styrene from step (e) undergoes further treatment prior to being recycled to step (d).

Metadata:
- Claim Count in Document: 4.0
- Percentile: 91.0
- Lexical Diversity: 2.57143
- Patent Class: 585.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['10648072', '11938577', '15140049', '12903784', '10409489']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.6804094369944107
- 35 USC 102 Novelty (BERT): 0.4930887411934274
- Combined Prediction Score: 0.6616773674143124
- Mean Citation Score: 187.101646
- Max Citation Score: 202.6801
- Similarity Product: 146.85428436834812

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

Dataset: test