PATENT CLAIM ANALYSIS

Application Number: 16065671
Application Type: Utility
Filing Date: 2018-07
Publication Date: 2018-12
Patent Classification: ["210", "500420"]

Abstract:
The invention provides a porous membrane comprising polyvinyl chloride (PVC) and at least one inorganic filler embedded in the porous membrane wherein the inorganic filler comprises sulfuric acid precipitated silica. The invention further provides a process for the production of said porous membrane.

Claim (Index 12):
A method for manufacturing a porous membrane comprising:\n formation of a powder blend comprising PVC and at least one inorganic filler having pores; addition of a first solvent so that the first solvent is absorbed in the pores of the inorganic filler, said first solvent is chosen from the group of ketones; addition of a second solvent so as to displace the first solvent from the pores of the inorganic filler, said second solvent is water; extruding and/or calendaring said powder thereby obtaining a raw membrane; liquid phase extraction of the solvents in order to form a porous membrane; and optional deformation of at least one surface of the membrane so as to obtain a corrugated or ribbed membrane; wherein the inorganic filler comprises sulfuric acid precipitated silica and the thermoplastic polymer material is polyvinyl chloride (PVC) having a viscosity of at least 60, measured according to ISO 1628-2, and wherein said porous membrane is devoid of any oils and/or plasticizers.

Metadata:
- Claim Count in Document: 18.0
- Percentile: 95.0
- Lexical Diversity: 1.38235
- Patent Class: 210.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['15286032', '11177195', '10508643', '12020826', '12020937']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.781021177256613
- 35 USC 102 Novelty (BERT): 0.4536145566068143
- Combined Prediction Score: 0.7482805151916331
- Mean Citation Score: 154.80843399999995
- Max Citation Score: 174.8448
- Similarity Product: 152.12409570064546

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