PATENT CLAIM ANALYSIS

Application Number: 16171414
Application Type: Utility
Filing Date: 2018-10
Publication Date: 2019-05
Patent Classification: ["166", "284000"]

Abstract:
A perforation ball sealer for temporarily plugging a perforation in an oil or gas well comprises a polymer foam core and a shell surrounding the core formed from a solid or essentially solid second polymer. Both the core and the shell are made from slowly water-soluble polymers.

Claim (Index 4):
The ball sealer of  claim 3 , wherein the slowly water-soluble polymer is at least one of polyvinyl alcohol (PVOH), polyglycolic acid (PGA), polytrimethylene terephthalate (PTT), polylactic acid (PLA), polybutylene succinate (PBS), polybutylene adipate terephthalate (PEAT), polybutylene adipate succinate (PBAS), polyvinyl acetate (PVA), polyethylene oxides (PEO), ethylene vinyl alcohol copolymers (EVOH), and naturally occurring polymers.

Metadata:
- Claim Count in Document: 10.0
- Percentile: 97.0
- Lexical Diversity: 1.44118
- Patent Class: 166.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: False
- Related Applications: ['11640813', '12103041', '14601051', '12252044', '14988421']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7821044244586343
- 35 USC 102 Novelty (BERT): 0.4627562687170086
- Combined Prediction Score: 0.7501696088844717
- Mean Citation Score: 154.766734
- Max Citation Score: 190.09334
- Similarity Product: 151.3587260439336

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

Dataset: test